diff --git a/Documentation/admin-guide/kernel-parameters.txt 
b/Documentation/admin-guide/kernel-parameters.txt
index 92eb1f42240d..fa4eec22816d 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1063,7 +1063,7 @@
                        earlyprintk=serial[,0x...[,baudrate]]
                        earlyprintk=ttySn[,baudrate]
                        earlyprintk=dbgp[debugController#]
-                       earlyprintk=pciserial,bus:device.function[,baudrate]
+                       
earlyprintk=pciserial[,force],bus:device.function[,baudrate]
                        earlyprintk=xdbc[xhciController#]
 
                        earlyprintk is useful when the kernel crashes before
@@ -1095,6 +1095,10 @@
 
                        The sclp output can only be used on s390.
 
+                       The optional "force" to "pciserial" enables use of a
+                       PCI device even when its classcode is not of the
+                       UART class.
+
        edac_report=    [HW,EDAC] Control how to report EDAC event
                        Format: {"on" | "off" | "force"}
                        on: enable EDAC to report H/W event. May be overridden
@@ -4683,6 +4687,8 @@
                                        prevent spurious wakeup);
                                n = USB_QUIRK_DELAY_CTRL_MSG (Device needs a
                                        pause after every control message);
+                               o = USB_QUIRK_HUB_SLOW_RESET (Hub needs extra
+                                       delay after resetting its port);
                        Example: quirks=0781:5580:bk,0a5c:5834:gij
 
        usbhid.mousepoll=
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index 5432a96d31ff..05ef53d83a41 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -4,8 +4,9 @@ Virtual memory map with 4 level page tables:
 0000000000000000 - 00007fffffffffff (=47 bits) user space, different per mm
 hole caused by [47:63] sign extension
 ffff800000000000 - ffff87ffffffffff (=43 bits) guard hole, reserved for 
hypervisor
-ffff880000000000 - ffffc7ffffffffff (=64 TB) direct mapping of all phys. memory
-ffffc80000000000 - ffffc8ffffffffff (=40 bits) hole
+ffff880000000000 - ffff887fffffffff (=39 bits) LDT remap for PTI
+ffff888000000000 - ffffc87fffffffff (=64 TB) direct mapping of all phys. memory
+ffffc88000000000 - ffffc8ffffffffff (=39 bits) hole
 ffffc90000000000 - ffffe8ffffffffff (=45 bits) vmalloc/ioremap space
 ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole
 ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB)
@@ -30,8 +31,9 @@ Virtual memory map with 5 level page tables:
 0000000000000000 - 00ffffffffffffff (=56 bits) user space, different per mm
 hole caused by [56:63] sign extension
 ff00000000000000 - ff0fffffffffffff (=52 bits) guard hole, reserved for 
hypervisor
-ff10000000000000 - ff8fffffffffffff (=55 bits) direct mapping of all phys. 
memory
-ff90000000000000 - ff9fffffffffffff (=52 bits) LDT remap for PTI
+ff10000000000000 - ff10ffffffffffff (=48 bits) LDT remap for PTI
+ff11000000000000 - ff90ffffffffffff (=55 bits) direct mapping of all phys. 
memory
+ff91000000000000 - ff9fffffffffffff (=3840 TB) hole
 ffa0000000000000 - ffd1ffffffffffff (=54 bits) vmalloc/ioremap space (12800 TB)
 ffd2000000000000 - ffd3ffffffffffff (=49 bits) hole
 ffd4000000000000 - ffd5ffffffffffff (=49 bits) virtual memory map (512TB)
diff --git a/Makefile b/Makefile
index 1f3c7adeea63..a07830185bdf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 4
+SUBLEVEL = 5
 EXTRAVERSION =
 NAME = "People's Front"
 
diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
index cdb90bee7b4a..f202396e3f2a 100644
--- a/arch/arm/boot/dts/imx53-ppd.dts
+++ b/arch/arm/boot/dts/imx53-ppd.dts
@@ -55,7 +55,7 @@
        };
 
        chosen {
-               stdout-path = "&uart1:115200n8";
+               stdout-path = "serial0:115200n8";
        };
 
        memory@70000000 {
diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi
index 000e6136a9d6..3e6ffaf5f104 100644
--- a/arch/arm/boot/dts/imx6sll.dtsi
+++ b/arch/arm/boot/dts/imx6sll.dtsi
@@ -709,7 +709,7 @@
                        i2c1: i2c@21a0000 {
                                #address-cells = <1>;
                                #size-cells = <0>;
-                               compatible = "fs,imx6sll-i2c", "fsl,imx21-i2c";
+                               compatible = "fsl,imx6sll-i2c", "fsl,imx21-i2c";
                                reg = <0x021a0000 0x4000>;
                                interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&clks IMX6SLL_CLK_I2C1>;
diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts 
b/arch/arm/boot/dts/vf610m4-colibri.dts
index 41ec66a96990..ca6249558760 100644
--- a/arch/arm/boot/dts/vf610m4-colibri.dts
+++ b/arch/arm/boot/dts/vf610m4-colibri.dts
@@ -50,8 +50,8 @@
        compatible = "fsl,vf610m4";
 
        chosen {
-               bootargs = "console=ttyLP2,115200 clk_ignore_unused 
init=/linuxrc rw";
-               stdout-path = "&uart2";
+               bootargs = "clk_ignore_unused init=/linuxrc rw";
+               stdout-path = "serial2:115200";
        };
 
        memory@8c000000 {
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi 
b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index fb9d08ad7659..c87eed77de2c 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -662,7 +662,7 @@
                        clock-names = "fck", "brg_int", "scif_clk";
                        dmas = <&dmac1 0x35>, <&dmac1 0x34>,
                               <&dmac2 0x35>, <&dmac2 0x34>;
-                       dma-names = "tx", "rx";
+                       dma-names = "tx", "rx", "tx", "rx";
                        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
                        resets = <&cpg 518>;
                        status = "disabled";
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts 
b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index 9f25c407dfd7..e830b6162375 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -15,7 +15,7 @@
 
        aliases {
                serial0 = &scif0;
-               ethernet0 = &avb;
+               ethernet0 = &gether;
        };
 
        chosen {
@@ -47,23 +47,6 @@
        };
 };
 
-&avb {
-       pinctrl-0 = <&avb_pins>;
-       pinctrl-names = "default";
-
-       phy-mode = "rgmii-id";
-       phy-handle = <&phy0>;
-       renesas,no-ether-link;
-       status = "okay";
-
-       phy0: ethernet-phy@0 {
-               rxc-skew-ps = <1500>;
-               reg = <0>;
-               interrupt-parent = <&gpio1>;
-               interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
-       };
-};
-
 &canfd {
        pinctrl-0 = <&canfd0_pins>;
        pinctrl-names = "default";
@@ -82,6 +65,23 @@
        clock-frequency = <32768>;
 };
 
+&gether {
+       pinctrl-0 = <&gether_pins>;
+       pinctrl-names = "default";
+
+       phy-mode = "rgmii-id";
+       phy-handle = <&phy0>;
+       renesas,no-ether-link;
+       status = "okay";
+
+       phy0: ethernet-phy@0 {
+               rxc-skew-ps = <1500>;
+               reg = <0>;
+               interrupt-parent = <&gpio4>;
+               interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+       };
+};
+
 &i2c0 {
        pinctrl-0 = <&i2c0_pins>;
        pinctrl-names = "default";
@@ -118,16 +118,17 @@
 };
 
 &pfc {
-       avb_pins: avb {
-               groups = "avb_mdio", "avb_rgmii";
-               function = "avb";
-       };
-
        canfd0_pins: canfd0 {
                groups = "canfd0_data_a";
                function = "canfd0";
        };
 
+       gether_pins: gether {
+               groups = "gether_mdio_a", "gether_rgmii",
+                        "gether_txcrefclk", "gether_txcrefclk_mega";
+               function = "gether";
+       };
+
        i2c0_pins: i2c0 {
                groups = "i2c0";
                function = "i2c0";
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 9234013e759e..21a81b59a0cc 100644
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -96,6 +96,7 @@ static inline unsigned long __percpu_##op(void *ptr,          
        \
                : [val] "Ir" (val));                                    \
                break;                                                  \
        default:                                                        \
+               ret = 0;                                                \
                BUILD_BUG();                                            \
        }                                                               \
                                                                        \
@@ -125,6 +126,7 @@ static inline unsigned long __percpu_read(void *ptr, int 
size)
                ret = READ_ONCE(*(u64 *)ptr);
                break;
        default:
+               ret = 0;
                BUILD_BUG();
        }
 
@@ -194,6 +196,7 @@ static inline unsigned long __percpu_xchg(void *ptr, 
unsigned long val,
                : [val] "r" (val));
                break;
        default:
+               ret = 0;
                BUILD_BUG();
        }
 
diff --git a/arch/arm64/kernel/probes/kprobes.c 
b/arch/arm64/kernel/probes/kprobes.c
index e78c3ef04d95..b5a367d4bba6 100644
--- a/arch/arm64/kernel/probes/kprobes.c
+++ b/arch/arm64/kernel/probes/kprobes.c
@@ -23,7 +23,9 @@
 #include <linux/slab.h>
 #include <linux/stop_machine.h>
 #include <linux/sched/debug.h>
+#include <linux/set_memory.h>
 #include <linux/stringify.h>
+#include <linux/vmalloc.h>
 #include <asm/traps.h>
 #include <asm/ptrace.h>
 #include <asm/cacheflush.h>
@@ -42,10 +44,21 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
 static void __kprobes
 post_kprobe_handler(struct kprobe_ctlblk *, struct pt_regs *);
 
+static int __kprobes patch_text(kprobe_opcode_t *addr, u32 opcode)
+{
+       void *addrs[1];
+       u32 insns[1];
+
+       addrs[0] = addr;
+       insns[0] = opcode;
+
+       return aarch64_insn_patch_text(addrs, insns, 1);
+}
+
 static void __kprobes arch_prepare_ss_slot(struct kprobe *p)
 {
        /* prepare insn slot */
-       p->ainsn.api.insn[0] = cpu_to_le32(p->opcode);
+       patch_text(p->ainsn.api.insn, p->opcode);
 
        flush_icache_range((uintptr_t) (p->ainsn.api.insn),
                           (uintptr_t) (p->ainsn.api.insn) +
@@ -118,15 +131,15 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
        return 0;
 }
 
-static int __kprobes patch_text(kprobe_opcode_t *addr, u32 opcode)
+void *alloc_insn_page(void)
 {
-       void *addrs[1];
-       u32 insns[1];
+       void *page;
 
-       addrs[0] = (void *)addr;
-       insns[0] = (u32)opcode;
+       page = vmalloc_exec(PAGE_SIZE);
+       if (page)
+               set_memory_ro((unsigned long)page, 1);
 
-       return aarch64_insn_patch_text(addrs, insns, 1);
+       return page;
 }
 
 /* arm kprobe: install breakpoint in text */
diff --git a/arch/mips/configs/cavium_octeon_defconfig 
b/arch/mips/configs/cavium_octeon_defconfig
index 490b12af103c..c52d0efacd14 100644
--- a/arch/mips/configs/cavium_octeon_defconfig
+++ b/arch/mips/configs/cavium_octeon_defconfig
@@ -140,6 +140,7 @@ CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_STAGING=y
 CONFIG_OCTEON_ETHERNET=y
+CONFIG_OCTEON_USB=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_RAS=y
 CONFIG_EXT4_FS=y
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index 473cfc84e412..8c3e3e3c8be1 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -400,13 +400,13 @@ extern unsigned long __must_check 
__asm_copy_from_user(void *to,
 static inline unsigned long
 raw_copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-       return __asm_copy_to_user(to, from, n);
+       return __asm_copy_from_user(to, from, n);
 }
 
 static inline unsigned long
 raw_copy_to_user(void __user *to, const void *from, unsigned long n)
 {
-       return __asm_copy_from_user(to, from, n);
+       return __asm_copy_to_user(to, from, n);
 }
 
 extern long strncpy_from_user(char *dest, const char __user *src, long count);
diff --git a/arch/s390/boot/compressed/Makefile 
b/arch/s390/boot/compressed/Makefile
index 04609478d18b..b375c6c5ae7b 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -20,7 +20,7 @@ KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)
 OBJECTS := $(addprefix $(obj)/,$(obj-y))
 
 LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a 
$(OBJECTS)
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a 
$(OBJECTS) FORCE
        $(call if_changed,ld)
 
 # extract required uncompressed vmlinux symbols and adjust them to reflect 
offsets inside vmlinux.bin
@@ -51,17 +51,17 @@ suffix-$(CONFIG_KERNEL_LZMA)  := .lzma
 suffix-$(CONFIG_KERNEL_LZO)  := .lzo
 suffix-$(CONFIG_KERNEL_XZ)  := .xz
 
-$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,gzip)
-$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,bzip2)
-$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,lz4)
-$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,lzma)
-$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,lzo)
-$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
        $(call if_changed,xzkern)
 
 LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
diff --git a/arch/s390/include/asm/mmu_context.h 
b/arch/s390/include/asm/mmu_context.h
index 0717ee76885d..f1ab9420ccfb 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -45,8 +45,6 @@ static inline int init_new_context(struct task_struct *tsk,
                mm->context.asce_limit = STACK_TOP_MAX;
                mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
                                   _ASCE_USER_BITS | _ASCE_TYPE_REGION3;
-               /* pgd_alloc() did not account this pud */
-               mm_inc_nr_puds(mm);
                break;
        case -PAGE_SIZE:
                /* forked 5-level task, set new asce with new_mm->pgd */
@@ -62,9 +60,6 @@ static inline int init_new_context(struct task_struct *tsk,
                /* forked 2-level compat task, set new asce with new mm->pgd */
                mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
                                   _ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
-               /* pgd_alloc() did not account this pmd */
-               mm_inc_nr_pmds(mm);
-               mm_inc_nr_puds(mm);
        }
        crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
        return 0;
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index f0f9bcf94c03..5ee733720a57 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -36,11 +36,11 @@ static inline void crst_table_init(unsigned long *crst, 
unsigned long entry)
 
 static inline unsigned long pgd_entry_type(struct mm_struct *mm)
 {
-       if (mm->context.asce_limit <= _REGION3_SIZE)
+       if (mm_pmd_folded(mm))
                return _SEGMENT_ENTRY_EMPTY;
-       if (mm->context.asce_limit <= _REGION2_SIZE)
+       if (mm_pud_folded(mm))
                return _REGION3_ENTRY_EMPTY;
-       if (mm->context.asce_limit <= _REGION1_SIZE)
+       if (mm_p4d_folded(mm))
                return _REGION2_ENTRY_EMPTY;
        return _REGION1_ENTRY_EMPTY;
 }
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 0e7cb0dc9c33..de05466ce50c 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -485,6 +485,24 @@ static inline int is_module_addr(void *addr)
                                   _REGION_ENTRY_PROTECT | \
                                   _REGION_ENTRY_NOEXEC)
 
+static inline bool mm_p4d_folded(struct mm_struct *mm)
+{
+       return mm->context.asce_limit <= _REGION1_SIZE;
+}
+#define mm_p4d_folded(mm) mm_p4d_folded(mm)
+
+static inline bool mm_pud_folded(struct mm_struct *mm)
+{
+       return mm->context.asce_limit <= _REGION2_SIZE;
+}
+#define mm_pud_folded(mm) mm_pud_folded(mm)
+
+static inline bool mm_pmd_folded(struct mm_struct *mm)
+{
+       return mm->context.asce_limit <= _REGION3_SIZE;
+}
+#define mm_pmd_folded(mm) mm_pmd_folded(mm)
+
 static inline int mm_has_pgste(struct mm_struct *mm)
 {
 #ifdef CONFIG_PGSTE
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 457b7ba0fbb6..b31c779cf581 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -136,7 +136,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, 
pgtable_t pte,
 static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
                                unsigned long address)
 {
-       if (tlb->mm->context.asce_limit <= _REGION3_SIZE)
+       if (mm_pmd_folded(tlb->mm))
                return;
        pgtable_pmd_page_dtor(virt_to_page(pmd));
        tlb_remove_table(tlb, pmd);
@@ -152,7 +152,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, 
pmd_t *pmd,
 static inline void p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
                                unsigned long address)
 {
-       if (tlb->mm->context.asce_limit <= _REGION1_SIZE)
+       if (mm_p4d_folded(tlb->mm))
                return;
        tlb_remove_table(tlb, p4d);
 }
@@ -167,7 +167,7 @@ static inline void p4d_free_tlb(struct mmu_gather *tlb, 
p4d_t *p4d,
 static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
                                unsigned long address)
 {
-       if (tlb->mm->context.asce_limit <= _REGION2_SIZE)
+       if (mm_pud_folded(tlb->mm))
                return;
        tlb_remove_table(tlb, pud);
 }
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index cc085e2d2ce9..74091fd3101e 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -373,7 +373,7 @@ static int __hw_perf_event_init(struct perf_event *event)
                return -ENOENT;
 
        if (ev > PERF_CPUM_CF_MAX_CTR)
-               return -EINVAL;
+               return -ENOENT;
 
        /* Obtain the counter set to which the specified counter belongs */
        set = get_counter_set(ev);
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index c5c856f320bc..04dd3e2c3bd9 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -36,7 +36,7 @@ UBSAN_SANITIZE := n
 $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
 
 # link rule for the .so file, .lds has to be first
-$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
+$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE
        $(call if_changed,vdso32ld)
 
 # strip rule for the .so file
@@ -45,12 +45,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
        $(call if_changed,objcopy)
 
 # assembly rules for the .S files
-$(obj-vdso32): %.o: %.S
+$(obj-vdso32): %.o: %.S FORCE
        $(call if_changed_dep,vdso32as)
 
 # actual build commands
 quiet_cmd_vdso32ld = VDSO32L $@
-      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@
 quiet_cmd_vdso32as = VDSO32A $@
       cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<
 
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 15b1ceafc4c1..ddebc26cd949 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -36,7 +36,7 @@ UBSAN_SANITIZE := n
 $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
 
 # link rule for the .so file, .lds has to be first
-$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64)
+$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) FORCE
        $(call if_changed,vdso64ld)
 
 # strip rule for the .so file
@@ -45,12 +45,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
        $(call if_changed,objcopy)
 
 # assembly rules for the .S files
-$(obj-vdso64): %.o: %.S
+$(obj-vdso64): %.o: %.S FORCE
        $(call if_changed_dep,vdso64as)
 
 # actual build commands
 quiet_cmd_vdso64ld = VDSO64L $@
-      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@
 quiet_cmd_vdso64as = VDSO64A $@
       cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
 
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 76d89ee8b428..814f26520aa2 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -101,6 +101,7 @@ int crst_table_upgrade(struct mm_struct *mm, unsigned long 
end)
                        mm->context.asce_limit = _REGION1_SIZE;
                        mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
                                _ASCE_USER_BITS | _ASCE_TYPE_REGION2;
+                       mm_inc_nr_puds(mm);
                } else {
                        crst_table_init(table, _REGION1_ENTRY_EMPTY);
                        pgd_populate(mm, (pgd_t *) table, (p4d_t *) pgd);
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index 5bd374491f94..6c151b42e65d 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -54,6 +54,7 @@ int __node_distance(int a, int b)
 {
        return mode->distance ? mode->distance(a, b) : 0;
 }
+EXPORT_SYMBOL(__node_distance);
 
 int numa_debug_enabled;
 
