diff --git a/Makefile b/Makefile
index c4b1a345d3f0..d7b3c8e3ff3e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 1
-SUBLEVEL = 14
+SUBLEVEL = 15
 EXTRAVERSION =
 NAME = Shy Crocodile
 
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 7425bb0f2d1b..6219b372e9c1 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -187,6 +187,7 @@
                        interrupt-names = "macirq";
                        phy-mode = "rgmii";
                        snps,pbl = <32>;
+                       snps,multicast-filter-bins = <256>;
                        clocks = <&gmacclk>;
                        clock-names = "stmmaceth";
                        phy-handle = <&phy0>;
@@ -195,6 +196,9 @@
                        mac-address = [00 00 00 00 00 00]; /* Filled in by 
U-Boot */
                        dma-coherent;
 
+                       tx-fifo-depth = <4096>;
+                       rx-fifo-depth = <4096>;
+
                        mdio {
                                #address-cells = <1>;
                                #size-cells = <0>;
diff --git a/arch/arc/include/asm/cmpxchg.h b/arch/arc/include/asm/cmpxchg.h
index d819de1c5d10..3ea4112c8302 100644
--- a/arch/arc/include/asm/cmpxchg.h
+++ b/arch/arc/include/asm/cmpxchg.h
@@ -92,8 +92,11 @@ __cmpxchg(volatile void *ptr, unsigned long expected, 
unsigned long new)
 
 #endif /* CONFIG_ARC_HAS_LLSC */
 
-#define cmpxchg(ptr, o, n) ((typeof(*(ptr)))__cmpxchg((ptr), \
-                               (unsigned long)(o), (unsigned long)(n)))
+#define cmpxchg(ptr, o, n) ({                          \
+       (typeof(*(ptr)))__cmpxchg((ptr),                \
+                                 (unsigned long)(o),   \
+                                 (unsigned long)(n));  \
+})
 
 /*
  * atomic_cmpxchg is same as cmpxchg
@@ -198,8 +201,11 @@ static inline unsigned long __xchg(unsigned long val, 
volatile void *ptr,
        return __xchg_bad_pointer();
 }
 
-#define xchg(ptr, with) ((typeof(*(ptr)))__xchg((unsigned long)(with), (ptr), \
-                                                sizeof(*(ptr))))
+#define xchg(ptr, with) ({                             \
+       (typeof(*(ptr)))__xchg((unsigned long)(with),   \
+                              (ptr),                   \
+                              sizeof(*(ptr)));         \
+})
 
 #endif /* CONFIG_ARC_PLAT_EZNPS */
 
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 4097764fea23..fa18c00b0cfd 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -911,9 +911,11 @@ void do_tlb_overlap_fault(unsigned long cause, unsigned 
long address,
                          struct pt_regs *regs)
 {
        struct cpuinfo_arc_mmu *mmu = &cpuinfo_arc700[smp_processor_id()].mmu;
-       unsigned int pd0[mmu->ways];
        unsigned long flags;
-       int set;
+       int set, n_ways = mmu->ways;
+
+       n_ways = min(n_ways, 4);
+       BUG_ON(mmu->ways > 4);
 
        local_irq_save(flags);
 
@@ -921,9 +923,10 @@ void do_tlb_overlap_fault(unsigned long cause, unsigned 
long address,
        for (set = 0; set < mmu->sets; set++) {
 
                int is_valid, way;
+               unsigned int pd0[4];
 
                /* read out all the ways of current set */
-               for (way = 0, is_valid = 0; way < mmu->ways; way++) {
+               for (way = 0, is_valid = 0; way < n_ways; way++) {
                        write_aux_reg(ARC_REG_TLBINDEX,
                                          SET_WAY_TO_IDX(mmu, set, way));
                        write_aux_reg(ARC_REG_TLBCOMMAND, TLBRead);
@@ -937,14 +940,14 @@ void do_tlb_overlap_fault(unsigned long cause, unsigned 
long address,
                        continue;
 
                /* Scan the set for duplicate ways: needs a nested loop */
-               for (way = 0; way < mmu->ways - 1; way++) {
+               for (way = 0; way < n_ways - 1; way++) {
 
                        int n;
 
                        if (!pd0[way])
                                continue;
 
-                       for (n = way + 1; n < mmu->ways; n++) {
+                       for (n = way + 1; n < n_ways; n++) {
                                if (pd0[way] != pd0[n])
                                        continue;
 