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index c94c3bd70ccd..df4a985716eb 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -610,6 +610,11 @@ int start_idle_thread(void *stack, jmp_buf *switch_buf)
                fatal_sigsegv();
        }
        longjmp(*switch_buf, 1);
+
+       /* unreachable */
+       printk(UM_KERN_ERR "impossible long jump!");
+       fatal_sigsegv();
+       return 0;
 }
 
 void initial_thread_cb_skas(void (*proc)(void *), void *arg)
diff --git a/arch/x86/include/asm/page_64_types.h 
b/arch/x86/include/asm/page_64_types.h
index 6afac386a434..b99d497e342d 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -33,12 +33,14 @@
 
 /*
  * Set __PAGE_OFFSET to the most negative possible address +
- * PGDIR_SIZE*16 (pgd slot 272).  The gap is to allow a space for a
- * hypervisor to fit.  Choosing 16 slots here is arbitrary, but it's
- * what Xen requires.
+ * PGDIR_SIZE*17 (pgd slot 273).
+ *
+ * The gap is to allow a space for LDT remap for PTI (1 pgd slot) and space for
+ * a hypervisor (16 slots). Choosing 16 slots for a hypervisor is arbitrary,
+ * but it's what Xen requires.
  */
-#define __PAGE_OFFSET_BASE_L5  _AC(0xff10000000000000, UL)
-#define __PAGE_OFFSET_BASE_L4  _AC(0xffff880000000000, UL)
+#define __PAGE_OFFSET_BASE_L5  _AC(0xff11000000000000, UL)
+#define __PAGE_OFFSET_BASE_L4  _AC(0xffff888000000000, UL)
 
 #ifdef CONFIG_DYNAMIC_MEMORY_LAYOUT
 #define __PAGE_OFFSET           page_offset_base
diff --git a/arch/x86/include/asm/pgtable_64_types.h 
b/arch/x86/include/asm/pgtable_64_types.h
index 04edd2d58211..84bd9bdc1987 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -111,9 +111,7 @@ extern unsigned int ptrs_per_p4d;
  */
 #define MAXMEM                 (1UL << MAX_PHYSMEM_BITS)
 
-#define LDT_PGD_ENTRY_L4       -3UL
-#define LDT_PGD_ENTRY_L5       -112UL
-#define LDT_PGD_ENTRY          (pgtable_l5_enabled() ? LDT_PGD_ENTRY_L5 : 
LDT_PGD_ENTRY_L4)
+#define LDT_PGD_ENTRY          -240UL
 #define LDT_BASE_ADDR          (LDT_PGD_ENTRY << PGDIR_SHIFT)
 #define LDT_END_ADDR           (LDT_BASE_ADDR + PGDIR_SIZE)
 
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 5e801c8c8ce7..374a52fa5296 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -213,8 +213,9 @@ static unsigned int mem32_serial_in(unsigned long addr, int 
offset)
  * early_pci_serial_init()
  *
  * This function is invoked when the early_printk param starts with "pciserial"
- * The rest of the param should be ",B:D.F,baud" where B, D & F describe the
- * location of a PCI device that must be a UART device.
+ * The rest of the param should be "[force],B:D.F,baud", where B, D & F 
describe
+ * the location of a PCI device that must be a UART device. "force" is optional
+ * and overrides the use of an UART device with a wrong PCI class code.
  */
 static __init void early_pci_serial_init(char *s)
 {
@@ -224,17 +225,23 @@ static __init void early_pci_serial_init(char *s)
        u32 classcode, bar0;
        u16 cmdreg;
        char *e;
+       int force = 0;
 
-
-       /*
-        * First, part the param to get the BDF values
-        */
        if (*s == ',')
                ++s;
 
        if (*s == 0)
                return;
 
+       /* Force the use of an UART device with wrong class code */
+       if (!strncmp(s, "force,", 6)) {
+               force = 1;
+               s += 6;
+       }
+
+       /*
+        * Part the param to get the BDF values
+        */
        bus = (u8)simple_strtoul(s, &e, 16);
        s = e;
        if (*s != ':')
@@ -253,7 +260,7 @@ static __init void early_pci_serial_init(char *s)
                s++;
 
        /*
-        * Second, find the device from the BDF
+        * Find the device from the BDF
         */
        cmdreg = read_pci_config(bus, slot, func, PCI_COMMAND);
        classcode = read_pci_config(bus, slot, func, PCI_CLASS_REVISION);
@@ -264,8 +271,10 @@ static __init void early_pci_serial_init(char *s)
         */
        if (((classcode >> 16 != PCI_CLASS_COMMUNICATION_MODEM) &&
             (classcode >> 16 != PCI_CLASS_COMMUNICATION_SERIAL)) ||
-          (((classcode >> 8) & 0xff) != 0x02)) /* 16550 I/F at BAR0 */
-               return;
+          (((classcode >> 8) & 0xff) != 0x02)) /* 16550 I/F at BAR0 */ {
+               if (!force)
+                       return;
+       }
 
        /*
         * Determine if it is IO or memory mapped
@@ -289,7 +298,7 @@ static __init void early_pci_serial_init(char *s)
        }
 
        /*
-        * Lastly, initialize the hardware
+        * Initialize the hardware
         */
        if (*s) {
                if (strcmp(s, "nocfg") == 0)
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 733e6ace0fa4..65590eee6289 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -199,14 +199,6 @@ static void sanity_check_ldt_mapping(struct mm_struct *mm)
 /*
  * If PTI is enabled, this maps the LDT into the kernelmode and
  * usermode tables for the given mm.
- *
- * There is no corresponding unmap function.  Even if the LDT is freed, we
- * leave the PTEs around until the slot is reused or the mm is destroyed.
- * This is harmless: the LDT is always in ordinary memory, and no one will
- * access the freed slot.
- *
- * If we wanted to unmap freed LDTs, we'd also need to do a flush to make
- * it useful, and the flush would slow down modify_ldt().
  */
 static int
 map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
@@ -214,8 +206,7 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct 
*ldt, int slot)
        unsigned long va;
        bool is_vmalloc;
        spinlock_t *ptl;
-       pgd_t *pgd;
-       int i;
+       int i, nr_pages;
 
        if (!static_cpu_has(X86_FEATURE_PTI))
                return 0;
@@ -229,16 +220,11 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct 
*ldt, int slot)
        /* Check if the current mappings are sane */
        sanity_check_ldt_mapping(mm);
 
-       /*
-        * Did we already have the top level entry allocated?  We can't
-        * use pgd_none() for this because it doens't do anything on
-        * 4-level page table kernels.
-        */
-       pgd = pgd_offset(mm, LDT_BASE_ADDR);
-
        is_vmalloc = is_vmalloc_addr(ldt->entries);
 
-       for (i = 0; i * PAGE_SIZE < ldt->nr_entries * LDT_ENTRY_SIZE; i++) {
+       nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE);
+
+       for (i = 0; i < nr_pages; i++) {
                unsigned long offset = i << PAGE_SHIFT;
                const void *src = (char *)ldt->entries + offset;
                unsigned long pfn;
@@ -272,13 +258,39 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct 
*ldt, int slot)
        /* Propagate LDT mapping to the user page-table */
        map_ldt_struct_to_user(mm);
 
-       va = (unsigned long)ldt_slot_va(slot);
-       flush_tlb_mm_range(mm, va, va + LDT_SLOT_STRIDE, 0);
-
        ldt->slot = slot;
        return 0;
 }
 
+static void unmap_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt)
+{
+       unsigned long va;
+       int i, nr_pages;
+
+       if (!ldt)
+               return;
+
+       /* LDT map/unmap is only required for PTI */
+       if (!static_cpu_has(X86_FEATURE_PTI))
+               return;
+
+       nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE);
+
+       for (i = 0; i < nr_pages; i++) {
+               unsigned long offset = i << PAGE_SHIFT;
+               spinlock_t *ptl;
+               pte_t *ptep;
+
+               va = (unsigned long)ldt_slot_va(ldt->slot) + offset;
+               ptep = get_locked_pte(mm, va, &ptl);
+               pte_clear(mm, va, ptep);
+               pte_unmap_unlock(ptep, ptl);
+       }
+
+       va = (unsigned long)ldt_slot_va(ldt->slot);
+       flush_tlb_mm_range(mm, va, va + nr_pages * PAGE_SIZE, 0);
+}
+
 #else /* !CONFIG_PAGE_TABLE_ISOLATION */
 
 static int
@@ -286,6 +298,10 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct 
*ldt, int slot)
 {
        return 0;
 }
+
+static void unmap_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt)
+{
+}
 #endif /* CONFIG_PAGE_TABLE_ISOLATION */
 
 static void free_ldt_pgtables(struct mm_struct *mm)
@@ -524,6 +540,7 @@ static int write_ldt(void __user *ptr, unsigned long 
bytecount, int oldmode)
        }
 
        install_ldt(mm, new_ldt);
+       unmap_ldt_struct(mm, old_ldt);
        free_ldt_struct(old_ldt);
        error = 0;
 
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index dd461c0167ef..2c84c6ad8b50 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -1897,7 +1897,7 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, 
unsigned long max_pfn)
        init_top_pgt[0] = __pgd(0);
 
        /* Pre-constructed entries are in pfn, so convert to mfn */
-       /* L4[272] -> level3_ident_pgt  */
+       /* L4[273] -> level3_ident_pgt  */
        /* L4[511] -> level3_kernel_pgt */
        convert_pfn_mfn(init_top_pgt);
 
@@ -1917,8 +1917,8 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, 
unsigned long max_pfn)
        addr[0] = (unsigned long)pgd;
        addr[1] = (unsigned long)l3;
        addr[2] = (unsigned long)l2;
-       /* Graft it onto L4[272][0]. Note that we creating an aliasing problem:
-        * Both L4[272][0] and L4[511][510] have entries that point to the same
+       /* Graft it onto L4[273][0]. Note that we creating an aliasing problem:
+        * Both L4[273][0] and L4[511][510] have entries that point to the same
         * L2 (PMD) tables. Meaning that if you modify it in __va space
         * it will be also modified in the __ka space! (But if you just
         * modify the PMD table to point to other PTE's or none, then you
diff --git a/block/bio.c b/block/bio.c
index 0093bed81c0e..41173710430c 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1261,6 +1261,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
                if (ret)
                        goto cleanup;
        } else {
+               zero_fill_bio(bio);
                iov_iter_advance(iter, bio->bi_iter.bi_size);
        }
 
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index eaa60c94205a..1f32caa87686 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -30,6 +30,7 @@ static const struct acpi_device_id forbidden_id_list[] = {
        {"PNP0200",  0},        /* AT DMA Controller */
        {"ACPI0009", 0},        /* IOxAPIC */
        {"ACPI000A", 0},        /* IOAPIC */
+       {"SMB0001",  0},        /* ACPI SMBUS virtual device */
        {"", 0},
 };
 
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index df8103dd40ac..c18586fccb6f 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -396,15 +396,14 @@ static struct brd_device *brd_alloc(int i)
        disk->first_minor       = i * max_part;
        disk->fops              = &brd_fops;
        disk->private_data      = brd;
-       disk->queue             = brd->brd_queue;
        disk->flags             = GENHD_FL_EXT_DEVT;
        sprintf(disk->disk_name, "ram%d", i);
        set_capacity(disk, rd_size * 2);
-       disk->queue->backing_dev_info->capabilities |= BDI_CAP_SYNCHRONOUS_IO;
+       brd->brd_queue->backing_dev_info->capabilities |= 
BDI_CAP_SYNCHRONOUS_IO;
 
        /* Tell the block layer that this is not a rotational device */
-       blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
-       blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue);
+       blk_queue_flag_set(QUEUE_FLAG_NONROT, brd->brd_queue);
+       blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, brd->brd_queue);
 
        return brd;
 
@@ -436,6 +435,7 @@ static struct brd_device *brd_init_one(int i, bool *new)
 
        brd = brd_alloc(i);
        if (brd) {
+               brd->brd_disk->queue = brd->brd_queue;
                add_disk(brd->brd_disk);
                list_add_tail(&brd->brd_list, &brd_devices);
        }
@@ -503,8 +503,14 @@ static int __init brd_init(void)
 
        /* point of no return */
 
-       list_for_each_entry(brd, &brd_devices, brd_list)
+       list_for_each_entry(brd, &brd_devices, brd_list) {
+               /*
+                * associate with queue just before adding disk for
+                * avoiding to mess up failure path
+                */
+               brd->brd_disk->queue = brd->brd_queue;
                add_disk(brd->brd_disk);
+       }
 
        blk_register_region(MKDEV(RAMDISK_MAJOR, 0), 1UL << MINORBITS,
                                  THIS_MODULE, brd_probe, NULL, NULL);
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 20724abd38bd..7df6b5b1e7ee 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -210,6 +210,7 @@ static int of_fixed_factor_clk_remove(struct 
platform_device *pdev)
 {
        struct clk *clk = platform_get_drvdata(pdev);
 
+       of_clk_del_provider(pdev->dev.of_node);
        clk_unregister_fixed_factor(clk);
 
        return 0;
diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c
index b5c46b3f8764..6d6475c32ee5 100644
--- a/drivers/clk/clk-fixed-rate.c
+++ b/drivers/clk/clk-fixed-rate.c
@@ -200,6 +200,7 @@ static int of_fixed_clk_remove(struct platform_device *pdev)
 {
        struct clk *clk = platform_get_drvdata(pdev);
 
+       of_clk_del_provider(pdev->dev.of_node);
        clk_unregister_fixed_rate(clk);
 
        return 0;
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 8cf74fc423e6..02229d051d77 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -96,7 +96,6 @@ static struct clk_regmap axg_sys_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -713,12 +712,14 @@ static struct clk_regmap axg_pcie_mux = {
                .offset = HHI_PCIE_PLL_CNTL6,
                .mask = 0x1,
                .shift = 2,
+               /* skip the parent mpll3, reserved for debug */
+               .table = (u32[]){ 1 },
        },
        .hw.init = &(struct clk_init_data){
                .name = "pcie_mux",
                .ops = &clk_regmap_mux_ops,
-               .parent_names = (const char *[]){ "mpll3", "pcie_pll" },
-               .num_parents = 2,
+               .parent_names = (const char *[]){ "pcie_pll" },
+               .num_parents = 1,
                .flags = CLK_SET_RATE_PARENT,
        },
 };
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 6435d86118f1..6628ffa31383 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -213,7 +213,6 @@ static struct clk_regmap gxbb_fixed_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -276,6 +275,10 @@ static struct clk_regmap gxbb_hdmi_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "hdmi_pll_pre_mult" },
                .num_parents = 1,
+               /*
+                * Display directly handle hdmi pll registers ATM, we need
+                * NOCACHE to keep our view of the clock as accurate as possible
+                */
                .flags = CLK_GET_RATE_NOCACHE,
        },
 };
@@ -334,6 +337,10 @@ static struct clk_regmap gxl_hdmi_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
+               /*
+                * Display directly handle hdmi pll registers ATM, we need
+                * NOCACHE to keep our view of the clock as accurate as possible
+                */
                .flags = CLK_GET_RATE_NOCACHE,
        },
 };
@@ -371,7 +378,6 @@ static struct clk_regmap gxbb_sys_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -418,7 +424,6 @@ static struct clk_regmap gxbb_gp0_pll = {
                .ops = &meson_clk_pll_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -472,7 +477,6 @@ static struct clk_regmap gxl_gp0_pll = {
                .ops = &meson_clk_pll_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 7447d96a265f..74697e145dde 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -132,7 +132,6 @@ static struct clk_regmap meson8b_fixed_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -169,7 +168,6 @@ static struct clk_regmap meson8b_vid_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
@@ -207,7 +205,6 @@ static struct clk_regmap meson8b_sys_pll = {
                .ops = &meson_clk_pll_ro_ops,
                .parent_names = (const char *[]){ "xtal" },
                .num_parents = 1,
-               .flags = CLK_GET_RATE_NOCACHE,
        },
 };
 
diff --git a/drivers/clk/renesas/r9a06g032-clocks.c 
b/drivers/clk/renesas/r9a06g032-clocks.c
index a0b6ecdc63dd..6d2b56891559 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -539,7 +539,8 @@ r9a06g032_div_round_rate(struct clk_hw *hw,
         * several uarts attached to this divider, and changing this impacts
         * everyone.
         */
-       if (clk->index == R9A06G032_DIV_UART) {
+       if (clk->index == R9A06G032_DIV_UART ||
+           clk->index == R9A06G032_DIV_P2_PG) {
                pr_devel("%s div uart hack!\n", __func__);
                return clk_get_rate(hw->clk);
        }
diff --git a/drivers/clk/samsung/clk-exynos5420.c 
b/drivers/clk/samsung/clk-exynos5420.c
index 95e1bf69449b..d4f77c4eb277 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -281,6 +281,7 @@ static const struct samsung_clk_reg_dump 
exynos5420_set_clksrc[] = {
        { .offset = GATE_BUS_TOP,               .value = 0xffffffff, },
        { .offset = GATE_BUS_DISP1,             .value = 0xffffffff, },
        { .offset = GATE_IP_PERIC,              .value = 0xffffffff, },
+       { .offset = GATE_IP_PERIS,              .value = 0xffffffff, },
 };
 
 static int exynos5420_clk_suspend(void)
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index 7d22e1af2247..27e0979b3158 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -129,7 +129,7 @@ int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops)
 void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
 {
        struct ti_dt_clk *c;
-       struct device_node *node;
+       struct device_node *node, *parent;
        struct clk *clk;
        struct of_phandle_args clkspec;
        char buf[64];
@@ -164,8 +164,12 @@ void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
                        continue;
 
                node = of_find_node_by_name(NULL, buf);
-               if (num_args)
-                       node = of_find_node_by_name(node, "clk");
+               if (num_args) {
+                       parent = node;
+                       node = of_get_child_by_name(parent, "clk");
+                       of_node_put(parent);
+               }
+
                clkspec.np = node;
                clkspec.args_count = num_args;
                for (i = 0; i < num_args; i++) {
@@ -173,11 +177,12 @@ void __init ti_dt_clocks_register(struct ti_dt_clk 
oclks[])
                        if (ret) {
                                pr_warn("Bad tag in %s at %d: %s\n",
                                        c->node_name, i, tags[i]);
+                               of_node_put(node);
                                return;
                        }
                }
                clk = of_clk_get_from_provider(&clkspec);
-
+               of_node_put(node);
                if (!IS_ERR(clk)) {
                        c->lk.clk = clk;
                        clkdev_add(&c->lk);
diff --git a/drivers/gnss/serial.c b/drivers/gnss/serial.c
index b01ba4438501..31e891f00175 100644
--- a/drivers/gnss/serial.c
+++ b/drivers/gnss/serial.c
@@ -13,6 +13,7 @@
 #include <linux/of.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
+#include <linux/sched.h>
 #include <linux/serdev.h>
 #include <linux/slab.h>
 
@@ -63,7 +64,7 @@ static int gnss_serial_write_raw(struct gnss_device *gdev,
        int ret;
 
        /* write is only buffered synchronously */
-       ret = serdev_device_write(serdev, buf, count, 0);
+       ret = serdev_device_write(serdev, buf, count, MAX_SCHEDULE_TIMEOUT);
        if (ret < 0)
                return ret;
 
diff --git a/drivers/gnss/sirf.c b/drivers/gnss/sirf.c
index 79cb98950013..71d014edd167 100644
--- a/drivers/gnss/sirf.c
+++ b/drivers/gnss/sirf.c
@@ -16,6 +16,7 @@
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/regulator/consumer.h>
+#include <linux/sched.h>
 #include <linux/serdev.h>
 #include <linux/slab.h>
 #include <linux/wait.h>
@@ -83,7 +84,7 @@ static int sirf_write_raw(struct gnss_device *gdev, const 
unsigned char *buf,
        int ret;
 
        /* write is only buffered synchronously */
-       ret = serdev_device_write(serdev, buf, count, 0);
+       ret = serdev_device_write(serdev, buf, count, MAX_SCHEDULE_TIMEOUT);
        if (ret < 0)
                return ret;
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 6903fe6c894b..ef5c6af4d964 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3167,7 +3167,7 @@ void dm_drm_plane_destroy_state(struct drm_plane *plane,
 static const struct drm_plane_funcs dm_plane_funcs = {
        .update_plane   = drm_atomic_helper_update_plane,
        .disable_plane  = drm_atomic_helper_disable_plane,
-       .destroy        = drm_plane_cleanup,
+       .destroy        = drm_primary_helper_destroy,
        .reset = dm_drm_plane_reset,
        .atomic_duplicate_state = dm_drm_plane_duplicate_state,
        .atomic_destroy_state = dm_drm_plane_destroy_state,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index a29dc35954c9..aba2c5c1d2f8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -173,8 +173,6 @@ struct amdgpu_dm_connector {
        struct mutex hpd_lock;
 
        bool fake_enable;
-
-       bool mst_connected;
 };
 
 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, 
base)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 9a300732ba37..4cc45a1d21db 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -317,12 +317,7 @@ dm_dp_create_fake_mst_encoder(struct amdgpu_dm_connector 
*connector)
        struct amdgpu_device *adev = dev->dev_private;
        struct amdgpu_encoder *amdgpu_encoder;
        struct drm_encoder *encoder;
-       const struct drm_connector_helper_funcs *connector_funcs =
-               connector->base.helper_private;
-       struct drm_encoder *enc_master =
-               connector_funcs->best_encoder(&connector->base);
 
-       DRM_DEBUG_KMS("enc master is %p\n", enc_master);
        amdgpu_encoder = kzalloc(sizeof(*amdgpu_encoder), GFP_KERNEL);
        if (!amdgpu_encoder)
                return NULL;
@@ -352,25 +347,6 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr 
*mgr,
        struct amdgpu_device *adev = dev->dev_private;
        struct amdgpu_dm_connector *aconnector;
        struct drm_connector *connector;
-       struct drm_connector_list_iter conn_iter;
-
-       drm_connector_list_iter_begin(dev, &conn_iter);
-       drm_for_each_connector_iter(connector, &conn_iter) {
-               aconnector = to_amdgpu_dm_connector(connector);
-               if (aconnector->mst_port == master
-                               && !aconnector->port) {
-                       DRM_INFO("DM_MST: reusing connector: %p [id: %d] 
[master: %p]\n",
-                                               aconnector, connector->base.id, 
aconnector->mst_port);
-
-                       aconnector->port = port;
-                       drm_connector_set_path_property(connector, pathprop);
-
-                       drm_connector_list_iter_end(&conn_iter);
-                       aconnector->mst_connected = true;
-                       return &aconnector->base;
-               }
-       }
-       drm_connector_list_iter_end(&conn_iter);
 
        aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
        if (!aconnector)
@@ -419,8 +395,6 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
         */
        amdgpu_dm_connector_funcs_reset(connector);
 
-       aconnector->mst_connected = true;
-
        DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n",
                        aconnector, connector->base.id, aconnector->mst_port);
 
@@ -432,6 +406,9 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
                                        struct drm_connector *connector)
 {
+       struct amdgpu_dm_connector *master = container_of(mgr, struct 
amdgpu_dm_connector, mst_mgr);
+       struct drm_device *dev = master->base.dev;
+       struct amdgpu_device *adev = dev->dev_private;
        struct amdgpu_dm_connector *aconnector = 
to_amdgpu_dm_connector(connector);
 
        DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n",
@@ -445,7 +422,10 @@ static void dm_dp_destroy_mst_connector(struct 
drm_dp_mst_topology_mgr *mgr,
                aconnector->dc_sink = NULL;
        }
 
-       aconnector->mst_connected = false;
+       drm_connector_unregister(connector);
+       if (adev->mode_info.rfbdev)
+               
drm_fb_helper_remove_one_connector(&adev->mode_info.rfbdev->helper, connector);
+       drm_connector_put(connector);
 }
 
 static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
@@ -456,18 +436,10 @@ static void dm_dp_mst_hotplug(struct 
drm_dp_mst_topology_mgr *mgr)
        drm_kms_helper_hotplug_event(dev);
 }
 
-static void dm_dp_mst_link_status_reset(struct drm_connector *connector)
-{
-       mutex_lock(&connector->dev->mode_config.mutex);
-       drm_connector_set_link_status_property(connector, 
DRM_MODE_LINK_STATUS_BAD);
-       mutex_unlock(&connector->dev->mode_config.mutex);
-}
-
 static void dm_dp_mst_register_connector(struct drm_connector *connector)
 {
        struct drm_device *dev = connector->dev;
        struct amdgpu_device *adev = dev->dev_private;
-       struct amdgpu_dm_connector *aconnector = 
to_amdgpu_dm_connector(connector);
 
        if (adev->mode_info.rfbdev)
                
drm_fb_helper_add_one_connector(&adev->mode_info.rfbdev->helper, connector);
@@ -475,9 +447,6 @@ static void dm_dp_mst_register_connector(struct 
drm_connector *connector)
                DRM_ERROR("adev->mode_info.rfbdev is NULL\n");
 
        drm_connector_register(connector);
-
-       if (aconnector->mst_connected)
-               dm_dp_mst_link_status_reset(connector);
 }
 
 static const struct drm_dp_mst_topology_cbs dm_mst_cbs = {
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ff0bfc65a8c1..b506e3622b08 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -122,6 +122,9 @@ static const struct edid_quirk {
        /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
        { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
 
+       /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
+       { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
+
        /* Belinea 10 15 55 */
        { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
        { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c 
b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 94529aa82339..aef487dd8731 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -164,13 +164,6 @@ static u32 decon_get_frame_count(struct decon_context 
*ctx, bool end)
        return frm;
 }
 
-static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc)
-{
-       struct decon_context *ctx = crtc->ctx;
-
-       return decon_get_frame_count(ctx, false);
-}
-
 static void decon_setup_trigger(struct decon_context *ctx)
 {
        if (!ctx->crtc->i80_mode && !(ctx->out_type & I80_HW_TRG))
@@ -536,7 +529,6 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = {
        .disable                = decon_disable,
        .enable_vblank          = decon_enable_vblank,
        .disable_vblank         = decon_disable_vblank,
-       .get_vblank_counter     = decon_get_vblank_counter,
        .atomic_begin           = decon_atomic_begin,
        .update_plane           = decon_update_plane,
        .disable_plane          = decon_disable_plane,
@@ -554,7 +546,6 @@ static int decon_bind(struct device *dev, struct device 
*master, void *data)
        int ret;
 
        ctx->drm_dev = drm_dev;
-       drm_dev->max_vblank_count = 0xffffffff;
 
        for (win = ctx->first_win; win < WINDOWS_NR; win++) {
                ctx->configs[win].pixel_formats = decon_formats;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c 
b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index eea90251808f..2696289ecc78 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -162,16 +162,6 @@ static void exynos_drm_crtc_disable_vblank(struct drm_crtc 
*crtc)
                exynos_crtc->ops->disable_vblank(exynos_crtc);
 }
 
-static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc)
-{
-       struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
-       if (exynos_crtc->ops->get_vblank_counter)
-               return exynos_crtc->ops->get_vblank_counter(exynos_crtc);
-
-       return 0;
-}
-
 static const struct drm_crtc_funcs exynos_crtc_funcs = {
        .set_config     = drm_atomic_helper_set_config,
        .page_flip      = drm_atomic_helper_page_flip,
@@ -181,7 +171,6 @@ static const struct drm_crtc_funcs exynos_crtc_funcs = {
        .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
        .enable_vblank = exynos_drm_crtc_enable_vblank,
        .disable_vblank = exynos_drm_crtc_disable_vblank,
-       .get_vblank_counter = exynos_drm_crtc_get_vblank_counter,
 };
 
 struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h 
b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index c737c4bd2c19..630f1edc5de2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -133,7 +133,6 @@ struct exynos_drm_crtc_ops {
        void (*disable)(struct exynos_drm_crtc *crtc);
        int (*enable_vblank)(struct exynos_drm_crtc *crtc);
        void (*disable_vblank)(struct exynos_drm_crtc *crtc);
-       u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
        enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
                const struct drm_display_mode *mode);
        bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4aca5344863d..d6c25bea4382 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2248,7 +2248,7 @@ static inline struct scatterlist *__sg_next(struct 
scatterlist *sg)
 #define for_each_sgt_dma(__dmap, __iter, __sgt)                                
\
        for ((__iter) = __sgt_iter((__sgt)->sgl, true);                 \
             ((__dmap) = (__iter).dma + (__iter).curr);                 \
-            (((__iter).curr += PAGE_SIZE) >= (__iter).max) ?           \
+            (((__iter).curr += I915_GTT_PAGE_SIZE) >= (__iter).max) ?  \
             (__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0 : 0)
 
 /**
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c 
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 294a143b85f5..5f57f4e1fbc8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1058,7 +1058,7 @@ gen8_ppgtt_insert_pte_entries(struct i915_hw_ppgtt *ppgtt,
        do {
                vaddr[idx->pte] = pte_encode | iter->dma;
 
-               iter->dma += PAGE_SIZE;
+               iter->dma += I915_GTT_PAGE_SIZE;
                if (iter->dma >= iter->max) {
                        iter->sg = __sg_next(iter->sg);
                        if (!iter->sg) {
@@ -1770,7 +1770,7 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *base, 
struct seq_file *m)
 
                        seq_printf(m, "\t\t(%03d, %04d) %08llx: ",
                                   pde, pte,
-                                  (pde * GEN6_PTES + pte) * PAGE_SIZE);
+                                  (pde * GEN6_PTES + pte) * 
I915_GTT_PAGE_SIZE);
                        for (i = 0; i < 4; i++) {
                                if (vaddr[pte + i] != scratch_pte)
                                        seq_printf(m, " %08x", vaddr[pte + i]);
@@ -1910,7 +1910,7 @@ static void gen6_ppgtt_insert_entries(struct 
i915_address_space *vm,
        do {
                vaddr[act_pte] = pte_encode | GEN6_PTE_ADDR_ENCODE(iter.dma);
 
-               iter.dma += PAGE_SIZE;
+               iter.dma += I915_GTT_PAGE_SIZE;
                if (iter.dma == iter.max) {
                        iter.sg = __sg_next(iter.sg);
                        if (!iter.sg)
@@ -2048,7 +2048,7 @@ static int pd_vma_bind(struct i915_vma *vma,
 {
        struct i915_ggtt *ggtt = i915_vm_to_ggtt(vma->vm);
        struct gen6_hw_ppgtt *ppgtt = vma->private;
-       u32 ggtt_offset = i915_ggtt_offset(vma) / PAGE_SIZE;
+       u32 ggtt_offset = i915_ggtt_offset(vma) / I915_GTT_PAGE_SIZE;
        struct i915_page_table *pt;
        unsigned int pde;
 
@@ -2174,7 +2174,7 @@ static struct i915_hw_ppgtt *gen6_ppgtt_create(struct 
drm_i915_private *i915)
        ppgtt->base.vm.i915 = i915;
        ppgtt->base.vm.dma = &i915->drm.pdev->dev;
 
-       ppgtt->base.vm.total = I915_PDES * GEN6_PTES * PAGE_SIZE;
+       ppgtt->base.vm.total = I915_PDES * GEN6_PTES * I915_GTT_PAGE_SIZE;
 
        i915_address_space_init(&ppgtt->base.vm, i915);
 
@@ -3031,7 +3031,7 @@ static unsigned int gen8_get_total_gtt_size(u16 
bdw_gmch_ctl)
                bdw_gmch_ctl = 1 << bdw_gmch_ctl;
 
 #ifdef CONFIG_X86_32
-       /* Limit 32b platforms to a 2GB GGTT: 4 << 20 / pte size * PAGE_SIZE */
+       /* Limit 32b platforms to a 2GB GGTT: 4 << 20 / pte size * 
I915_GTT_PAGE_SIZE */
        if (bdw_gmch_ctl > 4)
                bdw_gmch_ctl = 4;
 #endif
@@ -3729,9 +3729,9 @@ rotate_pages(const dma_addr_t *in, unsigned int offset,
                         * the entries so the sg list can be happily traversed.
                         * The only thing we need are DMA addresses.
                         */
-                       sg_set_page(sg, NULL, PAGE_SIZE, 0);
+                       sg_set_page(sg, NULL, I915_GTT_PAGE_SIZE, 0);
                        sg_dma_address(sg) = in[offset + src_idx];
-                       sg_dma_len(sg) = PAGE_SIZE;
+                       sg_dma_len(sg) = I915_GTT_PAGE_SIZE;
                        sg = sg_next(sg);
                        src_idx -= stride;
                }
@@ -3744,7 +3744,7 @@ static noinline struct sg_table *
 intel_rotate_pages(struct intel_rotation_info *rot_info,
                   struct drm_i915_gem_object *obj)
 {
-       const unsigned long n_pages = obj->base.size / PAGE_SIZE;
+       const unsigned long n_pages = obj->base.size / I915_GTT_PAGE_SIZE;
        unsigned int size = intel_rotation_info_size(rot_info);
        struct sgt_iter sgt_iter;
        dma_addr_t dma_addr;
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index aec253b44156..3cd7229b6e54 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -660,6 +660,20 @@ static int T4_init(struct hid_device *hdev, struct 
alps_dev *pri_data)
        return ret;
 }
 
+static int alps_sp_open(struct input_dev *dev)
+{
+       struct hid_device *hid = input_get_drvdata(dev);
+
+       return hid_hw_open(hid);
+}
+
+static void alps_sp_close(struct input_dev *dev)
+{
+       struct hid_device *hid = input_get_drvdata(dev);
+
+       hid_hw_close(hid);
+}
+
 static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
 {
        struct alps_dev *data = hid_get_drvdata(hdev);
@@ -733,6 +747,10 @@ static int alps_input_configured(struct hid_device *hdev, 
struct hid_input *hi)
                input2->id.version = input->id.version;
                input2->dev.parent = input->dev.parent;
 
+               input_set_drvdata(input2, hdev);
+               input2->open = alps_sp_open;
+               input2->close = alps_sp_close;
+
                __set_bit(EV_KEY, input2->evbit);
                data->sp_btn_cnt = (data->sp_btn_info & 0x0F);
                for (i = 0; i < data->sp_btn_cnt; i++)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index bc49909aba8e..501c05cbec7e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -799,6 +799,7 @@
 #define USB_DEVICE_ID_MS_TOUCH_COVER_2   0x07a7
 #define USB_DEVICE_ID_MS_TYPE_COVER_2    0x07a9
 #define USB_DEVICE_ID_MS_POWER_COVER     0x07da
+#define USB_DEVICE_ID_MS_PIXART_MOUSE    0x00cb
 
 #define USB_VENDOR_ID_MOJO             0x8282
 #define USB_DEVICE_ID_RETRO_ADAPTER    0x3201
@@ -921,6 +922,9 @@
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3003                0x3003
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008                0x3008
 
+#define I2C_VENDOR_ID_RAYDIUM          0x2386
+#define I2C_PRODUCT_ID_RAYDIUM_4B33    0x4b33
+
 #define USB_VENDOR_ID_RAZER            0x1532
 #define USB_DEVICE_ID_RAZER_BLADE_14   0x011D
 
@@ -1195,6 +1199,8 @@
 #define USB_DEVICE_ID_PRIMAX_MOUSE_4D22        0x4d22
 #define USB_DEVICE_ID_PRIMAX_KEYBOARD  0x4e05
 #define USB_DEVICE_ID_PRIMAX_REZEL     0x4e72
+#define USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D0F 0x4d0f
+#define USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4E22 0x4e22
 
 
 #define USB_VENDOR_ID_RISO_KAGAKU      0x1294  /* Riso Kagaku Corp. */
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 249d49b6b16c..0a0605a7e481 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -106,7 +106,7 @@ static const struct hid_device_id hid_quirks[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 
USB_DEVICE_ID_LOGITECH_MOUSE_C05A), HID_QUIRK_ALWAYS_POLL },
        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 
USB_DEVICE_ID_LOGITECH_MOUSE_C06A), HID_QUIRK_ALWAYS_POLL },
        { HID_USB_DEVICE(USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK), 
HID_QUIRK_MULTI_INPUT },
-       { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS), 
HID_QUIRK_NOGET },
+       { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, 
USB_DEVICE_ID_MS_PIXART_MOUSE), HID_QUIRK_ALWAYS_POLL },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, 
USB_DEVICE_ID_MS_POWER_COVER), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, 
USB_DEVICE_ID_MS_SURFACE_PRO_2), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, 
USB_DEVICE_ID_MS_TOUCH_COVER_2), HID_QUIRK_NO_INIT_REPORTS },
@@ -129,6 +129,8 @@ static const struct hid_device_id hid_quirks[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, 
USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN), HID_QUIRK_NO_INIT_REPORTS },
        { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, 
USB_DEVICE_ID_PIXART_USB_OPTICAL_MOUSE), HID_QUIRK_ALWAYS_POLL },
        { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, 
USB_DEVICE_ID_PRIMAX_MOUSE_4D22), HID_QUIRK_ALWAYS_POLL },
+       { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, 
USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4D0F), HID_QUIRK_ALWAYS_POLL },
+       { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, 
USB_DEVICE_ID_PRIMAX_PIXART_MOUSE_4E22), HID_QUIRK_ALWAYS_POLL },
        { HID_USB_DEVICE(USB_VENDOR_ID_PRODIGE, 
USB_DEVICE_ID_PRODIGE_CORDLESS), HID_QUIRK_NOGET },
        { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001), HID_QUIRK_NOGET },
        { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, 
USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3003), HID_QUIRK_NOGET },
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 4e3592e7a3f7..88daa388e1f6 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -48,6 +48,7 @@
 #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV       BIT(0)
 #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET       BIT(1)
 #define I2C_HID_QUIRK_NO_RUNTIME_PM            BIT(2)
+#define I2C_HID_QUIRK_DELAY_AFTER_SLEEP                BIT(3)
 
 /* flags */
 #define I2C_HID_STARTED                0
@@ -157,6 +158,8 @@ struct i2c_hid {
 
        bool                    irq_wake_enabled;
        struct mutex            reset_lock;
+
+       unsigned long           sleep_delay;
 };
 
 static const struct i2c_hid_quirks {
@@ -171,6 +174,8 @@ static const struct i2c_hid_quirks {
        { I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
                I2C_HID_QUIRK_NO_IRQ_AFTER_RESET |
                I2C_HID_QUIRK_NO_RUNTIME_PM },
+       { I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_4B33,
+               I2C_HID_QUIRK_DELAY_AFTER_SLEEP },
        { 0, 0 }
 };
 
@@ -386,6 +391,7 @@ static int i2c_hid_set_power(struct i2c_client *client, int 
power_state)
 {
        struct i2c_hid *ihid = i2c_get_clientdata(client);
        int ret;
+       unsigned long now, delay;
 
        i2c_hid_dbg(ihid, "%s\n", __func__);
 
@@ -403,9 +409,22 @@ static int i2c_hid_set_power(struct i2c_client *client, 
int power_state)
                        goto set_pwr_exit;
        }
 
+       if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP &&
+           power_state == I2C_HID_PWR_ON) {
+               now = jiffies;
+               if (time_after(ihid->sleep_delay, now)) {
+                       delay = jiffies_to_usecs(ihid->sleep_delay - now);
+                       usleep_range(delay, delay + 1);
+               }
+       }
+
        ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,
                0, NULL, 0, NULL, 0);
 