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi 
b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index f7bd26458915..42e433da79ec 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -420,6 +420,7 @@
        vqmmc-supply = <&ldo1_reg>;
        bus-width = <4>;
        cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>; /* gpio 219 */
+       no-1-8-v;
 };
 
 &mmc2 {
diff --git a/arch/arm/boot/dts/dra76x-mmc-iodelay.dtsi 
b/arch/arm/boot/dts/dra76x-mmc-iodelay.dtsi
index baba7b00eca7..fdca48186916 100644
--- a/arch/arm/boot/dts/dra76x-mmc-iodelay.dtsi
+++ b/arch/arm/boot/dts/dra76x-mmc-iodelay.dtsi
@@ -22,7 +22,7 @@
  *
  * Datamanual Revisions:
  *
- * DRA76x Silicon Revision 1.0: SPRS993A, Revised July 2017
+ * DRA76x Silicon Revision 1.0: SPRS993E, Revised December 2018
  *
  */
 
@@ -169,25 +169,25 @@
        /* Corresponds to MMC2_HS200_MANUAL1 in datamanual */
        mmc2_iodelay_hs200_conf: mmc2_iodelay_hs200_conf {
                pinctrl-pin-array = <
-                       0x190 A_DELAY_PS(384) G_DELAY_PS(0)       /* 
CFG_GPMC_A19_OEN */
-                       0x194 A_DELAY_PS(0) G_DELAY_PS(174)       /* 
CFG_GPMC_A19_OUT */
-                       0x1a8 A_DELAY_PS(410) G_DELAY_PS(0)       /* 
CFG_GPMC_A20_OEN */
-                       0x1ac A_DELAY_PS(85) G_DELAY_PS(0)        /* 
CFG_GPMC_A20_OUT */
-                       0x1b4 A_DELAY_PS(468) G_DELAY_PS(0)       /* 
CFG_GPMC_A21_OEN */
-                       0x1b8 A_DELAY_PS(139) G_DELAY_PS(0)       /* 
CFG_GPMC_A21_OUT */
-                       0x1c0 A_DELAY_PS(676) G_DELAY_PS(0)       /* 
CFG_GPMC_A22_OEN */
-                       0x1c4 A_DELAY_PS(69) G_DELAY_PS(0)        /* 
CFG_GPMC_A22_OUT */
-                       0x1d0 A_DELAY_PS(1062) G_DELAY_PS(154)    /* 
CFG_GPMC_A23_OUT */
-                       0x1d8 A_DELAY_PS(640) G_DELAY_PS(0)       /* 
CFG_GPMC_A24_OEN */
-                       0x1dc A_DELAY_PS(0) G_DELAY_PS(0)         /* 
CFG_GPMC_A24_OUT */
-                       0x1e4 A_DELAY_PS(356) G_DELAY_PS(0)       /* 
CFG_GPMC_A25_OEN */
-                       0x1e8 A_DELAY_PS(0) G_DELAY_PS(0)         /* 
CFG_GPMC_A25_OUT */
-                       0x1f0 A_DELAY_PS(579) G_DELAY_PS(0)       /* 
CFG_GPMC_A26_OEN */
-                       0x1f4 A_DELAY_PS(0) G_DELAY_PS(0)         /* 
CFG_GPMC_A26_OUT */
-                       0x1fc A_DELAY_PS(435) G_DELAY_PS(0)       /* 
CFG_GPMC_A27_OEN */
-                       0x200 A_DELAY_PS(36) G_DELAY_PS(0)        /* 
CFG_GPMC_A27_OUT */
-                       0x364 A_DELAY_PS(759) G_DELAY_PS(0)       /* 
CFG_GPMC_CS1_OEN */
-                       0x368 A_DELAY_PS(72) G_DELAY_PS(0)        /* 
CFG_GPMC_CS1_OUT */
+                       0x190 A_DELAY_PS(384) G_DELAY_PS(0)     /* 
CFG_GPMC_A19_OEN */
+                       0x194 A_DELAY_PS(350) G_DELAY_PS(174)   /* 
CFG_GPMC_A19_OUT */
+                       0x1a8 A_DELAY_PS(410) G_DELAY_PS(0)     /* 
CFG_GPMC_A20_OEN */
+                       0x1ac A_DELAY_PS(335) G_DELAY_PS(0)     /* 
CFG_GPMC_A20_OUT */
+                       0x1b4 A_DELAY_PS(468) G_DELAY_PS(0)     /* 
CFG_GPMC_A21_OEN */
+                       0x1b8 A_DELAY_PS(339) G_DELAY_PS(0)     /* 
CFG_GPMC_A21_OUT */
+                       0x1c0 A_DELAY_PS(676) G_DELAY_PS(0)     /* 
CFG_GPMC_A22_OEN */
+                       0x1c4 A_DELAY_PS(219) G_DELAY_PS(0)     /* 
CFG_GPMC_A22_OUT */
+                       0x1d0 A_DELAY_PS(1062) G_DELAY_PS(154)  /* 
CFG_GPMC_A23_OUT */
+                       0x1d8 A_DELAY_PS(640) G_DELAY_PS(0)     /* 
CFG_GPMC_A24_OEN */
+                       0x1dc A_DELAY_PS(150) G_DELAY_PS(0)     /* 
CFG_GPMC_A24_OUT */
+                       0x1e4 A_DELAY_PS(356) G_DELAY_PS(0)     /* 
CFG_GPMC_A25_OEN */
+                       0x1e8 A_DELAY_PS(150) G_DELAY_PS(0)     /* 
CFG_GPMC_A25_OUT */
+                       0x1f0 A_DELAY_PS(579) G_DELAY_PS(0)     /* 
CFG_GPMC_A26_OEN */
+                       0x1f4 A_DELAY_PS(200) G_DELAY_PS(0)     /* 
CFG_GPMC_A26_OUT */
+                       0x1fc A_DELAY_PS(435) G_DELAY_PS(0)     /* 
CFG_GPMC_A27_OEN */
+                       0x200 A_DELAY_PS(236) G_DELAY_PS(0)     /* 
CFG_GPMC_A27_OUT */
+                       0x364 A_DELAY_PS(759) G_DELAY_PS(0)     /* 
CFG_GPMC_CS1_OEN */
+                       0x368 A_DELAY_PS(372) G_DELAY_PS(0)     /* 
CFG_GPMC_CS1_OUT */
              >;
        };
 
diff --git a/arch/arm/configs/mvebu_v7_defconfig 
b/arch/arm/configs/mvebu_v7_defconfig
index 55140219ab11..001460ee519e 100644
--- a/arch/arm/configs/mvebu_v7_defconfig
+++ b/arch/arm/configs/mvebu_v7_defconfig
@@ -131,6 +131,7 @@ CONFIG_MV_XOR=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_MEMORY=y
 CONFIG_PWM=y
+CONFIG_PHY_MVEBU_A38X_COMPHY=y
 CONFIG_EXT4_FS=y
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c 
b/arch/arm/mach-imx/cpuidle-imx6sx.c
index fd0053e47a15..3708a71f30e6 100644
--- a/arch/arm/mach-imx/cpuidle-imx6sx.c
+++ b/arch/arm/mach-imx/cpuidle-imx6sx.c
@@ -15,6 +15,7 @@
 
 #include "common.h"
 #include "cpuidle.h"
+#include "hardware.h"
 
 static int imx6sx_idle_finish(unsigned long val)
 {
@@ -110,7 +111,7 @@ int __init imx6sx_cpuidle_init(void)
         * except for power up sw2iso which need to be
         * larger than LDO ramp up time.
         */
-       imx_gpc_set_arm_power_up_timing(0xf, 1);
+       imx_gpc_set_arm_power_up_timing(cpu_is_imx6sx() ? 0xf : 0x2, 1);
        imx_gpc_set_arm_power_down_timing(1, 1);
 
        return cpuidle_register(&imx6sx_cpuidle_driver, NULL);
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index b025304bde46..8fbd583b18e1 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -51,6 +51,7 @@ endif
 
 KBUILD_CFLAGS  += -mgeneral-regs-only $(lseinstr) $(brokengasinst)
 KBUILD_CFLAGS  += -fno-asynchronous-unwind-tables
+KBUILD_CFLAGS  += -Wno-psabi
 KBUILD_AFLAGS  += $(lseinstr) $(brokengasinst)
 
 KBUILD_CFLAGS  += $(call cc-option,-mabi=lp64)
diff --git a/arch/arm64/include/uapi/asm/ptrace.h 
b/arch/arm64/include/uapi/asm/ptrace.h
index d78623acb649..438759e7e8a7 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -65,8 +65,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/prctl.h>
-
 /*
  * User structures for general purpose, floating point and debug registers.
  */
@@ -113,10 +111,10 @@ struct user_sve_header {
 