+       if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP &&
+           power_state == I2C_HID_PWR_SLEEP)
+               ihid->sleep_delay = jiffies + msecs_to_jiffies(20);
+
        if (ret)
                dev_err(&client->dev, "failed to change power setting.\n");
 
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 3c5507313606..051639c09f72 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -12,6 +12,7 @@
 
 #include <linux/atomic.h>
 #include <linux/compat.h>
+#include <linux/cred.h>
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/hid.h>
@@ -722,6 +723,17 @@ static ssize_t uhid_char_write(struct file *file, const 
char __user *buffer,
 
        switch (uhid->input_buf.type) {
        case UHID_CREATE:
+               /*
+                * 'struct uhid_create_req' contains a __user pointer which is
+                * copied from, so it's unsafe to allow this with elevated
+                * privileges (e.g. from a setuid binary) or via kernel_write().
+                */
+               if (file->f_cred != current_cred() || uaccess_kernel()) {
+                       pr_err_once("UHID_CREATE from different security 
context by process %d (%s), this is not allowed.\n",
+                                   task_tgid_vnr(current), current->comm);
+                       ret = -EACCES;
+                       goto unlock;
+               }
                ret = uhid_dev_create(uhid, &uhid->input_buf);
                break;
        case UHID_CREATE2:
diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
index 83472808c816..64d05edff130 100644
--- a/drivers/hwmon/ibmpowernv.c
+++ b/drivers/hwmon/ibmpowernv.c
@@ -181,7 +181,7 @@ static ssize_t show_label(struct device *dev, struct 
device_attribute *devattr,
        return sprintf(buf, "%s\n", sdata->label);
 }
 
-static int __init get_logical_cpu(int hwcpu)
+static int get_logical_cpu(int hwcpu)
 {
        int cpu;
 
@@ -192,9 +192,8 @@ static int __init get_logical_cpu(int hwcpu)
        return -ENOENT;
 }
 
-static void __init make_sensor_label(struct device_node *np,
-                                    struct sensor_data *sdata,
-                                    const char *label)
+static void make_sensor_label(struct device_node *np,
+                             struct sensor_data *sdata, const char *label)
 {
        u32 id;
        size_t n;
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 451d4ae50e66..ac4b09642f63 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -751,7 +751,7 @@ config I2C_OCORES
 
 config I2C_OMAP
        tristate "OMAP I2C adapter"
-       depends on ARCH_OMAP
+       depends on ARCH_OMAP || ARCH_K3
        default y if MACH_OMAP_H3 || MACH_OMAP_OSK
        help
          If you say yes to this option, support will be included for the
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c 
b/drivers/i2c/busses/i2c-qcom-geni.c
index 9f2eb02481d3..d7329177b0ea 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -590,18 +590,19 @@ static int geni_i2c_probe(struct platform_device *pdev)
 
        dev_dbg(&pdev->dev, "i2c fifo/se-dma mode. fifo depth:%d\n", tx_depth);
 
-       ret = i2c_add_adapter(&gi2c->adap);
-       if (ret) {
-               dev_err(&pdev->dev, "Error adding i2c adapter %d\n", ret);
-               return ret;
-       }
-
        gi2c->suspended = 1;
        pm_runtime_set_suspended(gi2c->se.dev);
        pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY);
        pm_runtime_use_autosuspend(gi2c->se.dev);
        pm_runtime_enable(gi2c->se.dev);
 
+       ret = i2c_add_adapter(&gi2c->adap);
+       if (ret) {
+               dev_err(&pdev->dev, "Error adding i2c adapter %d\n", ret);
+               pm_runtime_disable(gi2c->se.dev);
+               return ret;
+       }
+
        return 0;
 }
 
@@ -609,8 +610,8 @@ static int geni_i2c_remove(struct platform_device *pdev)
 {
        struct geni_i2c_dev *gi2c = platform_get_drvdata(pdev);
 
-       pm_runtime_disable(gi2c->se.dev);
        i2c_del_adapter(&gi2c->adap);
+       pm_runtime_disable(gi2c->se.dev);
        return 0;
 }
 
diff --git a/drivers/media/v4l2-core/v4l2-event.c 
b/drivers/media/v4l2-core/v4l2-event.c
index a3ef1f50a4b3..481e3c65cf97 100644
--- a/drivers/media/v4l2-core/v4l2-event.c
+++ b/drivers/media/v4l2-core/v4l2-event.c
@@ -193,6 +193,22 @@ int v4l2_event_pending(struct v4l2_fh *fh)
 }
 EXPORT_SYMBOL_GPL(v4l2_event_pending);
 
+static void __v4l2_event_unsubscribe(struct v4l2_subscribed_event *sev)
+{
+       struct v4l2_fh *fh = sev->fh;
+       unsigned int i;
+
+       lockdep_assert_held(&fh->subscribe_lock);
+       assert_spin_locked(&fh->vdev->fh_lock);
+
+       /* Remove any pending events for this subscription */
+       for (i = 0; i < sev->in_use; i++) {
+               list_del(&sev->events[sev_pos(sev, i)].list);
+               fh->navailable--;
+       }
+       list_del(&sev->list);
+}
+
 int v4l2_event_subscribe(struct v4l2_fh *fh,
                         const struct v4l2_event_subscription *sub, unsigned 
elems,
                         const struct v4l2_subscribed_event_ops *ops)
@@ -224,27 +240,23 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
 
        spin_lock_irqsave(&fh->vdev->fh_lock, flags);
        found_ev = v4l2_event_subscribed(fh, sub->type, sub->id);
+       if (!found_ev)
+               list_add(&sev->list, &fh->subscribed);
        spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
 
        if (found_ev) {
                /* Already listening */
                kvfree(sev);
-               goto out_unlock;
-       }
-
-       if (sev->ops && sev->ops->add) {
+       } else if (sev->ops && sev->ops->add) {
                ret = sev->ops->add(sev, elems);
                if (ret) {
+                       spin_lock_irqsave(&fh->vdev->fh_lock, flags);
+                       __v4l2_event_unsubscribe(sev);
+                       spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
                        kvfree(sev);
-                       goto out_unlock;
                }
        }
 
-       spin_lock_irqsave(&fh->vdev->fh_lock, flags);
-       list_add(&sev->list, &fh->subscribed);
-       spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
-
-out_unlock:
        mutex_unlock(&fh->subscribe_lock);
 
        return ret;
@@ -279,7 +291,6 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
 {
        struct v4l2_subscribed_event *sev;
        unsigned long flags;
-       int i;
 
        if (sub->type == V4L2_EVENT_ALL) {
                v4l2_event_unsubscribe_all(fh);
@@ -291,14 +302,8 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
        spin_lock_irqsave(&fh->vdev->fh_lock, flags);
 
        sev = v4l2_event_subscribed(fh, sub->type, sub->id);
-       if (sev != NULL) {
-               /* Remove any pending events for this subscription */
-               for (i = 0; i < sev->in_use; i++) {
-                       list_del(&sev->events[sev_pos(sev, i)].list);
-                       fh->navailable--;
-               }
-               list_del(&sev->list);
-       }
+       if (sev != NULL)
+               __v4l2_event_unsubscribe(sev);
 
        spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
 
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index b2a0340f277e..d8e3cc2dc747 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -132,7 +132,7 @@ static const struct of_device_id atmel_ssc_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, atmel_ssc_dt_ids);
 #endif
 
-static inline const struct atmel_ssc_platform_data * __init
+static inline const struct atmel_ssc_platform_data *
        atmel_ssc_get_driver_data(struct platform_device *pdev)
 {
        if (pdev->dev.of_node) {
diff --git a/drivers/misc/sgi-gru/grukdump.c b/drivers/misc/sgi-gru/grukdump.c
index 313da3150262..1540a7785e14 100644
--- a/drivers/misc/sgi-gru/grukdump.c
+++ b/drivers/misc/sgi-gru/grukdump.c
@@ -27,6 +27,9 @@
 #include <linux/delay.h>
 #include <linux/bitops.h>
 #include <asm/uv/uv_hub.h>
+
+#include <linux/nospec.h>
+
 #include "gru.h"
 #include "grutables.h"
 #include "gruhandles.h"
@@ -196,6 +199,7 @@ int gru_dump_chiplet_request(unsigned long arg)
        /* Currently, only dump by gid is implemented */
        if (req.gid >= gru_max_gids)
                return -EINVAL;
+       req.gid = array_index_nospec(req.gid, gru_max_gids);
 
        gru = GID_TO_GRU(req.gid);
        ubuf = req.buf;
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c 
b/drivers/mtd/nand/raw/atmel/nand-controller.c
index a594fb1e9a99..32e95af486a2 100644
--- a/drivers/mtd/nand/raw/atmel/nand-controller.c
+++ b/drivers/mtd/nand/raw/atmel/nand-controller.c
@@ -2061,8 +2061,7 @@ atmel_hsmc_nand_controller_legacy_init(struct 
atmel_hsmc_nand_controller *nc)
        int ret;
 
        nand_np = dev->of_node;
-       nfc_np = of_find_compatible_node(dev->of_node, NULL,
-                                        "atmel,sama5d3-nfc");
+       nfc_np = of_get_compatible_child(dev->of_node, "atmel,sama5d3-nfc");
        if (!nfc_np) {
                dev_err(dev, "Could not find device node for sama5d3-nfc\n");
                return -ENODEV;
@@ -2476,15 +2475,19 @@ static int atmel_nand_controller_probe(struct 
platform_device *pdev)
        }
 
        if (caps->legacy_of_bindings) {
+               struct device_node *nfc_node;
                u32 ale_offs = 21;
 
                /*
                 * If we are parsing legacy DT props and the DT contains a
                 * valid NFC node, forward the request to the sama5 logic.
                 */
-               if (of_find_compatible_node(pdev->dev.of_node, NULL,
-                                           "atmel,sama5d3-nfc"))
+               nfc_node = of_get_compatible_child(pdev->dev.of_node,
+                                                  "atmel,sama5d3-nfc");
+               if (nfc_node) {
                        caps = &atmel_sama5_nand_caps;
+                       of_node_put(nfc_node);
+               }
 
                /*
                 * Even if the compatible says we are dealing with an
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c 
b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index b939a4c10b84..c89c7d4900d7 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -528,7 +528,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff 
*skb,
                        context = &priv->tx_contexts[i];
 
                        context->echo_index = i;
-                       can_put_echo_skb(skb, netdev, context->echo_index);
                        ++priv->active_tx_contexts;
                        if (priv->active_tx_contexts >= (int)dev->max_tx_urbs)
                                netif_stop_queue(netdev);
@@ -553,7 +552,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff 
*skb,
                dev_kfree_skb(skb);
                spin_lock_irqsave(&priv->tx_contexts_lock, flags);
 
-               can_free_echo_skb(netdev, context->echo_index);
                context->echo_index = dev->max_tx_urbs;
                --priv->active_tx_contexts;
                netif_wake_queue(netdev);
@@ -564,6 +562,8 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff 
*skb,
 
        context->priv = priv;
 
+       can_put_echo_skb(skb, netdev, context->echo_index);
+
        usb_fill_bulk_urb(urb, dev->udev,
                          usb_sndbulkpipe(dev->udev,
                                          dev->bulk_out->bEndpointAddress),
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c 
b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
index c084bae5ec0a..5fc0be564274 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
@@ -1019,6 +1019,11 @@ kvaser_usb_hydra_error_frame(struct kvaser_usb_net_priv 
*priv,
                                        new_state : CAN_STATE_ERROR_ACTIVE;
 
                        can_change_state(netdev, cf, tx_state, rx_state);
+
+                       if (priv->can.restart_ms &&
+                           old_state >= CAN_STATE_BUS_OFF &&
+                           new_state < CAN_STATE_BUS_OFF)
+                               cf->can_id |= CAN_ERR_RESTARTED;
                }
 
                if (new_state == CAN_STATE_BUS_OFF) {
@@ -1028,11 +1033,6 @@ kvaser_usb_hydra_error_frame(struct kvaser_usb_net_priv 
*priv,
 
                        can_bus_off(netdev);
                }
-
-               if (priv->can.restart_ms &&
-                   old_state >= CAN_STATE_BUS_OFF &&
-                   new_state < CAN_STATE_BUS_OFF)
-                       cf->can_id |= CAN_ERR_RESTARTED;
        }
 
        if (!skb) {
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 26dc6782b475..4f34808f1e06 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -590,7 +590,7 @@ int aq_nic_set_multicast_list(struct aq_nic_s *self, struct 
net_device *ndev)
                }
        }
 
-       if (i > 0 && i < AQ_HW_MULTICAST_ADDRESS_MAX) {
+       if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
                packet_filter |= IFF_MULTICAST;
                self->mc_list.count = i;
                self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c 
b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index d1e1a0ba8615..7134d0d4cdf7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -172,6 +172,27 @@ bool aq_ring_tx_clean(struct aq_ring_s *self)
        return !!budget;
 }
 
+static void aq_rx_checksum(struct aq_ring_s *self,
+                          struct aq_ring_buff_s *buff,
+                          struct sk_buff *skb)
+{
+       if (!(self->aq_nic->ndev->features & NETIF_F_RXCSUM))
+               return;
+
+       if (unlikely(buff->is_cso_err)) {
+               ++self->stats.rx.errors;
+               skb->ip_summed = CHECKSUM_NONE;
+               return;
+       }
+       if (buff->is_ip_cso) {
+               __skb_incr_checksum_unnecessary(skb);
+               if (buff->is_udp_cso || buff->is_tcp_cso)
+                       __skb_incr_checksum_unnecessary(skb);
+       } else {
+               skb->ip_summed = CHECKSUM_NONE;
+       }
+}
+
 #define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
 int aq_ring_rx_clean(struct aq_ring_s *self,
                     struct napi_struct *napi,
@@ -267,18 +288,8 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
                }
 
                skb->protocol = eth_type_trans(skb, ndev);
-               if (unlikely(buff->is_cso_err)) {
-                       ++self->stats.rx.errors;
-                       skb->ip_summed = CHECKSUM_NONE;
-               } else {
-                       if (buff->is_ip_cso) {
-                               __skb_incr_checksum_unnecessary(skb);
-                               if (buff->is_udp_cso || buff->is_tcp_cso)
-                                       __skb_incr_checksum_unnecessary(skb);
-                       } else {
-                               skb->ip_summed = CHECKSUM_NONE;
-                       }
-               }
+
+               aq_rx_checksum(self, buff, skb);
 
                skb_set_hash(skb, buff->rss_hash,
                             buff->is_hash_l4 ? PKT_HASH_TYPE_L4 :
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 1d44a386e7d3..88705dee5b95 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -655,9 +655,9 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s 
*self,
                struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *)
                        &ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE];
 
-               unsigned int is_err = 1U;
                unsigned int is_rx_check_sum_enabled = 0U;
                unsigned int pkt_type = 0U;
+               u8 rx_stat = 0U;
 
                if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
                        break;
@@ -665,35 +665,35 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s 
*self,
 
                buff = &ring->buff_ring[ring->hw_head];
 
-               is_err = (0x0000003CU & rxd_wb->status);
+               rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
 
                is_rx_check_sum_enabled = (rxd_wb->type) & (0x3U << 19);
-               is_err &= ~0x20U; /* exclude validity bit */
 
                pkt_type = 0xFFU & (rxd_wb->type >> 4);
 
-               if (is_rx_check_sum_enabled) {
-                       if (0x0U == (pkt_type & 0x3U))
-                               buff->is_ip_cso = (is_err & 0x08U) ? 0U : 1U;
+               if (is_rx_check_sum_enabled & BIT(0) &&
+                   (0x0U == (pkt_type & 0x3U)))
+                       buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U;
 
+               if (is_rx_check_sum_enabled & BIT(1)) {
                        if (0x4U == (pkt_type & 0x1CU))
-                               buff->is_udp_cso = buff->is_cso_err ? 0U : 1U;
+                               buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U :
+                                                  !!(rx_stat & BIT(3));
                        else if (0x0U == (pkt_type & 0x1CU))
-                               buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U;
-
-                       /* Checksum offload workaround for small packets */
-                       if (rxd_wb->pkt_len <= 60) {
-                               buff->is_ip_cso = 0U;
-                               buff->is_cso_err = 0U;
-                       }
+                               buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U :
+                                                  !!(rx_stat & BIT(3));
+               }
+               buff->is_cso_err = !!(rx_stat & 0x6);
+               /* Checksum offload workaround for small packets */
+               if (unlikely(rxd_wb->pkt_len <= 60)) {
+                       buff->is_ip_cso = 0U;
+                       buff->is_cso_err = 0U;
                }
-
-               is_err &= ~0x18U;
 
                dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE);
 
-               if (is_err || rxd_wb->type & 0x1000U) {
-                       /* status error or DMA error */
+               if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
+                       /* MAC error or DMA error */
                        buff->is_error = 1U;
                } else {
                        if (self->aq_nic_cfg->is_rss) {
@@ -915,6 +915,12 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct 
aq_hw_s *self)
 static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
 {
        hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
+
+       /* Invalidate Descriptor Cache to prevent writing to the cached
+        * descriptors and to the data pointer of those descriptors
+        */
+       hw_atl_rdm_rx_dma_desc_cache_init_set(self, 1);
+
        return aq_hw_err_from_flags(self);
 }
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index 10ba035dadb1..10ec5dc88e24 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -619,6 +619,14 @@ void hw_atl_rpb_rx_flow_ctl_mode_set(struct aq_hw_s 
*aq_hw, u32 rx_flow_ctl_mode
                            HW_ATL_RPB_RX_FC_MODE_SHIFT, rx_flow_ctl_mode);
 }
 
+void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init)
+{
+       aq_hw_write_reg_bit(aq_hw, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR,
+                           HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK,
+                           HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT,
+                           init);
+}
+
 void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw,
                                            u32 rx_pkt_buff_size_per_tc, u32 
buffer)
 {
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
index dfb426f2dc2c..b3bf64b48b93 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
@@ -325,6 +325,9 @@ void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s 
*aq_hw,
                                            u32 rx_pkt_buff_size_per_tc,
                                            u32 buffer);
 
+/* set rdm rx dma descriptor cache init */
+void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init);
+
 /* set rx xoff enable (per tc) */
 void hw_atl_rpb_rx_xoff_en_per_tc_set(struct aq_hw_s *aq_hw, u32 
rx_xoff_en_per_tc,
                                      u32 buffer);
diff --git 
a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h 
b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index e0cf70120f1d..e2ecdb1c5a5c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -293,6 +293,24 @@
 /* default value of bitfield desc{d}_reset */
 #define HW_ATL_RDM_DESCDRESET_DEFAULT 0x0
 
+/* rdm_desc_init_i bitfield definitions
+ * preprocessor definitions for the bitfield rdm_desc_init_i.
+ * port="pif_rdm_desc_init_i"
+ */
+
+/* register address for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR 0x00005a00
+/* bitmask for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK 0xffffffff
+/* inverted bitmask for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSKN 0x00000000
+/* lower bit position of bitfield  rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT 0
+/* width of bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_WIDTH 32
+/* default value of bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_DEFAULT 0x0
+
 /* rx int_desc_wrb_en bitfield definitions
  * preprocessor definitions for the bitfield "int_desc_wrb_en".
  * port="pif_rdm_int_desc_wrb_en_i"
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index ac13cb2b168e..68026a5ad7e7 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -304,6 +304,10 @@ int hclge_cmd_queue_init(struct hclge_dev *hdev)
 {
        int ret;
 
+       /* Setup the lock for command queue */
+       spin_lock_init(&hdev->hw.cmq.csq.lock);
+       spin_lock_init(&hdev->hw.cmq.crq.lock);
+
        /* Setup the queue entries for use cmd queue */
        hdev->hw.cmq.csq.desc_num = HCLGE_NIC_CMQ_DESC_NUM;
        hdev->hw.cmq.crq.desc_num = HCLGE_NIC_CMQ_DESC_NUM;
@@ -337,18 +341,20 @@ int hclge_cmd_init(struct hclge_dev *hdev)
        u32 version;
        int ret;
 
+       spin_lock_bh(&hdev->hw.cmq.csq.lock);
+       spin_lock_bh(&hdev->hw.cmq.crq.lock);
+
        hdev->hw.cmq.csq.next_to_clean = 0;
        hdev->hw.cmq.csq.next_to_use = 0;
        hdev->hw.cmq.crq.next_to_clean = 0;
        hdev->hw.cmq.crq.next_to_use = 0;
 
-       /* Setup the lock for command queue */
-       spin_lock_init(&hdev->hw.cmq.csq.lock);
-       spin_lock_init(&hdev->hw.cmq.crq.lock);
-
        hclge_cmd_init_regs(&hdev->hw);
        clear_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
 
+       spin_unlock_bh(&hdev->hw.cmq.crq.lock);
+       spin_unlock_bh(&hdev->hw.cmq.csq.lock);
+
        ret = hclge_cmd_query_firmware_version(&hdev->hw, &version);
        if (ret) {
                dev_err(&hdev->pdev->dev,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index db763450e5e3..340baf6a470c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2804,14 +2804,17 @@ static void hclge_reset(struct hclge_dev *hdev)
        handle = &hdev->vport[0].nic;
        rtnl_lock();
        hclge_notify_client(hdev, HNAE3_DOWN_CLIENT);
+       rtnl_unlock();
 
        if (!hclge_reset_wait(hdev)) {
+               rtnl_lock();
                hclge_notify_client(hdev, HNAE3_UNINIT_CLIENT);
                hclge_reset_ae_dev(hdev->ae_dev);
                hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
 
                hclge_clear_reset_cause(hdev);
        } else {
+               rtnl_lock();
                /* schedule again to check pending resets later */
                set_bit(hdev->reset_type, &hdev->reset_pending);
                hclge_reset_task_schedule(hdev);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index f34851c91eb3..e08e82020402 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -458,6 +458,12 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
 
        /* handle all the mailbox requests in the queue */
        while (!hclge_cmd_crq_empty(&hdev->hw)) {
+               if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) {
+                       dev_warn(&hdev->pdev->dev,
+                                "command queue needs re-initializing\n");
+                       return;
+               }
+
                desc = &crq->desc[crq->next_to_use];
                req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
index 5db70a1451c5..48235dc2dd56 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c
@@ -1167,14 +1167,14 @@ static int hclge_pfc_setup_hw(struct hclge_dev *hdev)
  */
 static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 tc)
 {
-       struct hclge_vport *vport = hdev->vport;
-       u32 i, k, qs_bitmap;
-       int ret;
+       int i;
 
        for (i = 0; i < HCLGE_BP_GRP_NUM; i++) {
-               qs_bitmap = 0;
+               u32 qs_bitmap = 0;
+               int k, ret;
 
                for (k = 0; k < hdev->num_alloc_vport; k++) {
+                       struct hclge_vport *vport = &hdev->vport[k];
                        u16 qs_id = vport->qs_offset + tc;
                        u8 grp, sub_grp;
 
@@ -1184,8 +1184,6 @@ static int hclge_bp_setup_hw(struct hclge_dev *hdev, u8 
tc)
                                                  HCLGE_BP_SUB_GRP_ID_S);
                        if (i == grp)
                                qs_bitmap |= (1 << sub_grp);
-
-                       vport++;
                }
 
                ret = hclge_tm_qs_bp_cfg(hdev, tc, i, qs_bitmap);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c 
b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 320043e87fc6..5570fb5dc2eb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1065,6 +1065,8 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)
        /* bring down the nic to stop any ongoing TX/RX */
        hclgevf_notify_client(hdev, HNAE3_DOWN_CLIENT);
 
+       rtnl_unlock();
+
        /* check if VF could successfully fetch the hardware reset completion
         * status from the hardware
         */
@@ -1076,12 +1078,15 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)
                        ret);
 
                dev_warn(&hdev->pdev->dev, "VF reset failed, disabling VF!\n");
+               rtnl_lock();
                hclgevf_notify_client(hdev, HNAE3_UNINIT_CLIENT);
 
                rtnl_unlock();
                return ret;
        }
 
+       rtnl_lock();
+
        /* now, re-initialize the nic client and ae device*/
        ret = hclgevf_reset_stack(hdev);
        if (ret)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ac685ad4d877..6eccfa82ca94 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -11926,6 +11926,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
                          NETIF_F_GSO_GRE               |
                          NETIF_F_GSO_GRE_CSUM          |
                          NETIF_F_GSO_PARTIAL           |
+                         NETIF_F_GSO_IPXIP4            |
+                         NETIF_F_GSO_IPXIP6            |
                          NETIF_F_GSO_UDP_TUNNEL        |
                          NETIF_F_GSO_UDP_TUNNEL_CSUM   |
                          NETIF_F_SCTP_CRC              |
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c 
b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 9d6754f65a1a..4c5c87b158f5 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -797,10 +797,15 @@ ice_set_pauseparam(struct net_device *netdev, struct 
ethtool_pauseparam *pause)
        }
 
        if (!test_bit(__ICE_DOWN, pf->state)) {
-               /* Give it a little more time to try to come back */
+               /* Give it a little more time to try to come back. If still
+                * down, restart autoneg link or reinitialize the interface.
+                */
                msleep(75);
                if (!test_bit(__ICE_DOWN, pf->state))
                        return ice_nway_reset(netdev);
+
+               ice_down(vsi);
+               ice_up(vsi);
        }
 
        return err;
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c 
b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 6481e3d86374..0c95c8f83432 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -1519,7 +1519,7 @@ int ice_tso(struct ice_tx_buf *first, struct 
ice_tx_offload_params *off)
 
        /* update gso_segs and bytecount */
        first->gso_segs = skb_shinfo(skb)->gso_segs;
-       first->bytecount = (first->gso_segs - 1) * off->header_len;
+       first->bytecount += (first->gso_segs - 1) * off->header_len;
 
        cd_tso_len = skb->len - off->header_len;
        cd_mss = skb_shinfo(skb)->gso_size;
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h 
b/drivers/net/ethernet/intel/ice/ice_type.h
index 97c366e0ca59..ba11b5898833 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -83,12 +83,12 @@ struct ice_link_status {
        u64 phy_type_low;
        u16 max_frame_size;
        u16 link_speed;
+       u16 req_speeds;
        u8 lse_ena;     /* Link Status Event notification */
        u8 link_info;
        u8 an_info;
        u8 ext_info;
        u8 pacing;
-       u8 req_speeds;
        /* Refer to #define from module_type[ICE_MODULE_TYPE_TOTAL_BYTE] of
         * ice_aqc_get_phy_caps structure
         */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 3c6f01c41b78..eea63a99f29c 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -721,8 +721,10 @@ static inline void ixgbe_vf_reset_event(struct 
ixgbe_adapter *adapter, u32 vf)
                        ixgbe_set_vmvir(adapter, vfinfo->pf_vlan,
                                        adapter->default_up, vf);
 
-               if (vfinfo->spoofchk_enabled)
+               if (vfinfo->spoofchk_enabled) {
                        hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+                       hw->mac.ops.set_mac_anti_spoofing(hw, true, vf);
+               }
        }
 
        /* reset multicast table array for vf */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_fcoe.c 
b/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
index cc1b373c0ace..46dc93d3b9b5 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
@@ -147,7 +147,8 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
                       "Cannot satisfy CQ amount. CQs requested %d, CQs 
available %d. Aborting function start\n",
                       fcoe_pf_params->num_cqs,
                       p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
-               return -EINVAL;
+               rc = -EINVAL;
+               goto err;
        }
 
        p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
@@ -156,14 +157,14 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
 
        rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
        if (rc)
-               return rc;
+               goto err;
 
        cxt_info.iid = dummy_cid;
        rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
        if (rc) {
                DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
                          dummy_cid);
-               return rc;
+               goto err;
        }
        p_cxt = cxt_info.p_cxt;
        SET_FIELD(p_cxt->tstorm_ag_context.flags3,
@@ -240,6 +241,10 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
        rc = qed_spq_post(p_hwfn, p_ent, NULL);
 
        return rc;
+
+err:
+       qed_sp_destroy_request(p_hwfn, p_ent);
+       return rc;
 }
 
 static int
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c 
b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
index 1135387bd99d..4f8a685d1a55 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
@@ -200,6 +200,7 @@ qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn,
                       "Cannot satisfy CQ amount. Queues requested %d, CQs 
available %d. Aborting function start\n",
                       p_params->num_queues,
                       p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]);
+               qed_sp_destroy_request(p_hwfn, p_ent);
                return -EINVAL;
        }
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c 
b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index 82a1bd1f8a8c..67c02ea93906 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -740,8 +740,7 @@ int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
 
        rc = qed_sp_vport_update_rss(p_hwfn, p_ramrod, p_rss_params);
        if (rc) {
-               /* Return spq entry which is taken in qed_sp_init_request()*/
-               qed_spq_return_entry(p_hwfn, p_ent);
+               qed_sp_destroy_request(p_hwfn, p_ent);
                return rc;
        }
 
@@ -1355,6 +1354,7 @@ qed_filter_ucast_common(struct qed_hwfn *p_hwfn,
                        DP_NOTICE(p_hwfn,
                                  "%d is not supported yet\n",
                                  p_filter_cmd->opcode);
+                       qed_sp_destroy_request(p_hwfn, *pp_ent);
                        return -EINVAL;
                }
 
@@ -2056,13 +2056,13 @@ qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
        } else {
                rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_vport_id);
                if (rc)
-                       return rc;
+                       goto err;
 
                if (p_params->qid != QED_RFS_NTUPLE_QID_RSS) {
                        rc = qed_fw_l2_queue(p_hwfn, p_params->qid,
                                             &abs_rx_q_id);
                        if (rc)
-                               return rc;
+                               goto err;
 
                        p_ramrod->rx_qid_valid = 1;
                        p_ramrod->rx_qid = cpu_to_le16(abs_rx_q_id);
@@ -2083,6 +2083,10 @@ qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
                   (u64)p_params->addr, p_params->length);
 
        return qed_spq_post(p_hwfn, p_ent, NULL);
+
+err:
+       qed_sp_destroy_request(p_hwfn, p_ent);
+       return rc;
 }
 
 int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c 
b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index c71391b9c757..62113438c880 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -1514,6 +1514,7 @@ qed_rdma_register_tid(void *rdma_cxt,
        default:
                rc = -EINVAL;
                DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
+               qed_sp_destroy_request(p_hwfn, p_ent);
                return rc;
        }
        SET_FIELD(p_ramrod->flags1,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c 
b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index f9167d1354bb..e49fada85410 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -745,6 +745,7 @@ static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn 
*p_hwfn,
                DP_NOTICE(p_hwfn,
                          "qed destroy responder failed: cannot allocate memory 
(ramrod). rc = %d\n",
                          rc);
+               qed_sp_destroy_request(p_hwfn, p_ent);
                return rc;
        }
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h 
b/drivers/net/ethernet/qlogic/qed/qed_sp.h
index e95431f6acd4..3157c0d99441 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -167,6 +167,9 @@ struct qed_spq_entry {
        enum spq_mode                   comp_mode;
        struct qed_spq_comp_cb          comp_cb;
        struct qed_spq_comp_done        comp_done; /* SPQ_MODE_EBLOCK */
+
+       /* Posted entry for unlimited list entry in EBLOCK mode */
+       struct qed_spq_entry            *post_ent;
 };
 
 struct qed_eq {
@@ -396,6 +399,17 @@ struct qed_sp_init_data {
        struct qed_spq_comp_cb *p_comp_data;
 };
 
+/**
+ * @brief Returns a SPQ entry to the pool / frees the entry if allocated.
+ *        Should be called on in error flows after initializing the SPQ entry
+ *        and before posting it.
+ *
+ * @param p_hwfn
+ * @param p_ent
+ */
+void qed_sp_destroy_request(struct qed_hwfn *p_hwfn,
+                           struct qed_spq_entry *p_ent);
+
 int qed_sp_init_request(struct qed_hwfn *p_hwfn,
                        struct qed_spq_entry **pp_ent,
                        u8 cmd,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c 
b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
index 77b6248ad3b9..888274fa208b 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
@@ -47,6 +47,19 @@
 #include "qed_sp.h"
 #include "qed_sriov.h"
 
+void qed_sp_destroy_request(struct qed_hwfn *p_hwfn,
+                           struct qed_spq_entry *p_ent)
+{
+       /* qed_spq_get_entry() can either get an entry from the free_pool,
+        * or, if no entries are left, allocate a new entry and add it to
+        * the unlimited_pending list.
+        */
+       if (p_ent->queue == &p_hwfn->p_spq->unlimited_pending)
+               kfree(p_ent);
+       else
+               qed_spq_return_entry(p_hwfn, p_ent);
+}
+
 int qed_sp_init_request(struct qed_hwfn *p_hwfn,
                        struct qed_spq_entry **pp_ent,
                        u8 cmd, u8 protocol, struct qed_sp_init_data *p_data)
@@ -80,7 +93,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
 
        case QED_SPQ_MODE_BLOCK:
                if (!p_data->p_comp_data)
-                       return -EINVAL;
+                       goto err;
 
                p_ent->comp_cb.cookie = p_data->p_comp_data->cookie;
                break;
@@ -95,7 +108,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
        default:
                DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
                          p_ent->comp_mode);
-               return -EINVAL;
+               goto err;
        }
 
        DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
@@ -109,6 +122,11 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
        memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod));
 
        return 0;
+
+err:
+       qed_sp_destroy_request(p_hwfn, p_ent);
+
+       return -EINVAL;
 }
 
 static enum tunnel_clss qed_tunn_clss_to_fw_clss(u8 type)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c 
b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index 1673fc90027f..7106ad17afe2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -142,6 +142,7 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
 
        DP_INFO(p_hwfn, "Ramrod is stuck, requesting MCP drain\n");
        rc = qed_mcp_drain(p_hwfn, p_ptt);
+       qed_ptt_release(p_hwfn, p_ptt);
        if (rc) {
                DP_NOTICE(p_hwfn, "MCP drain failed\n");
                goto err;
@@ -150,18 +151,15 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
        /* Retry after drain */
        rc = __qed_spq_block(p_hwfn, p_ent, p_fw_ret, true);
        if (!rc)
-               goto out;
+               return 0;
 
        comp_done = (struct qed_spq_comp_done *)p_ent->comp_cb.cookie;
-       if (comp_done->done == 1)
+       if (comp_done->done == 1) {
                if (p_fw_ret)
                        *p_fw_ret = comp_done->fw_return_code;
-out:
-       qed_ptt_release(p_hwfn, p_ptt);
-       return 0;
-
+               return 0;
+       }
 err:
-       qed_ptt_release(p_hwfn, p_ptt);
        DP_NOTICE(p_hwfn,
                  "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo 
%04x]\n",
                  le32_to_cpu(p_ent->elem.hdr.cid),
@@ -685,6 +683,8 @@ static int qed_spq_add_entry(struct qed_hwfn *p_hwfn,
                        /* EBLOCK responsible to free the allocated p_ent */
                        if (p_ent->comp_mode != QED_SPQ_MODE_EBLOCK)
                                kfree(p_ent);
+                       else
+                               p_ent->post_ent = p_en2;
 
                        p_ent = p_en2;
                }
@@ -768,6 +768,25 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
                                 SPQ_HIGH_PRI_RESERVE_DEFAULT);
 }
 
+/* Avoid overriding of SPQ entries when getting out-of-order completions, by
+ * marking the completions in a bitmap and increasing the chain consumer only
+ * for the first successive completed entries.
+ */
+static void qed_spq_comp_bmap_update(struct qed_hwfn *p_hwfn, __le16 echo)
+{
+       u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
+       struct qed_spq *p_spq = p_hwfn->p_spq;
+
+       __set_bit(pos, p_spq->p_comp_bitmap);
+       while (test_bit(p_spq->comp_bitmap_idx,
+                       p_spq->p_comp_bitmap)) {
+               __clear_bit(p_spq->comp_bitmap_idx,
+                           p_spq->p_comp_bitmap);
+               p_spq->comp_bitmap_idx++;
+               qed_chain_return_produced(&p_spq->chain);
+       }
+}
+
 int qed_spq_post(struct qed_hwfn *p_hwfn,
                 struct qed_spq_entry *p_ent, u8 *fw_return_code)
 {
@@ -825,11 +844,12 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
                                   p_ent->queue == &p_spq->unlimited_pending);
 
                if (p_ent->queue == &p_spq->unlimited_pending) {
-                       /* This is an allocated p_ent which does not need to
-                        * return to pool.
-                        */
+                       struct qed_spq_entry *p_post_ent = p_ent->post_ent;
+
                        kfree(p_ent);
-                       return rc;
+
+                       /* Return the entry which was actually posted */
+                       p_ent = p_post_ent;
                }
 
                if (rc)
@@ -843,7 +863,7 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
 spq_post_fail2:
        spin_lock_bh(&p_spq->lock);
        list_del(&p_ent->list);
-       qed_chain_return_produced(&p_spq->chain);
+       qed_spq_comp_bmap_update(p_hwfn, p_ent->elem.hdr.echo);
 
 spq_post_fail:
        /* return to the free pool */
@@ -875,25 +895,8 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
        spin_lock_bh(&p_spq->lock);
        list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending, list) {
                if (p_ent->elem.hdr.echo == echo) {
-                       u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
-
                        list_del(&p_ent->list);
-
-                       /* Avoid overriding of SPQ entries when getting
-                        * out-of-order completions, by marking the completions
-                        * in a bitmap and increasing the chain consumer only
-                        * for the first successive completed entries.
-                        */
-                       __set_bit(pos, p_spq->p_comp_bitmap);
-
-                       while (test_bit(p_spq->comp_bitmap_idx,
-                                       p_spq->p_comp_bitmap)) {
-                               __clear_bit(p_spq->comp_bitmap_idx,
-                                           p_spq->p_comp_bitmap);
-                               p_spq->comp_bitmap_idx++;
-                               qed_chain_return_produced(&p_spq->chain);
-                       }
-
+                       qed_spq_comp_bmap_update(p_hwfn, echo);
                        p_spq->comp_count++;
                        found = p_ent;
                        break;
@@ -932,11 +935,9 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
                           QED_MSG_SPQ,
                           "Got a completion without a callback function\n");
 
-       if ((found->comp_mode != QED_SPQ_MODE_EBLOCK) ||
-           (found->queue == &p_spq->unlimited_pending))
+       if (found->comp_mode != QED_SPQ_MODE_EBLOCK)
                /* EBLOCK  is responsible for returning its own entry into the
-                * free list, unless it originally added the entry into the
-                * unlimited pending list.
+                * free list.
                 */
                qed_spq_return_entry(p_hwfn, found);
 
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c 
b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index 9b08a9d9e151..ca6290fa0f30 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -101,6 +101,7 @@ static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct 
qed_vf_info *p_vf)
        default:
                DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
                          p_hwfn->hw_info.personality);
+               qed_sp_destroy_request(p_hwfn, p_ent);
                return -EINVAL;
        }
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h 
b/drivers/net/ethernet/stmicro/stmmac/common.h
index b1b305f8f414..272b9ca66314 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -365,7 +365,8 @@ struct dma_features {
 