 /*
  * Common SVE_PT_* flags:
- * These must be kept in sync with prctl interface in <linux/ptrace.h>
+ * These must be kept in sync with prctl interface in <linux/prctl.h>
  */
-#define SVE_PT_VL_INHERIT              (PR_SVE_VL_INHERIT >> 16)
-#define SVE_PT_VL_ONEXEC               (PR_SVE_SET_VL_ONEXEC >> 16)
+#define SVE_PT_VL_INHERIT              ((1 << 17) /* PR_SVE_VL_INHERIT */ >> 
16)
+#define SVE_PT_VL_ONEXEC               ((1 << 18) /* PR_SVE_SET_VL_ONEXEC */ 
>> 16)
 
 
 /*
diff --git a/arch/arm64/kernel/ssbd.c b/arch/arm64/kernel/ssbd.c
index 885f13e58708..52cfc6148355 100644
--- a/arch/arm64/kernel/ssbd.c
+++ b/arch/arm64/kernel/ssbd.c
@@ -5,6 +5,7 @@
 
 #include <linux/compat.h>
 #include <linux/errno.h>
+#include <linux/prctl.h>
 #include <linux/sched.h>
 #include <linux/sched/task_stack.h>
 #include <linux/thread_info.h>
diff --git a/arch/mips/include/asm/ginvt.h b/arch/mips/include/asm/ginvt.h
index 49c6dbe37338..6eb7c2b94dc7 100644
--- a/arch/mips/include/asm/ginvt.h
+++ b/arch/mips/include/asm/ginvt.h
@@ -19,7 +19,7 @@ _ASM_MACRO_1R1I(ginvt, rs, type,
 # define _ASM_SET_GINV
 #endif
 
-static inline void ginvt(unsigned long addr, enum ginvt_type type)
+static __always_inline void ginvt(unsigned long addr, enum ginvt_type type)
 {
        asm volatile(
                ".set   push\n"
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 4aaff3b3175c..6dbe4eab0a0e 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -112,9 +112,6 @@ int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct 
pt_regs *regs)
         */
        aup->resume_epc = regs->cp0_epc + 4;
        if (insn_has_delay_slot((union mips_instruction) aup->insn[0])) {
-               unsigned long epc;
-
-               epc = regs->cp0_epc;
                __compute_return_epc_for_insn(regs,
                        (union mips_instruction) aup->insn[0]);
                aup->resume_epc = regs->cp0_epc;
diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h
index 933423fa5144..b0db61188a61 100644
--- a/arch/parisc/math-emu/cnv_float.h
+++ b/arch/parisc/math-emu/cnv_float.h
@@ -60,19 +60,19 @@
     ((exponent < (SGL_P - 1)) ?                                \
      (Sall(sgl_value) << (SGL_EXP_LENGTH + 1 + exponent)) : FALSE)
 
-#define Int_isinexact_to_sgl(int_value)        (int_value << 33 - 
SGL_EXP_LENGTH)
+#define Int_isinexact_to_sgl(int_value)        ((int_value << 33 - 
SGL_EXP_LENGTH) != 0)
 
 #define Sgl_roundnearest_from_int(int_value,sgl_value)                 \
     if (int_value & 1<<(SGL_EXP_LENGTH - 2))   /* round bit */         \
-       if ((int_value << 34 - SGL_EXP_LENGTH) || Slow(sgl_value))      \
+       if (((int_value << 34 - SGL_EXP_LENGTH) != 0) || Slow(sgl_value)) \
                Sall(sgl_value)++
 
 #define Dint_isinexact_to_sgl(dint_valueA,dint_valueB)         \
-    ((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) || Dintp2(dint_valueB))
+    (((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) != 0) || 
Dintp2(dint_valueB))
 
 #define Sgl_roundnearest_from_dint(dint_valueA,dint_valueB,sgl_value)  \
     if (Dintp1(dint_valueA) & 1<<(SGL_EXP_LENGTH - 2))                         
\
-       if ((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) ||             \
+       if (((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) != 0) ||      \
        Dintp2(dint_valueB) || Slow(sgl_value)) Sall(sgl_value)++
 