 /* GMAC TX FIFO is 8K, Rx FIFO is 16K */
 #define BUF_SIZE_16KiB 16384
-#define BUF_SIZE_8KiB 8192
+/* RX Buffer size must be < 8191 and multiple of 4/8/16 bytes */
+#define BUF_SIZE_8KiB 8188
 #define BUF_SIZE_4KiB 4096
 #define BUF_SIZE_2KiB 2048
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h 
b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
index ca9d7e48034c..40d6356a7e73 100644
--- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h
+++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
@@ -31,7 +31,7 @@
 /* Enhanced descriptors */
 static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end)
 {
-       p->des1 |= cpu_to_le32(((BUF_SIZE_8KiB - 1)
+       p->des1 |= cpu_to_le32((BUF_SIZE_8KiB
                        << ERDES1_BUFFER2_SIZE_SHIFT)
                   & ERDES1_BUFFER2_SIZE_MASK);
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c 
b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index 77914c89d749..5ef91a790f9d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -262,7 +262,7 @@ static void enh_desc_init_rx_desc(struct dma_desc *p, int 
disable_rx_ic,
                                  int mode, int end)
 {
        p->des0 |= cpu_to_le32(RDES0_OWN);
-       p->des1 |= cpu_to_le32((BUF_SIZE_8KiB - 1) & ERDES1_BUFFER1_SIZE_MASK);
+       p->des1 |= cpu_to_le32(BUF_SIZE_8KiB & ERDES1_BUFFER1_SIZE_MASK);
 
        if (mode == STMMAC_CHAIN_MODE)
                ehn_desc_rx_set_on_chain(p);
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c 
b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index a7ffc73fffe8..bc83ced94e1b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -140,7 +140,7 @@ static void clean_desc3(void *priv_ptr, struct dma_desc *p)
 static int set_16kib_bfsize(int mtu)
 {
        int ret = 0;
-       if (unlikely(mtu >= BUF_SIZE_8KiB))
+       if (unlikely(mtu > BUF_SIZE_8KiB))
                ret = BUF_SIZE_16KiB;
        return ret;
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c 
b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index 5da7bfbe907f..14e8c575f6c3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -757,10 +757,10 @@ __mt76x0_phy_set_channel(struct mt76x0_dev *dev,
        /* Vendor driver don't do it */
        /* mt76x0_phy_set_tx_power(dev, channel, rf_bw_band); */
 
+       mt76x0_vco_cal(dev, channel);
        if (scan)
-               mt76x0_vco_cal(dev, channel);
+               mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1);
 
-       mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1);
        mt76x0_phy_set_chan_pwr(dev, channel);
 
        dev->mt76.chandef = *chandef;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6bb9908bf46f..0ba301f7e8b4 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1519,8 +1519,10 @@ static void __nvme_revalidate_disk(struct gendisk *disk, 
struct nvme_id_ns *id)
        if (ns->ndev)
                nvme_nvm_update_nvm_info(ns);
 #ifdef CONFIG_NVME_MULTIPATH
-       if (ns->head->disk)
+       if (ns->head->disk) {
                nvme_update_disk_info(ns->head->disk, ns, id);
+               blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
+       }
 #endif
 }
 
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index b71c9ad1bf45..c27af277e14e 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -257,6 +257,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct 
nvme_ns_head *head)
        blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
        /* set to a default value for 512 until disk is validated */
        blk_queue_logical_block_size(q, 512);
+       blk_set_stacking_limits(&q->limits);
 
        /* we need to propagate up the VMC settings */
        if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 5957cd4fa262..40b9051a7fce 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -149,9 +149,11 @@ int of_dma_configure(struct device *dev, struct 
device_node *np, bool force_dma)
         * set by the driver.
         */
        mask = DMA_BIT_MASK(ilog2(dma_addr + size - 1) + 1);
-       dev->bus_dma_mask = mask;
        dev->coherent_dma_mask &= mask;
        *dev->dma_mask &= mask;
+       /* ...but only set bus mask if we found valid dma-ranges earlier */
+       if (!ret)
+               dev->bus_dma_mask = mask;
 
        coherent = of_dma_is_coherent(np);
        dev_dbg(dev, "device is%sdma coherent\n",
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index ea22591ee66f..53dfe67807e3 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -233,6 +233,7 @@ static const struct bios_settings bios_tbl[] = {
        {"Gateway", "LT31",   "v1.3201",  0x55, 0x58, {0x9e, 0x00}, 0},
        {"Gateway", "LT31",   "v1.3302",  0x55, 0x58, {0x9e, 0x00}, 0},
        {"Gateway", "LT31",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00}, 0},
+       {"Gateway", "LT31",   "v1.3307",  0x55, 0x58, {0x9e, 0x00}, 0},
        /* Packard Bell */
        {"Packard Bell", "DOA150",  "v0.3104",  0x55, 0x58, {0x21, 0x00}, 0},
        {"Packard Bell", "DOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00}, 0},
diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c 
b/drivers/platform/x86/intel_telemetry_debugfs.c
index ffd0474b0531..1423fa8710fd 100644
--- a/drivers/platform/x86/intel_telemetry_debugfs.c
+++ b/drivers/platform/x86/intel_telemetry_debugfs.c
@@ -951,12 +951,16 @@ static int __init telemetry_debugfs_init(void)
        debugfs_conf = (struct telemetry_debugfs_conf *)id->driver_data;
 
        err = telemetry_pltconfig_valid();
-       if (err < 0)
+       if (err < 0) {
+               pr_info("Invalid pltconfig, ensure IPC1 device is enabled in 
BIOS\n");
                return -ENODEV;
+       }
 
        err = telemetry_debugfs_check_evts();
-       if (err < 0)
+       if (err < 0) {
+               pr_info("telemetry_debugfs_check_evts failed\n");
                return -EINVAL;
+       }
 
        register_pm_notifier(&pm_notifier);
 
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 34e0d476c5c6..970654fcc48d 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -826,6 +826,11 @@ struct qeth_trap_id {
 /*some helper functions*/
 #define QETH_CARD_IFNAME(card) (((card)->dev)? (card)->dev->name : "")
 
+static inline bool qeth_netdev_is_registered(struct net_device *dev)
+{
+       return dev->netdev_ops != NULL;
+}
+
 static inline void qeth_scrub_qdio_buffer(struct qdio_buffer *buf,
                                          unsigned int elements)
 {
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index b5e38531733f..76b2fba5fba2 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -854,7 +854,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device 
*cgdev)
 
        if (cgdev->state == CCWGROUP_ONLINE)
                qeth_l2_set_offline(cgdev);
-       unregister_netdev(card->dev);
+       if (qeth_netdev_is_registered(card->dev))
+               unregister_netdev(card->dev);
 }
 
 static const struct ethtool_ops qeth_l2_ethtool_ops = {
@@ -894,7 +895,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
 {
        int rc;
 
-       if (card->dev->netdev_ops)
+       if (qeth_netdev_is_registered(card->dev))
                return 0;
 
        card->dev->priv_flags |= IFF_UNICAST_FLT;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index ada258c01a08..b7f6a8384543 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -279,9 +279,6 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, 
int recover)
 
        QETH_CARD_TEXT(card, 4, "clearip");
 
-       if (recover && card->options.sniffer)
-               return;
-
        spin_lock_bh(&card->ip_lock);
 
        hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) {
@@ -664,6 +661,8 @@ static int qeth_l3_register_addr_entry(struct qeth_card 
*card,
        int rc = 0;
        int cnt = 3;
 
+       if (card->options.sniffer)
+               return 0;
 
        if (addr->proto == QETH_PROT_IPV4) {
                QETH_CARD_TEXT(card, 2, "setaddr4");
@@ -698,6 +697,9 @@ static int qeth_l3_deregister_addr_entry(struct qeth_card 
*card,
 {
        int rc = 0;
 
+       if (card->options.sniffer)
+               return 0;
+
        if (addr->proto == QETH_PROT_IPV4) {
                QETH_CARD_TEXT(card, 2, "deladdr4");
                QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int));
@@ -2512,7 +2514,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
 {
        int rc;
 
-       if (card->dev->netdev_ops)
+       if (qeth_netdev_is_registered(card->dev))
                return 0;
 
        if (card->info.type == QETH_CARD_TYPE_OSD ||
@@ -2609,7 +2611,8 @@ static void qeth_l3_remove_device(struct ccwgroup_device 
*cgdev)
        if (cgdev->state == CCWGROUP_ONLINE)
                qeth_l3_set_offline(cgdev);
 
-       unregister_netdev(card->dev);
+       if (qeth_netdev_is_registered(card->dev))
+               unregister_netdev(card->dev);
        qeth_l3_clear_ip_htable(card, 0);
        qeth_l3_clear_ipato_list(card);
 }
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 3649b83ef863..effba6ce0caa 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1614,10 +1614,10 @@ static void sci_request_dma(struct uart_port *port)
                hrtimer_init(&s->rx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
                s->rx_timer.function = rx_timer_fn;
 
+               s->chan_rx_saved = s->chan_rx = chan;
+
                if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
                        sci_submit_rx(s);
-
-               s->chan_rx_saved = s->chan_rx = chan;
        }
 }
 
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 9916edda5271..2762148c169d 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -959,6 +959,8 @@ int __uio_register_device(struct module *owner,
        if (ret)
                goto err_uio_dev_add_attributes;
 
+       info->uio_dev = idev;
+
        if (info->irq && (info->irq != UIO_IRQ_CUSTOM)) {
                /*
                 * Note that we deliberately don't use devm_request_irq
@@ -970,11 +972,12 @@ int __uio_register_device(struct module *owner,
                 */
                ret = request_irq(info->irq, uio_interrupt,
                                  info->irq_flags, info->name, idev);
-               if (ret)
+               if (ret) {
+                       info->uio_dev = NULL;
                        goto err_request_irq;
+               }
        }
 
-       info->uio_dev = idev;
        return 0;
 
 err_request_irq:
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 9ede35cecb12..40c64c7ab5e4 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1711,6 +1711,9 @@ static const struct usb_device_id acm_ids[] = {
        { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },
+       { USB_DEVICE(0x0572, 0x1349), /* Hiro (Conexant) USB MODEM H50228 */
+       .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+       },
        { USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */
        .driver_info = QUIRK_CONTROL_LINE_STATE, },
        { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 462ce49f683a..6e0823790bee 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2791,6 +2791,7 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
        int i, status;
        u16 portchange, portstatus;
        struct usb_port *port_dev = hub->ports[port1 - 1];
+       int reset_recovery_time;
 
        if (!hub_is_superspeed(hub->hdev)) {
                if (warm) {
@@ -2882,11 +2883,18 @@ static int hub_port_reset(struct usb_hub *hub, int 
port1,
 
 done:
        if (status == 0) {
-               /* TRSTRCY = 10 ms; plus some extra */
                if (port_dev->quirks & USB_PORT_QUIRK_FAST_ENUM)
                        usleep_range(10000, 12000);
-               else
-                       msleep(10 + 40);
+               else {
+                       /* TRSTRCY = 10 ms; plus some extra */
+                       reset_recovery_time = 10 + 40;
+
+                       /* Hub needs extra delay after resetting its port. */
+                       if (hub->hdev->quirks & USB_QUIRK_HUB_SLOW_RESET)
+                               reset_recovery_time += 100;
+
+                       msleep(reset_recovery_time);
+               }
 
                if (udev) {
                        struct usb_hcd *hcd = bus_to_hcd(udev->bus);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 178d6c6063c0..f9ff03e6af93 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -128,6 +128,9 @@ static int quirks_param_set(const char *val, const struct 
kernel_param *kp)
                        case 'n':
                                flags |= USB_QUIRK_DELAY_CTRL_MSG;
                                break;
+                       case 'o':
+                               flags |= USB_QUIRK_HUB_SLOW_RESET;
+                               break;
                        /* Ignore unrecognized flag characters */
                        }
                }
@@ -380,6 +383,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
                        USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+       /* Terminus Technology Inc. Hub */
+       { USB_DEVICE(0x1a40, 0x0101), .driver_info = USB_QUIRK_HUB_SLOW_RESET },
+
        /* Corsair K70 RGB */
        { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
 
@@ -391,6 +397,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
          USB_QUIRK_DELAY_CTRL_MSG },
 
+       /* Corsair K70 LUX RGB */
+       { USB_DEVICE(0x1b1c, 0x1b33), .driver_info = USB_QUIRK_DELAY_INIT },
+
        /* Corsair K70 LUX */
        { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
 
@@ -411,6 +420,11 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x2040, 0x7200), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },
 
+       /* Raydium Touchscreen */
+       { USB_DEVICE(0x2386, 0x3114), .driver_info = USB_QUIRK_NO_LPM },
+
+       { USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
+
        /* DJI CineSSD */
        { USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index d746c26a8055..6a0c60badfa0 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -50,6 +50,7 @@ static const struct usb_device_id appledisplay_table[] = {
        { APPLEDISPLAY_DEVICE(0x9219) },
        { APPLEDISPLAY_DEVICE(0x921c) },
        { APPLEDISPLAY_DEVICE(0x921d) },
+       { APPLEDISPLAY_DEVICE(0x9222) },
        { APPLEDISPLAY_DEVICE(0x9236) },
 
        /* Terminating entry */
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 84575baceebc..97341fa75458 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -914,7 +914,7 @@ int gnttab_dma_free_pages(struct gnttab_dma_alloc_args 
*args)
 
        ret = xenmem_reservation_increase(args->nr_pages, args->frames);
        if (ret != args->nr_pages) {
-               pr_debug("Failed to decrease reservation for DMA buffer\n");
+               pr_debug("Failed to increase reservation for DMA buffer\n");
                ret = -EFAULT;
        } else {
                ret = 0;
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 77a83790a31f..2543f24d23f8 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -500,7 +500,6 @@ static void afs_deliver_to_call(struct afs_call *call)
                case -EINPROGRESS:
                case -EAGAIN:
                        goto out;
-               case -EIO:
                case -ECONNABORTED:
                        ASSERTCMP(state, ==, AFS_CALL_COMPLETE);
                        goto done;
@@ -509,6 +508,10 @@ static void afs_deliver_to_call(struct afs_call *call)
                        rxrpc_kernel_abort_call(call->net->socket, call->rxcall,
                                                abort_code, ret, "KIV");
                        goto local_abort;
+               case -EIO:
+                       pr_err("kAFS: Call %u in bad state %u\n",
+                              call->debug_id, state);
+                       /* Fall through */
                case -ENODATA:
                case -EBADMSG:
                case -EMSGSIZE:
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index 32d4f13784ba..03f4d24db8fe 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -237,7 +237,8 @@ static bool check_quota_exceeded(struct inode *inode, enum 
quota_check_op op,
                ceph_put_snap_realm(mdsc, realm);
                realm = next;
        }
-       ceph_put_snap_realm(mdsc, realm);
+       if (realm)
+               ceph_put_snap_realm(mdsc, realm);
        up_read(&mdsc->snap_rwsem);
 
        return exceeded;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 7065426b3280..fb32f3d6925e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -981,8 +981,8 @@ static int cifs_clone_file_range(struct file *src_file, 
loff_t off,
        struct inode *src_inode = file_inode(src_file);
        struct inode *target_inode = file_inode(dst_file);
        struct cifsFileInfo *smb_file_src = src_file->private_data;
-       struct cifsFileInfo *smb_file_target = dst_file->private_data;
-       struct cifs_tcon *target_tcon = tlink_tcon(smb_file_target->tlink);
+       struct cifsFileInfo *smb_file_target;
+       struct cifs_tcon *target_tcon;
        unsigned int xid;
        int rc;
 
@@ -996,6 +996,9 @@ static int cifs_clone_file_range(struct file *src_file, 
loff_t off,
                goto out;
        }
 
+       smb_file_target = dst_file->private_data;
+       target_tcon = tlink_tcon(smb_file_target->tlink);
+
        /*
         * Note: cifs case is easier than btrfs since server responsible for
         * checks for proper open modes and file type and if it wants
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 89985a0a6819..812da3e56a22 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -686,6 +686,7 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size,
        int rc = 0;
        unsigned int ea_name_len = ea_name ? strlen(ea_name) : 0;
        char *name, *value;
+       size_t buf_size = dst_size;
        size_t name_len, value_len, user_name_len;
 
        while (src_size > 0) {
@@ -721,9 +722,10 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size,
                        /* 'user.' plus a terminating null */
                        user_name_len = 5 + 1 + name_len;
 
-                       rc += user_name_len;
-
-                       if (dst_size >= user_name_len) {
+                       if (buf_size == 0) {
+                               /* skip copy - calc size only */
+                               rc += user_name_len;
+                       } else if (dst_size >= user_name_len) {
                                dst_size -= user_name_len;
                                memcpy(dst, "user.", 5);
                                dst += 5;
@@ -731,8 +733,7 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size,
                                dst += name_len;
                                *dst = 0;
                                ++dst;
-                       } else if (dst_size == 0) {
-                               /* skip copy - calc size only */
+                               rc += user_name_len;
                        } else {
                                /* stop before overrun buffer */
                                rc = -ERANGE;
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 41cf2fbee50d..7d61e3fa378c 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -101,6 +101,7 @@ static int parse_options(char *options, struct 
exofs_mountopt *opts)
                token = match_token(p, tokens, args);
                switch (token) {
                case Opt_name:
+                       kfree(opts->dev_name);
                        opts->dev_name = match_strdup(&args[0]);
                        if (unlikely(!opts->dev_name)) {
                                EXOFS_ERR("Error allocating dev_name");
@@ -866,8 +867,10 @@ static struct dentry *exofs_mount(struct file_system_type 
*type,
        int ret;
 
        ret = parse_options(data, &opts);
-       if (ret)
+       if (ret) {
+               kfree(opts.dev_name);
                return ERR_PTR(ret);
+       }
 
        if (!opts.dev_name)
                opts.dev_name = dev_name;
diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c
index 9a8772465a90..da25c49203cc 100644
--- a/fs/hfs/brec.c
+++ b/fs/hfs/brec.c
@@ -425,6 +425,10 @@ static int hfs_brec_update_parent(struct hfs_find_data *fd)
        if (new_node) {
                __be32 cnid;
 
+               if (!new_node->parent) {
+                       hfs_btree_inc_height(tree);
+                       new_node->parent = tree->root;
+               }
                fd->bnode = hfs_bnode_find(tree, new_node->parent);
                /* create index key and entry */
                hfs_bnode_read_key(new_node, fd->search_key, 14);
diff --git a/fs/hfsplus/brec.c b/fs/hfsplus/brec.c
index ed8eacb34452..aa17a392b414 100644
--- a/fs/hfsplus/brec.c
+++ b/fs/hfsplus/brec.c
@@ -429,6 +429,10 @@ static int hfs_brec_update_parent(struct hfs_find_data *fd)
        if (new_node) {
                __be32 cnid;
 
+               if (!new_node->parent) {
+                       hfs_btree_inc_height(tree);
+                       new_node->parent = tree->root;
+               }
                fd->bnode = hfs_bnode_find(tree, new_node->parent);
                /* create index key and entry */
                hfs_bnode_read_key(new_node, fd->search_key, 14);
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 48cdfc81fe10..32d8986c26fb 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -185,6 +185,7 @@ struct reiserfs_dentry_buf {
        struct dir_context ctx;
        struct dentry *xadir;
        int count;
+       int err;
        struct dentry *dentries[8];
 };
 
@@ -207,6 +208,7 @@ fill_with_dentries(struct dir_context *ctx, const char 
*name, int namelen,
 
        dentry = lookup_one_len(name, dbuf->xadir, namelen);
        if (IS_ERR(dentry)) {
+               dbuf->err = PTR_ERR(dentry);
                return PTR_ERR(dentry);
        } else if (d_really_is_negative(dentry)) {
                /* A directory entry exists, but no file? */
@@ -215,6 +217,7 @@ fill_with_dentries(struct dir_context *ctx, const char 
*name, int namelen,
                               "not found for file %pd.\n",
                               dentry, dbuf->xadir);
                dput(dentry);
+               dbuf->err = -EIO;
                return -EIO;
        }
 
@@ -262,6 +265,10 @@ static int reiserfs_for_each_xattr(struct inode *inode,
                err = reiserfs_readdir_inode(d_inode(dir), &buf.ctx);
                if (err)
                        break;
+               if (buf.err) {
+                       err = buf.err;
+                       break;
+               }
                if (!buf.count)
                        break;
                for (i = 0; !err && i < buf.count && buf.dentries[i]; i++) {
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 78b86dea2f29..7f53ece2c039 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -568,7 +568,7 @@ static inline void nanddev_pos_next_eraseblock(struct 
nand_device *nand,
 }
 
 /**
- * nanddev_pos_next_eraseblock() - Move a position to the next page
+ * nanddev_pos_next_page() - Move a position to the next page
  * @nand: NAND device
  * @pos: the position to update
  *
diff --git a/include/linux/netfilter/ipset/ip_set.h 
b/include/linux/netfilter/ipset/ip_set.h
index 34fc80f3eb90..1d100efe74ec 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -314,7 +314,7 @@ enum {
 extern ip_set_id_t ip_set_get_byname(struct net *net,
                                     const char *name, struct ip_set **set);
 extern void ip_set_put_byindex(struct net *net, ip_set_id_t index);
-extern const char *ip_set_name_byindex(struct net *net, ip_set_id_t index);
+extern void ip_set_name_byindex(struct net *net, ip_set_id_t index, char 
*name);
 extern ip_set_id_t ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index);
 extern void ip_set_nfnl_put(struct net *net, ip_set_id_t index);
 
diff --git a/include/linux/netfilter/ipset/ip_set_comment.h 
b/include/linux/netfilter/ipset/ip_set_comment.h
index 8e2bab1e8e90..70877f8de7e9 100644
--- a/include/linux/netfilter/ipset/ip_set_comment.h
+++ b/include/linux/netfilter/ipset/ip_set_comment.h
@@ -43,11 +43,11 @@ ip_set_init_comment(struct ip_set *set, struct 
ip_set_comment *comment,
        rcu_assign_pointer(comment->c, c);
 }
 
-/* Used only when dumping a set, protected by rcu_read_lock_bh() */
+/* Used only when dumping a set, protected by rcu_read_lock() */
 static inline int
 ip_set_put_comment(struct sk_buff *skb, const struct ip_set_comment *comment)
 {
-       struct ip_set_comment_rcu *c = rcu_dereference_bh(comment->c);
+       struct ip_set_comment_rcu *c = rcu_dereference(comment->c);
 
        if (!c)
                return 0;
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index b7a99ce56bc9..a1be64c9940f 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -66,4 +66,7 @@
 /* Device needs a pause after every control message. */
 #define USB_QUIRK_DELAY_CTRL_MSG               BIT(13)
 
+/* Hub needs extra delay after resetting its port. */
+#define USB_QUIRK_HUB_SLOW_RESET               BIT(14)
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/uapi/linux/netfilter/nf_tables.h 
b/include/uapi/linux/netfilter/nf_tables.h
index e23290ffdc77..325ec6ef0a76 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -1581,8 +1581,8 @@ enum nft_ng_attributes {
        NFTA_NG_MODULUS,
        NFTA_NG_TYPE,
        NFTA_NG_OFFSET,
-       NFTA_NG_SET_NAME,
-       NFTA_NG_SET_ID,
+       NFTA_NG_SET_NAME,       /* deprecated */
+       NFTA_NG_SET_ID,         /* deprecated */
        __NFTA_NG_MAX
 };
 #define NFTA_NG_MAX    (__NFTA_NG_MAX - 1)
diff --git a/include/uapi/linux/netfilter_bridge.h 
b/include/uapi/linux/netfilter_bridge.h
index 156ccd089df1..1610fdbab98d 100644
--- a/include/uapi/linux/netfilter_bridge.h
+++ b/include/uapi/linux/netfilter_bridge.h
@@ -11,6 +11,10 @@
 #include <linux/if_vlan.h>
 #include <linux/if_pppox.h>
 
+#ifndef __KERNEL__
+#include <limits.h> /* for INT_MIN, INT_MAX */
+#endif
+
 /* Bridge Hooks */
 /* After promisc drops, checksum checks. */
 #define NF_BR_PRE_ROUTING      0
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 675eb6d36e47..382c09dddf93 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1974,6 +1974,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
                info.jited_prog_len = 0;
                info.xlated_prog_len = 0;
                info.nr_jited_ksyms = 0;
+               info.nr_jited_func_lens = 0;
                goto done;
        }
 
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index ad97f3ba5ec5..35551110d277 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5854,11 +5854,14 @@ void __init sched_init_smp(void)
        /*
         * There's no userspace yet to cause hotplug operations; hence all the
         * CPU masks are stable and all blatant races in the below code cannot
-        * happen.
+        * happen. The hotplug lock is nevertheless taken to satisfy lockdep,
+        * but there won't be any contention on it.
         */
+       cpus_read_lock();
        mutex_lock(&sched_domains_mutex);
        sched_init_domains(cpu_active_mask);
        mutex_unlock(&sched_domains_mutex);
+       cpus_read_unlock();
 
        /* Move init over to a non-isolated CPU */
        if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) 
< 0)
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 5d73f5cb4d8a..79777645cac9 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -27,7 +27,7 @@ ifeq ($(ARCH),arm)
         CFLAGS += -I../../../arch/arm/include -mfpu=neon
         HAS_NEON = yes
 endif
-ifeq ($(ARCH),arm64)
+ifeq ($(ARCH),aarch64)
         CFLAGS += -I../../../arch/arm64/include
         HAS_NEON = yes
 endif
@@ -41,7 +41,7 @@ ifeq ($(IS_X86),yes)
                    gcc -c -x assembler - >&/dev/null &&        \
                    rm ./-.o && echo -DCONFIG_AS_AVX512=1)
 else ifeq ($(HAS_NEON),yes)
-        OBJS   += neon.o neon1.o neon2.o neon4.o neon8.o
+        OBJS   += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o 
recov_neon_inner.o
         CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
 else
         HAS_ALTIVEC := $(shell printf '\#include <altivec.h>\nvector int a;\n' 
|\
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 0a187196aeed..9a1c27c61de8 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -593,9 +593,15 @@ static int ceph_tcp_sendpage(struct socket *sock, struct 
page *page,
        struct bio_vec bvec;
        int ret;
 
-       /* sendpage cannot properly handle pages with page_count == 0,
-        * we need to fallback to sendmsg if that's the case */
-       if (page_count(page) >= 1)
+       /*
+        * sendpage cannot properly handle pages with page_count == 0,
+        * we need to fall back to sendmsg if that's the case.
+        *
+        * Same goes for slab pages: skb_can_coalesce() allows
+        * coalescing neighboring slab objects into a single frag which
+        * triggers one of hardened usercopy checks.
+        */
+       if (page_count(page) >= 1 && !PageSlab(page))
                return __ceph_tcp_sendpage(sock, page, offset, size, more);
 
        bvec.bv_page = page;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c 
b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 8f68a518d9db..f76bd4d15704 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -587,11 +587,16 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff 
*skb, u32 user)
         */
        ret = -EINPROGRESS;
        if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
-           fq->q.meat == fq->q.len &&
-           nf_ct_frag6_reasm(fq, skb, dev))
-               ret = 0;
-       else
+           fq->q.meat == fq->q.len) {
+               unsigned long orefdst = skb->_skb_refdst;
+
+               skb->_skb_refdst = 0UL;
+               if (nf_ct_frag6_reasm(fq, skb, dev))
+                       ret = 0;
+               skb->_skb_refdst = orefdst;
+       } else {
                skb_dst_drop(skb);
+       }
 
 out_unlock:
        spin_unlock_bh(&fq->q.lock);
diff --git a/net/netfilter/ipset/ip_set_core.c 
b/net/netfilter/ipset/ip_set_core.c
index bc4bd247bb7d..1577f2f76060 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -55,11 +55,15 @@ MODULE_AUTHOR("Jozsef Kadlecsik 
<kad...@blackhole.kfki.hu>");
 MODULE_DESCRIPTION("core IP set support");
 MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_IPSET);
 
-/* When the nfnl mutex is held: */
+/* When the nfnl mutex or ip_set_ref_lock is held: */
 #define ip_set_dereference(p)          \
-       rcu_dereference_protected(p, lockdep_nfnl_is_held(NFNL_SUBSYS_IPSET))
+       rcu_dereference_protected(p,    \
+               lockdep_nfnl_is_held(NFNL_SUBSYS_IPSET) || \
+               lockdep_is_held(&ip_set_ref_lock))
 #define ip_set(inst, id)               \
        ip_set_dereference((inst)->ip_set_list)[id]
+#define ip_set_ref_netlink(inst,id)    \
+       rcu_dereference_raw((inst)->ip_set_list)[id]
 
 /* The set types are implemented in modules and registered set types
  * can be found in ip_set_type_list. Adding/deleting types is
@@ -693,21 +697,20 @@ ip_set_put_byindex(struct net *net, ip_set_id_t index)
 EXPORT_SYMBOL_GPL(ip_set_put_byindex);
 
 /* Get the name of a set behind a set index.
- * We assume the set is referenced, so it does exist and
- * can't be destroyed. The set cannot be renamed due to
- * the referencing either.
- *
+ * Set itself is protected by RCU, but its name isn't: to protect against
+ * renaming, grab ip_set_ref_lock as reader (see ip_set_rename()) and copy the
+ * name.
  */
-const char *
-ip_set_name_byindex(struct net *net, ip_set_id_t index)
+void
+ip_set_name_byindex(struct net *net, ip_set_id_t index, char *name)
 {
-       const struct ip_set *set = ip_set_rcu_get(net, index);
+       struct ip_set *set = ip_set_rcu_get(net, index);
 
        BUG_ON(!set);
-       BUG_ON(set->ref == 0);
 
-       /* Referenced, so it's safe */
-       return set->name;
+       read_lock_bh(&ip_set_ref_lock);
+       strncpy(name, set->name, IPSET_MAXNAMELEN);
+       read_unlock_bh(&ip_set_ref_lock);
 }
 EXPORT_SYMBOL_GPL(ip_set_name_byindex);
 
@@ -961,7 +964,7 @@ static int ip_set_create(struct net *net, struct sock *ctnl,
                        /* Wraparound */
                        goto cleanup;
 
-               list = kcalloc(i, sizeof(struct ip_set *), GFP_KERNEL);
+               list = kvcalloc(i, sizeof(struct ip_set *), GFP_KERNEL);
                if (!list)
                        goto cleanup;
                /* nfnl mutex is held, both lists are valid */
@@ -973,7 +976,7 @@ static int ip_set_create(struct net *net, struct sock *ctnl,
                /* Use new list */
                index = inst->ip_set_max;
                inst->ip_set_max = i;
-               kfree(tmp);
+               kvfree(tmp);
                ret = 0;
        } else if (ret) {
                goto cleanup;
@@ -1153,7 +1156,7 @@ static int ip_set_rename(struct net *net, struct sock 
*ctnl,
        if (!set)
                return -ENOENT;
 
-       read_lock_bh(&ip_set_ref_lock);
+       write_lock_bh(&ip_set_ref_lock);
        if (set->ref != 0) {
                ret = -IPSET_ERR_REFERENCED;
                goto out;
@@ -1170,7 +1173,7 @@ static int ip_set_rename(struct net *net, struct sock 
*ctnl,
        strncpy(set->name, name2, IPSET_MAXNAMELEN);
 
 out:
-       read_unlock_bh(&ip_set_ref_lock);
+       write_unlock_bh(&ip_set_ref_lock);
        return ret;
 }
 
@@ -1252,7 +1255,7 @@ ip_set_dump_done(struct netlink_callback *cb)
                struct ip_set_net *inst =
                        (struct ip_set_net *)cb->args[IPSET_CB_NET];
                ip_set_id_t index = (ip_set_id_t)cb->args[IPSET_CB_INDEX];
-               struct ip_set *set = ip_set(inst, index);
+               struct ip_set *set = ip_set_ref_netlink(inst, index);
 
                if (set->variant->uref)
                        set->variant->uref(set, cb, false);
@@ -1441,7 +1444,7 @@ ip_set_dump_start(struct sk_buff *skb, struct 
netlink_callback *cb)
 release_refcount:
        /* If there was an error or set is done, release set */
        if (ret || !cb->args[IPSET_CB_ARG0]) {
-               set = ip_set(inst, index);
+               set = ip_set_ref_netlink(inst, index);
                if (set->variant->uref)
                        set->variant->uref(set, cb, false);
                pr_debug("release set %s\n", set->name);
@@ -2059,7 +2062,7 @@ ip_set_net_init(struct net *net)
        if (inst->ip_set_max >= IPSET_INVALID_ID)
                inst->ip_set_max = IPSET_INVALID_ID - 1;
 
-       list = kcalloc(inst->ip_set_max, sizeof(struct ip_set *), GFP_KERNEL);
+       list = kvcalloc(inst->ip_set_max, sizeof(struct ip_set *), GFP_KERNEL);
        if (!list)
                return -ENOMEM;
        inst->is_deleted = false;
@@ -2087,7 +2090,7 @@ ip_set_net_exit(struct net *net)
                }
        }
        nfnl_unlock(NFNL_SUBSYS_IPSET);
-       kfree(rcu_dereference_protected(inst->ip_set_list, 1));
+       kvfree(rcu_dereference_protected(inst->ip_set_list, 1));
 }
 
 static struct pernet_operations ip_set_net_ops = {
diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c 
b/net/netfilter/ipset/ip_set_hash_netportnet.c
index d391485a6acd..613e18e720a4 100644
--- a/net/netfilter/ipset/ip_set_hash_netportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_netportnet.c
@@ -213,13 +213,13 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr 
*tb[],
 
        if (tb[IPSET_ATTR_CIDR]) {
                e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-               if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
+               if (e.cidr[0] > HOST_MASK)
                        return -IPSET_ERR_INVALID_CIDR;
        }
 
        if (tb[IPSET_ATTR_CIDR2]) {
                e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
-               if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
+               if (e.cidr[1] > HOST_MASK)
                        return -IPSET_ERR_INVALID_CIDR;
        }
 
@@ -493,13 +493,13 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr 
*tb[],
 
        if (tb[IPSET_ATTR_CIDR]) {
                e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-               if (!e.cidr[0] || e.cidr[0] > HOST_MASK)
+               if (e.cidr[0] > HOST_MASK)
                        return -IPSET_ERR_INVALID_CIDR;
        }
 
        if (tb[IPSET_ATTR_CIDR2]) {
                e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
-               if (!e.cidr[1] || e.cidr[1] > HOST_MASK)
+               if (e.cidr[1] > HOST_MASK)
                        return -IPSET_ERR_INVALID_CIDR;
        }
 
diff --git a/net/netfilter/ipset/ip_set_list_set.c 
b/net/netfilter/ipset/ip_set_list_set.c
index 072a658fde04..4eef55da0878 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -148,9 +148,7 @@ __list_set_del_rcu(struct rcu_head * rcu)
 {
        struct set_elem *e = container_of(rcu, struct set_elem, rcu);
        struct ip_set *set = e->set;
-       struct list_set *map = set->data;
 
-       ip_set_put_byindex(map->net, e->id);
        ip_set_ext_destroy(set, e);
        kfree(e);
 }
@@ -158,15 +156,21 @@ __list_set_del_rcu(struct rcu_head * rcu)
 static inline void
 list_set_del(struct ip_set *set, struct set_elem *e)
 {
+       struct list_set *map = set->data;
+
        set->elements--;
        list_del_rcu(&e->list);
+       ip_set_put_byindex(map->net, e->id);
        call_rcu(&e->rcu, __list_set_del_rcu);
 }
 
 static inline void
-list_set_replace(struct set_elem *e, struct set_elem *old)
+list_set_replace(struct ip_set *set, struct set_elem *e, struct set_elem *old)
 {
+       struct list_set *map = set->data;
+
        list_replace_rcu(&old->list, &e->list);
+       ip_set_put_byindex(map->net, old->id);
        call_rcu(&old->rcu, __list_set_del_rcu);
 }
 
@@ -298,7 +302,7 @@ list_set_uadd(struct ip_set *set, void *value, const struct 
ip_set_ext *ext,
        INIT_LIST_HEAD(&e->list);
        list_set_init_extensions(set, ext, e);
        if (n)
-               list_set_replace(e, n);
+               list_set_replace(set, e, n);
        else if (next)
                list_add_tail_rcu(&e->list, &next->list);
        else if (prev)
@@ -486,6 +490,7 @@ list_set_list(const struct ip_set *set,
        const struct list_set *map = set->data;
        struct nlattr *atd, *nested;
        u32 i = 0, first = cb->args[IPSET_CB_ARG0];
+       char name[IPSET_MAXNAMELEN];
        struct set_elem *e;
        int ret = 0;
 
@@ -504,8 +509,8 @@ list_set_list(const struct ip_set *set,
                nested = ipset_nest_start(skb, IPSET_ATTR_DATA);
                if (!nested)
                        goto nla_put_failure;
-               if (nla_put_string(skb, IPSET_ATTR_NAME,
-                                  ip_set_name_byindex(map->net, e->id)))
+               ip_set_name_byindex(map->net, e->id, name);
+               if (nla_put_string(skb, IPSET_ATTR_NAME, name))
                        goto nla_put_failure;
                if (ip_set_put_extensions(skb, set, e, true))
                        goto nla_put_failure;
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index 32535eea51b2..ad2fe6a7e47d 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -54,9 +54,11 @@ static bool nft_xt_put(struct nft_xt *xt)
        return false;
 }
 
-static int nft_compat_chain_validate_dependency(const char *tablename,
-                                               const struct nft_chain *chain)
+static int nft_compat_chain_validate_dependency(const struct nft_ctx *ctx,
+                                               const char *tablename)
 {
+       enum nft_chain_types type = NFT_CHAIN_T_DEFAULT;
+       const struct nft_chain *chain = ctx->chain;
        const struct nft_base_chain *basechain;
 
        if (!tablename ||
@@ -64,9 +66,12 @@ static int nft_compat_chain_validate_dependency(const char 
*tablename,
                return 0;
 
        basechain = nft_base_chain(chain);
-       if (strcmp(tablename, "nat") == 0 &&
-           basechain->type->type != NFT_CHAIN_T_NAT)
-               return -EINVAL;
+       if (strcmp(tablename, "nat") == 0) {
+               if (ctx->family != NFPROTO_BRIDGE)
+                       type = NFT_CHAIN_T_NAT;
+               if (basechain->type->type != type)
+                       return -EINVAL;
+       }
 
        return 0;
 }
@@ -323,8 +328,7 @@ static int nft_target_validate(const struct nft_ctx *ctx,
                if (target->hooks && !(hook_mask & target->hooks))
                        return -EINVAL;
 
-               ret = nft_compat_chain_validate_dependency(target->table,
-                                                          ctx->chain);
+               ret = nft_compat_chain_validate_dependency(ctx, target->table);
                if (ret < 0)
                        return ret;
        }
@@ -570,8 +574,7 @@ static int nft_match_validate(const struct nft_ctx *ctx,
                if (match->hooks && !(hook_mask & match->hooks))
                        return -EINVAL;
 