 #define Dint_isinexact_to_dbl(dint_value)      \
diff --git a/arch/powerpc/include/asm/ppc-opcode.h 
b/arch/powerpc/include/asm/ppc-opcode.h
index 23f7ed796f38..49d65cd08ee0 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -342,6 +342,7 @@
 #define PPC_INST_MADDLD                        0x10000033
 #define PPC_INST_DIVWU                 0x7c000396
 #define PPC_INST_DIVD                  0x7c0003d2
+#define PPC_INST_DIVDU                 0x7c000392
 #define PPC_INST_RLWINM                        0x54000000
 #define PPC_INST_RLWINM_DOT            0x54000001
 #define PPC_INST_RLWIMI                        0x50000000
diff --git a/arch/powerpc/mm/mmu_context_book3s64.c 
b/arch/powerpc/mm/mmu_context_book3s64.c
index f720c5cc0b5e..8751ae2e2d04 100644
--- a/arch/powerpc/mm/mmu_context_book3s64.c
+++ b/arch/powerpc/mm/mmu_context_book3s64.c
@@ -55,14 +55,48 @@ EXPORT_SYMBOL_GPL(hash__alloc_context_id);
 
 void slb_setup_new_exec(void);
 
+static int realloc_context_ids(mm_context_t *ctx)
+{
+       int i, id;
+
+       /*
+        * id 0 (aka. ctx->id) is special, we always allocate a new one, even if
+        * there wasn't one allocated previously (which happens in the exec
+        * case where ctx is newly allocated).
+        *
+        * We have to be a bit careful here. We must keep the existing ids in
+        * the array, so that we can test if they're non-zero to decide if we
+        * need to allocate a new one. However in case of error we must free the
+        * ids we've allocated but *not* any of the existing ones (or risk a
+        * UAF). That's why we decrement i at the start of the error handling
+        * loop, to skip the id that we just tested but couldn't reallocate.
+        */
+       for (i = 0; i < ARRAY_SIZE(ctx->extended_id); i++) {
+               if (i == 0 || ctx->extended_id[i]) {
+                       id = hash__alloc_context_id();
+                       if (id < 0)
+                               goto error;
+
+                       ctx->extended_id[i] = id;
+               }
+       }
+
+       /* The caller expects us to return id */
+       return ctx->id;
+
+error:
+       for (i--; i >= 0; i--) {
+               if (ctx->extended_id[i])
+                       ida_free(&mmu_context_ida, ctx->extended_id[i]);
+       }
+
+       return id;
+}
+
 static int hash__init_new_context(struct mm_struct *mm)
 {
        int index;
 
-       index = hash__alloc_context_id();
-       if (index < 0)
-               return index;
-
        /*
         * The old code would re-promote on fork, we don't do that when using
         * slices as it could cause problem promoting slices that have been
@@ -80,6 +114,10 @@ static int hash__init_new_context(struct mm_struct *mm)
        if (mm->context.id == 0)
                slice_init_new_context_exec(mm);
 
+       index = realloc_context_ids(&mm->context);
+       if (index < 0)
+               return index;
+
        subpage_prot_init_new_context(mm);
 
        pkey_mm_init(mm);
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index dcac37745b05..1e932898d430 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h
@@ -116,7 +116,7 @@
                                     ___PPC_RA(a) | IMM_L(i))
 #define PPC_DIVWU(d, a, b)     EMIT(PPC_INST_DIVWU | ___PPC_RT(d) |          \
                                     ___PPC_RA(a) | ___PPC_RB(b))
-#define PPC_DIVD(d, a, b)      EMIT(PPC_INST_DIVD | ___PPC_RT(d) |           \
+#define PPC_DIVDU(d, a, b)     EMIT(PPC_INST_DIVDU | ___PPC_RT(d) |          \
                                     ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_AND(d, a, b)       EMIT(PPC_INST_AND | ___PPC_RA(d) |            \
                                     ___PPC_RS(a) | ___PPC_RB(b))
diff --git a/arch/powerpc/net/bpf_jit_comp64.c 
b/arch/powerpc/net/bpf_jit_comp64.c
index 21a1dcd4b156..e3fedeffe40f 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -399,12 +399,12 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 
*image,
                case BPF_ALU64 | BPF_DIV | BPF_X: /* dst /= src */
                case BPF_ALU64 | BPF_MOD | BPF_X: /* dst %= src */
                        if (BPF_OP(code) == BPF_MOD) {
-                               PPC_DIVD(b2p[TMP_REG_1], dst_reg, src_reg);
+                               PPC_DIVDU(b2p[TMP_REG_1], dst_reg, src_reg);
                                PPC_MULD(b2p[TMP_REG_1], src_reg,
                                                b2p[TMP_REG_1]);
                                PPC_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]);
                        } else
-                               PPC_DIVD(dst_reg, dst_reg, src_reg);
+                               PPC_DIVDU(dst_reg, dst_reg, src_reg);
                        break;
                case BPF_ALU | BPF_MOD | BPF_K: /* (u32) dst %= (u32) imm */
                case BPF_ALU | BPF_DIV | BPF_K: /* (u32) dst /= (u32) imm */
@@ -432,7 +432,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 
*image,
                                break;
                        case BPF_ALU64:
                                if (BPF_OP(code) == BPF_MOD) {
-                                       PPC_DIVD(b2p[TMP_REG_2], dst_reg,
+                                       PPC_DIVDU(b2p[TMP_REG_2], dst_reg,
                                                        b2p[TMP_REG_1]);
                                        PPC_MULD(b2p[TMP_REG_1],
                                                        b2p[TMP_REG_1],
@@ -440,7 +440,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 
*image,
                                        PPC_SUB(dst_reg, dst_reg,
                                                        b2p[TMP_REG_1]);
                                } else
-                                       PPC_DIVD(dst_reg, dst_reg,
+                                       PPC_DIVDU(dst_reg, dst_reg,
                                                        b2p[TMP_REG_1]);
                                break;
                        }
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 88401d5125bc..523dbfbac03d 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -29,6 +29,7 @@
 