-               ret = nft_compat_chain_validate_dependency(match->table,
-                                                          ctx->chain);
+               ret = nft_compat_chain_validate_dependency(ctx, match->table);
                if (ret < 0)
                        return ret;
        }
diff --git a/net/netfilter/nft_numgen.c b/net/netfilter/nft_numgen.c
index 649d1700ec5b..3cc1b3dc3c3c 100644
--- a/net/netfilter/nft_numgen.c
+++ b/net/netfilter/nft_numgen.c
@@ -24,7 +24,6 @@ struct nft_ng_inc {
        u32                     modulus;
        atomic_t                counter;
        u32                     offset;
-       struct nft_set          *map;
 };
 
 static u32 nft_ng_inc_gen(struct nft_ng_inc *priv)
@@ -48,34 +47,11 @@ static void nft_ng_inc_eval(const struct nft_expr *expr,
        regs->data[priv->dreg] = nft_ng_inc_gen(priv);
 }
 
-static void nft_ng_inc_map_eval(const struct nft_expr *expr,
-                               struct nft_regs *regs,
-                               const struct nft_pktinfo *pkt)
-{
-       struct nft_ng_inc *priv = nft_expr_priv(expr);
-       const struct nft_set *map = priv->map;
-       const struct nft_set_ext *ext;
-       u32 result;
-       bool found;
-
-       result = nft_ng_inc_gen(priv);
-       found = map->ops->lookup(nft_net(pkt), map, &result, &ext);
-
-       if (!found)
-               return;
-
-       nft_data_copy(&regs->data[priv->dreg],
-                     nft_set_ext_data(ext), map->dlen);
-}
-
 static const struct nla_policy nft_ng_policy[NFTA_NG_MAX + 1] = {
        [NFTA_NG_DREG]          = { .type = NLA_U32 },
        [NFTA_NG_MODULUS]       = { .type = NLA_U32 },
        [NFTA_NG_TYPE]          = { .type = NLA_U32 },
        [NFTA_NG_OFFSET]        = { .type = NLA_U32 },
-       [NFTA_NG_SET_NAME]      = { .type = NLA_STRING,
-                                   .len = NFT_SET_MAXNAMELEN - 1 },
-       [NFTA_NG_SET_ID]        = { .type = NLA_U32 },
 };
 
 static int nft_ng_inc_init(const struct nft_ctx *ctx,
@@ -101,22 +77,6 @@ static int nft_ng_inc_init(const struct nft_ctx *ctx,
                                           NFT_DATA_VALUE, sizeof(u32));
 }
 
-static int nft_ng_inc_map_init(const struct nft_ctx *ctx,
-                              const struct nft_expr *expr,
-                              const struct nlattr * const tb[])
-{
-       struct nft_ng_inc *priv = nft_expr_priv(expr);
-       u8 genmask = nft_genmask_next(ctx->net);
-
-       nft_ng_inc_init(ctx, expr, tb);
-
-       priv->map = nft_set_lookup_global(ctx->net, ctx->table,
-                                         tb[NFTA_NG_SET_NAME],
-                                         tb[NFTA_NG_SET_ID], genmask);
-
-       return PTR_ERR_OR_ZERO(priv->map);
-}
-
 static int nft_ng_dump(struct sk_buff *skb, enum nft_registers dreg,
                       u32 modulus, enum nft_ng_types type, u32 offset)
 {
@@ -143,27 +103,10 @@ static int nft_ng_inc_dump(struct sk_buff *skb, const 
struct nft_expr *expr)
                           priv->offset);
 }
 
-static int nft_ng_inc_map_dump(struct sk_buff *skb,
-                              const struct nft_expr *expr)
-{
-       const struct nft_ng_inc *priv = nft_expr_priv(expr);
-
-       if (nft_ng_dump(skb, priv->dreg, priv->modulus,
-                       NFT_NG_INCREMENTAL, priv->offset) ||
-           nla_put_string(skb, NFTA_NG_SET_NAME, priv->map->name))
-               goto nla_put_failure;
-
-       return 0;
-
-nla_put_failure:
-       return -1;
-}
-
 struct nft_ng_random {
        enum nft_registers      dreg:8;
        u32                     modulus;
        u32                     offset;
-       struct nft_set          *map;
 };
 
 static u32 nft_ng_random_gen(struct nft_ng_random *priv)
@@ -183,25 +126,6 @@ static void nft_ng_random_eval(const struct nft_expr *expr,
        regs->data[priv->dreg] = nft_ng_random_gen(priv);
 }
 
-static void nft_ng_random_map_eval(const struct nft_expr *expr,
-                                  struct nft_regs *regs,
-                                  const struct nft_pktinfo *pkt)
-{
-       struct nft_ng_random *priv = nft_expr_priv(expr);
-       const struct nft_set *map = priv->map;
-       const struct nft_set_ext *ext;
-       u32 result;
-       bool found;
-
-       result = nft_ng_random_gen(priv);
-       found = map->ops->lookup(nft_net(pkt), map, &result, &ext);
-       if (!found)
-               return;
-
-       nft_data_copy(&regs->data[priv->dreg],
-                     nft_set_ext_data(ext), map->dlen);
-}
-
 static int nft_ng_random_init(const struct nft_ctx *ctx,
                              const struct nft_expr *expr,
                              const struct nlattr * const tb[])
@@ -226,21 +150,6 @@ static int nft_ng_random_init(const struct nft_ctx *ctx,
                                           NFT_DATA_VALUE, sizeof(u32));
 }
 
-static int nft_ng_random_map_init(const struct nft_ctx *ctx,
-                                 const struct nft_expr *expr,
-                                 const struct nlattr * const tb[])
-{
-       struct nft_ng_random *priv = nft_expr_priv(expr);
-       u8 genmask = nft_genmask_next(ctx->net);
-
-       nft_ng_random_init(ctx, expr, tb);
-       priv->map = nft_set_lookup_global(ctx->net, ctx->table,
-                                         tb[NFTA_NG_SET_NAME],
-                                         tb[NFTA_NG_SET_ID], genmask);
-
-       return PTR_ERR_OR_ZERO(priv->map);
-}
-
 static int nft_ng_random_dump(struct sk_buff *skb, const struct nft_expr *expr)
 {
        const struct nft_ng_random *priv = nft_expr_priv(expr);
@@ -249,22 +158,6 @@ static int nft_ng_random_dump(struct sk_buff *skb, const 
struct nft_expr *expr)
                           priv->offset);
 }
 
-static int nft_ng_random_map_dump(struct sk_buff *skb,
-                                 const struct nft_expr *expr)
-{
-       const struct nft_ng_random *priv = nft_expr_priv(expr);
-
-       if (nft_ng_dump(skb, priv->dreg, priv->modulus,
-                       NFT_NG_RANDOM, priv->offset) ||
-           nla_put_string(skb, NFTA_NG_SET_NAME, priv->map->name))
-               goto nla_put_failure;
-
-       return 0;
-
-nla_put_failure:
-       return -1;
-}
-
 static struct nft_expr_type nft_ng_type;
 static const struct nft_expr_ops nft_ng_inc_ops = {
        .type           = &nft_ng_type,
@@ -274,14 +167,6 @@ static const struct nft_expr_ops nft_ng_inc_ops = {
        .dump           = nft_ng_inc_dump,
 };
 
-static const struct nft_expr_ops nft_ng_inc_map_ops = {
-       .type           = &nft_ng_type,
-       .size           = NFT_EXPR_SIZE(sizeof(struct nft_ng_inc)),
-       .eval           = nft_ng_inc_map_eval,
-       .init           = nft_ng_inc_map_init,
-       .dump           = nft_ng_inc_map_dump,
-};
-
 static const struct nft_expr_ops nft_ng_random_ops = {
        .type           = &nft_ng_type,
        .size           = NFT_EXPR_SIZE(sizeof(struct nft_ng_random)),
@@ -290,14 +175,6 @@ static const struct nft_expr_ops nft_ng_random_ops = {
        .dump           = nft_ng_random_dump,
 };
 
-static const struct nft_expr_ops nft_ng_random_map_ops = {
-       .type           = &nft_ng_type,
-       .size           = NFT_EXPR_SIZE(sizeof(struct nft_ng_random)),
-       .eval           = nft_ng_random_map_eval,
-       .init           = nft_ng_random_map_init,
-       .dump           = nft_ng_random_map_dump,
-};
-
 static const struct nft_expr_ops *
 nft_ng_select_ops(const struct nft_ctx *ctx, const struct nlattr * const tb[])
 {
@@ -312,12 +189,8 @@ nft_ng_select_ops(const struct nft_ctx *ctx, const struct 
nlattr * const tb[])
 
        switch (type) {
        case NFT_NG_INCREMENTAL:
-               if (tb[NFTA_NG_SET_NAME])
-                       return &nft_ng_inc_map_ops;
                return &nft_ng_inc_ops;
        case NFT_NG_RANDOM:
-               if (tb[NFTA_NG_SET_NAME])
-                       return &nft_ng_random_map_ops;
                return &nft_ng_random_ops;
        }
 
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 5ee859193783..25453a16385e 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -116,6 +116,22 @@ static void idletimer_tg_expired(struct timer_list *t)
        schedule_work(&timer->work);
 }
 
+static int idletimer_check_sysfs_name(const char *name, unsigned int size)
+{
+       int ret;
+
+       ret = xt_check_proc_name(name, size);
+       if (ret < 0)
+               return ret;
+
+       if (!strcmp(name, "power") ||
+           !strcmp(name, "subsystem") ||
+           !strcmp(name, "uevent"))
+               return -EINVAL;
+
+       return 0;
+}
+
 static int idletimer_tg_create(struct idletimer_tg_info *info)
 {
        int ret;
@@ -126,6 +142,10 @@ static int idletimer_tg_create(struct idletimer_tg_info 
*info)
                goto out;
        }
 
+       ret = idletimer_check_sysfs_name(info->label, sizeof(info->label));
+       if (ret < 0)
+               goto out_free_timer;
+
        sysfs_attr_init(&info->timer->attr.attr);
        info->timer->attr.attr.name = kstrdup(info->label, GFP_KERNEL);
        if (!info->timer->attr.attr.name) {
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index b53cc0960b5d..ac16f509c95c 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -512,7 +512,7 @@ EXPORT_SYMBOL_GPL(xdr_commit_encode);
 static __be32 *xdr_get_next_encode_buffer(struct xdr_stream *xdr,
                size_t nbytes)
 {
-       static __be32 *p;
+       __be32 *p;
        int space_left;
        int frag1bytes, frag2bytes;
 
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 663a7f343b42..edcad61fe3cd 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -88,6 +88,7 @@ set_debarch() {
 version=$KERNELRELEASE
 if [ -n "$KDEB_PKGVERSION" ]; then
        packageversion=$KDEB_PKGVERSION
+       revision=${packageversion##*-}
 else
        revision=$(cat .version 2>/dev/null||echo 1)
        packageversion=$version-$revision
@@ -205,10 +206,12 @@ cat <<EOF > debian/rules
 #!$(command -v $MAKE) -f
 
 build:
-       \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC=
+       \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
+       KBUILD_BUILD_VERSION=${revision} KBUILD_SRC=
 
 binary-arch:
-       \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC= intdeb-pkg
+       \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
+       KBUILD_BUILD_VERSION=${revision} KBUILD_SRC= intdeb-pkg
 
 clean:
        rm -rf debian/*tmp debian/files
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 79f7dd57d571..71f39410691b 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -74,7 +74,7 @@ scm_version()
                fi
 
                # Check for uncommitted changes
-               if git status -uno --porcelain | grep -qv '^.. 
scripts/package'; then
+               if git diff-index --name-only HEAD | grep -qv 
"^scripts/package"; then
                        printf '%s' -dirty
                fi
 
diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c
index 974affe50531..76491e7f4177 100644
--- a/security/apparmor/lib.c
+++ b/security/apparmor/lib.c
@@ -90,10 +90,12 @@ const char *aa_splitn_fqname(const char *fqname, size_t n, 
const char **ns_name,
        const char *end = fqname + n;
        const char *name = skipn_spaces(fqname, n);
 
-       if (!name)
-               return NULL;
        *ns_name = NULL;
        *ns_len = 0;
+
+       if (!name)
+               return NULL;
+
        if (name[0] == ':') {
                char *split = strnchr(&name[1], end - &name[1], ':');
                *ns_name = skipn_spaces(&name[1], end - &name[1]);
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 0166a3d7cd55..dffd60cebc31 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -7395,7 +7395,7 @@ static void ca0132_free(struct hda_codec *codec)
 
        snd_hda_power_down(codec);
        if (spec->mem_base)
-               iounmap(spec->mem_base);
+               pci_iounmap(codec->bus->pci, spec->mem_base);
        kfree(spec->spec_init_verbs);
        kfree(codec->spec);
 }
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 1070749c3cf4..e58537e13ad3 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6481,6 +6481,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x103c, 0x2336, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
        SND_PCI_QUIRK(0x103c, 0x2337, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1),
        SND_PCI_QUIRK(0x103c, 0x221c, "HP EliteBook 755 G2", 
ALC280_FIXUP_HP_HEADSET_MIC),
+       SND_PCI_QUIRK(0x103c, 0x820d, "HP Pavilion 15", 
ALC269_FIXUP_HP_MUTE_LED_MIC3),
        SND_PCI_QUIRK(0x103c, 0x8256, "HP", ALC221_FIXUP_HP_FRONT_MIC),
        SND_PCI_QUIRK(0x103c, 0x827e, "HP x360", ALC295_FIXUP_HP_X360),
        SND_PCI_QUIRK(0x103c, 0x82bf, "HP", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c
index ac1bcdc17dae..f7eb63cbbc65 100644
--- a/tools/perf/jvmti/jvmti_agent.c
+++ b/tools/perf/jvmti/jvmti_agent.c
@@ -125,7 +125,7 @@ perf_get_timestamp(void)
 }
 
 static int
-debug_cache_init(void)
+create_jit_cache_dir(void)
 {
        char str[32];
        char *base, *p;
@@ -144,8 +144,13 @@ debug_cache_init(void)
 
        strftime(str, sizeof(str), JIT_LANG"-jit-%Y%m%d", &tm);
 
-       snprintf(jit_path, PATH_MAX - 1, "%s/.debug/", base);
-
+       ret = snprintf(jit_path, PATH_MAX, "%s/.debug/", base);
+       if (ret >= PATH_MAX) {
+               warnx("jvmti: cannot generate jit cache dir because %s/.debug/"
+                       " is too long, please check the cwd, JITDUMPDIR, and"
+                       " HOME variables", base);
+               return -1;
+       }
        ret = mkdir(jit_path, 0755);
        if (ret == -1) {
                if (errno != EEXIST) {
@@ -154,20 +159,32 @@ debug_cache_init(void)
                }
        }
 
-       snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit", base);
+       ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit", base);
+       if (ret >= PATH_MAX) {
+               warnx("jvmti: cannot generate jit cache dir because"
+                       " %s/.debug/jit is too long, please check the cwd,"
+                       " JITDUMPDIR, and HOME variables", base);
+               return -1;
+       }
        ret = mkdir(jit_path, 0755);
        if (ret == -1) {
                if (errno != EEXIST) {
-                       warn("cannot create jit cache dir %s", jit_path);
+                       warn("jvmti: cannot create jit cache dir %s", jit_path);
                        return -1;
                }
        }
 
-       snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit/%s.XXXXXXXX", base, 
str);
-
+       ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit/%s.XXXXXXXX", base, 
str);
+       if (ret >= PATH_MAX) {
+               warnx("jvmti: cannot generate jit cache dir because"
+                       " %s/.debug/jit/%s.XXXXXXXX is too long, please check"
+                       " the cwd, JITDUMPDIR, and HOME variables",
+                       base, str);
+               return -1;
+       }
        p = mkdtemp(jit_path);
        if (p != jit_path) {
-               warn("cannot create jit cache dir %s", jit_path);
+               warn("jvmti: cannot create jit cache dir %s", jit_path);
                return -1;
        }
 
@@ -228,7 +245,7 @@ void *jvmti_open(void)
 {
        char dump_path[PATH_MAX];
        struct jitheader header;
-       int fd;
+       int fd, ret;
        FILE *fp;
 
        init_arch_timestamp();
@@ -245,12 +262,22 @@ void *jvmti_open(void)
 
        memset(&header, 0, sizeof(header));
 
-       debug_cache_init();
+       /*
+        * jitdump file dir
+        */
+       if (create_jit_cache_dir() < 0)
+               return NULL;
 
        /*
         * jitdump file name
         */
-       scnprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, getpid());
+       ret = snprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, 
getpid());
+       if (ret >= PATH_MAX) {
+               warnx("jvmti: cannot generate jitdump file full path because"
+                       " %s/jit-%i.dump is too long, please check the cwd,"
+                       " JITDUMPDIR, and HOME variables", jit_path, getpid());
+               return NULL;
+       }
 
        fd = open(dump_path, O_CREAT|O_TRUNC|O_RDWR, 0666);
        if (fd == -1)
diff --git a/tools/perf/tests/attr/test-record-group-sampling 
b/tools/perf/tests/attr/test-record-group-sampling
index 8a33ca4f9e1f..f0729c454f16 100644
--- a/tools/perf/tests/attr/test-record-group-sampling
+++ b/tools/perf/tests/attr/test-record-group-sampling
@@ -37,4 +37,3 @@ sample_freq=0
 sample_period=0
 freq=0
 write_backward=0
-sample_id_all=0
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e596ae358c4d..03a72310315f 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -952,7 +952,6 @@ void perf_evsel__config(struct perf_evsel *evsel, struct 
record_opts *opts,
                attr->sample_freq    = 0;
                attr->sample_period  = 0;
                attr->write_backward = 0;
-               attr->sample_id_all  = 0;
        }
 
        if (opts->no_samples)
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 29770ea61768..6e70cc00c161 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -324,7 +324,17 @@ int dso__synthesize_plt_symbols(struct dso *dso, struct 
symsrc *ss)
                        plt_entry_size = 16;
                        break;
 
-               default: /* FIXME: 
s390/alpha/mips/parisc/poperpc/sh/sparc/xtensa need to be checked */
+               case EM_SPARC:
+                       plt_header_size = 48;
+                       plt_entry_size = 12;
+                       break;
+
+               case EM_SPARCV9:
+                       plt_header_size = 128;
+                       plt_entry_size = 32;
+                       break;
+
+               default: /* FIXME: s390/alpha/mips/parisc/poperpc/sh/xtensa 
need to be checked */
                        plt_header_size = shdr_plt.sh_entsize;
                        plt_entry_size = shdr_plt.sh_entsize;
                        break;
diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c
index 6f318b15950e..5eff9bfc5758 100644
--- a/tools/perf/util/unwind-libdw.c
+++ b/tools/perf/util/unwind-libdw.c
@@ -45,13 +45,13 @@ static int __report_module(struct addr_location *al, u64 ip,
                Dwarf_Addr s;
 
                dwfl_module_info(mod, NULL, &s, NULL, NULL, NULL, NULL, NULL);
-               if (s != al->map->start)
+               if (s != al->map->start - al->map->pgoff)
                        mod = 0;
        }
 
        if (!mod)
                mod = dwfl_report_elf(ui->dwfl, dso->short_name,
-                                     (dso->symsrc_filename ? 
dso->symsrc_filename : dso->long_name), -1, al->map->start,
+                                     (dso->symsrc_filename ? 
dso->symsrc_filename : dso->long_name), -1, al->map->start - al->map->pgoff,
                                      false);
 
        return mod && dwfl_addrmodule(ui->dwfl, ip) == mod ? 0 : -1;

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