 #include <asm/pgalloc.h>
 #include <asm/ptrace.h>
+#include <asm/tlbflush.h>
 
 /*
  * This routine handles page faults.  It determines the address and the
@@ -281,6 +282,18 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
                pte_k = pte_offset_kernel(pmd_k, addr);
                if (!pte_present(*pte_k))
                        goto no_context;
+
+               /*
+                * The kernel assumes that TLBs don't cache invalid
+                * entries, but in RISC-V, SFENCE.VMA specifies an
+                * ordering constraint, not a cache flush; it is
+                * necessary even after writing invalid entries.
+                * Relying on flush_tlb_fix_spurious_fault would
+                * suffice, but the extra traps reduce
+                * performance. So, eagerly SFENCE.VMA.
+                */
+               local_flush_tlb_page(addr);
+
                return;
        }
 }
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 9a26b442f820..8e645ddac58e 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -356,6 +356,8 @@ static int get_vdev_port_node_info(struct mdesc_handle *md, 
u64 node,
 
        node_info->vdev_port.id = *idp;
        node_info->vdev_port.name = kstrdup_const(name, GFP_KERNEL);
+       if (!node_info->vdev_port.name)
+               return -1;
        node_info->vdev_port.parent_cfg_hdl = *parent_cfg_hdlp;
 
        return 0;
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 6de7c684c29f..a58ae9c42803 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -891,6 +891,10 @@ static int sparc_perf_event_set_period(struct perf_event 
*event,
        s64 period = hwc->sample_period;
        int ret = 0;
 
+       /* The period may have been changed by PERF_EVENT_IOC_PERIOD */
+       if (unlikely(period != hwc->last_period))
+               left = period - (hwc->last_period - left);
+
        if (unlikely(left <= -period)) {
                left = period;
                local64_set(&hwc->period_left, left);
diff --git a/arch/x86/entry/vdso/vclock_gettime.c 
b/arch/x86/entry/vdso/vclock_gettime.c
index 98c7d12b945c..ed7ddee1ae69 100644
--- a/arch/x86/entry/vdso/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vclock_gettime.c
@@ -128,13 +128,24 @@ notrace static inline u64 vgetcyc(int mode)
 {
        if (mode == VCLOCK_TSC)
                return (u64)rdtsc_ordered();
+
+       /*
+        * For any memory-mapped vclock type, we need to make sure that gcc
+        * doesn't cleverly hoist a load before the mode check.  Otherwise we
+        * might end up touching the memory-mapped page even if the vclock in
+        * question isn't enabled, which will segfault.  Hence the barriers.
+        */
 #ifdef CONFIG_PARAVIRT_CLOCK
-       else if (mode == VCLOCK_PVCLOCK)
+       if (mode == VCLOCK_PVCLOCK) {
+               barrier();
                return vread_pvclock();
+       }
 #endif
 #ifdef CONFIG_HYPERV_TSCPAGE
-       else if (mode == VCLOCK_HVCLOCK)
+       if (mode == VCLOCK_HVCLOCK) {
+               barrier();
                return vread_hvclock();
+       }
 #endif
        return U64_MAX;
 }
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c 
b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 85212a32b54d..c51b56e29948 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -2556,7 +2556,7 @@ static int rdtgroup_init_alloc(struct rdtgroup *rdtgrp)
                                if (closid_allocated(i) && i != closid) {
                                        mode = rdtgroup_mode_by_closid(i);
                                        if (mode == RDT_MODE_PSEUDO_LOCKSETUP)
-                                               break;
+                                               continue;
                                        /*
                                         * If CDP is active include peer
                                         * domain's usage to ensure there
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d9c7b45d231f..85438a624930 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5591,14 +5591,18 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
        struct page *page;
        int i;
 
-       if (tdp_enabled)
-               return 0;
-
        /*
-        * When emulating 32-bit mode, cr3 is only 32 bits even on x86_64.
-        * Therefore we need to allocate shadow page tables in the first
-        * 4GB of memory, which happens to fit the DMA32 zone.
+        * When using PAE paging, the four PDPTEs are treated as 'root' pages,
+        * while the PDP table is a per-vCPU construct that's allocated at MMU
+        * creation.  When emulating 32-bit mode, cr3 is only 32 bits even on
+        * x86_64.  Therefore we need to allocate the PDP table in the first
+        * 4GB of memory, which happens to fit the DMA32 zone.  Except for
+        * SVM's 32-bit NPT support, TDP paging doesn't use PAE paging and can
+        * skip allocating the PDP table.
         */
+       if (tdp_enabled && kvm_x86_ops->get_tdp_level(vcpu) > PT32E_ROOT_LEVEL)
+               return 0;
+
        page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_DMA32);
        if (!page)
                return -ENOMEM;
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 4ec6fbb696bf..a5139f1d9220 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -310,7 +310,8 @@ extern char _SecondaryResetVector_text_start;
 extern char _SecondaryResetVector_text_end;
 #endif
 
-static inline int mem_reserve(unsigned long start, unsigned long end)
+static inline int __init_memblock mem_reserve(unsigned long start,
+                                             unsigned long end)
 {
        return memblock_reserve(start, end - start);
 }
diff --git a/crypto/hmac.c b/crypto/hmac.c
index 4b8c8ee8f15c..c623778b36ba 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -168,8 +168,10 @@ static int hmac_init_tfm(struct crypto_tfm *tfm)
 
        parent->descsize = sizeof(struct shash_desc) +
                           crypto_shash_descsize(hash);
-       if (WARN_ON(parent->descsize > HASH_MAX_DESCSIZE))
+       if (WARN_ON(parent->descsize > HASH_MAX_DESCSIZE)) {
+               crypto_free_shash(hash);
                return -EINVAL;
+       }
 
        ctx->hash = hash;
        return 0;
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 4b9c7ca492e6..cc19d91c1688 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1950,8 +1950,18 @@ static void binder_free_txn_fixups(struct 
binder_transaction *t)
 
 static void binder_free_transaction(struct binder_transaction *t)
 {
-       if (t->buffer)
-               t->buffer->transaction = NULL;
+       struct binder_proc *target_proc = t->to_proc;
+
+       if (target_proc) {
+               binder_inner_proc_lock(target_proc);
+               if (t->buffer)
+                       t->buffer->transaction = NULL;
+               binder_inner_proc_unlock(target_proc);
+       }
+       /*
+        * If the transaction has no target_proc, then
+        * t->buffer->transaction has already been cleared.
+        */
        binder_free_txn_fixups(t);
        kfree(t);
        binder_stats_deleted(BINDER_STAT_TRANSACTION);
@@ -3550,10 +3560,12 @@ static void binder_transaction(struct binder_proc *proc,
 static void
 binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer)
 {
+       binder_inner_proc_lock(proc);
        if (buffer->transaction) {
                buffer->transaction->buffer = NULL;
                buffer->transaction = NULL;
        }
+       binder_inner_proc_unlock(proc);
        if (buffer->async_transaction && buffer->target_node) {
                struct binder_node *buf_node;
                struct binder_work *w;
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index cd57747286f2..9635897458a0 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -77,6 +77,7 @@ static void unmap_udmabuf(struct dma_buf_attachment *at,
                          struct sg_table *sg,
                          enum dma_data_direction direction)
 {
+       dma_unmap_sg(at->dev, sg->sgl, sg->nents, direction);
        sg_free_table(sg);
        kfree(sg);
 }
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index 9ce0a386225b..f49534019d37 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -666,10 +666,11 @@ static enum dma_status jz4780_dma_tx_status(struct 
dma_chan *chan,
        return status;
 }
 
-static void jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma,
-       struct jz4780_dma_chan *jzchan)
+static bool jz4780_dma_chan_irq(struct jz4780_dma_dev *jzdma,
+                               struct jz4780_dma_chan *jzchan)
 {
        uint32_t dcs;
+       bool ack = true;
 
        spin_lock(&jzchan->vchan.lock);
 
@@ -692,12 +693,20 @@ static void jz4780_dma_chan_irq(struct jz4780_dma_dev 
*jzdma,
                if ((dcs & (JZ_DMA_DCS_AR | JZ_DMA_DCS_HLT)) == 0) {
                        if (jzchan->desc->type == DMA_CYCLIC) {
                                vchan_cyclic_callback(&jzchan->desc->vdesc);
-                       } else {
+
+                               jz4780_dma_begin(jzchan);
+                       } else if (dcs & JZ_DMA_DCS_TT) {
                                vchan_cookie_complete(&jzchan->desc->vdesc);
                                jzchan->desc = NULL;
-                       }
 
-                       jz4780_dma_begin(jzchan);
+                               jz4780_dma_begin(jzchan);
+                       } else {
+                               /* False positive - continue the transfer */
+                               ack = false;
+                               jz4780_dma_chn_writel(jzdma, jzchan->id,
+                                                     JZ_DMA_REG_DCS,
+                                                     JZ_DMA_DCS_CTE);
+                       }
                }
        } else {
                dev_err(&jzchan->vchan.chan.dev->device,
@@ -705,21 +714,22 @@ static void jz4780_dma_chan_irq(struct jz4780_dma_dev 
*jzdma,
        }
 
        spin_unlock(&jzchan->vchan.lock);
+
+       return ack;
 }
 
 static irqreturn_t jz4780_dma_irq_handler(int irq, void *data)
 {
        struct jz4780_dma_dev *jzdma = data;
+       unsigned int nb_channels = jzdma->soc_data->nb_channels;
        uint32_t pending, dmac;
        int i;
 
        pending = jz4780_dma_ctrl_readl(jzdma, JZ_DMA_REG_DIRQP);
 
-       for (i = 0; i < jzdma->soc_data->nb_channels; i++) {
-               if (!(pending & (1<<i)))
-                       continue;
-
-               jz4780_dma_chan_irq(jzdma, &jzdma->chan[i]);
+       for_each_set_bit(i, (unsigned long *)&pending, nb_channels) {
+               if (jz4780_dma_chan_irq(jzdma, &jzdma->chan[i]))
+                       pending &= ~BIT(i);
        }
 
        /* Clear halt and address error status of all channels. */
@@ -728,7 +738,7 @@ static irqreturn_t jz4780_dma_irq_handler(int irq, void 
*data)
        jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DMAC, dmac);
 
        /* Clear interrupt pending status. */
-       jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DIRQP, 0);
+       jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DIRQP, pending);
 
        return IRQ_HANDLED;
 }
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c 
b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index b2ac1d2c5b86..a1ce307c502f 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -512,7 +512,8 @@ dma_chan_prep_dma_memcpy(struct dma_chan *dchan, dma_addr_t 
dst_adr,
        return vchan_tx_prep(&chan->vc, &first->vd, flags);
 
 err_desc_get:
-       axi_desc_put(first);
+       if (first)
+               axi_desc_put(first);
        return NULL;
 }
 
diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c
index 814853842e29..723b11c190b3 100644
--- a/drivers/dma/mediatek/mtk-cqdma.c
+++ b/drivers/dma/mediatek/mtk-cqdma.c
@@ -225,7 +225,7 @@ static int mtk_cqdma_hard_reset(struct mtk_cqdma_pchan *pc)
        mtk_dma_set(pc, MTK_CQDMA_RESET, MTK_CQDMA_HARD_RST_BIT);
        mtk_dma_clr(pc, MTK_CQDMA_RESET, MTK_CQDMA_HARD_RST_BIT);
 
-       return mtk_cqdma_poll_engine_done(pc, false);
+       return mtk_cqdma_poll_engine_done(pc, true);
 }
 
 static void mtk_cqdma_start(struct mtk_cqdma_pchan *pc,
@@ -671,7 +671,7 @@ static void mtk_cqdma_free_chan_resources(struct dma_chan 
*c)
                mtk_dma_set(cvc->pc, MTK_CQDMA_FLUSH, MTK_CQDMA_FLUSH_BIT);
 
                /* wait for the completion of flush operation */
-               if (mtk_cqdma_poll_engine_done(cvc->pc, false) < 0)
+               if (mtk_cqdma_poll_engine_done(cvc->pc, true) < 0)
                        dev_err(cqdma2dev(to_cqdma_dev(c)), "cqdma flush 
timeout\n");
 
                /* clear the flush bit and interrupt flag */
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index 48431e2da987..01abed5cde49 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -510,7 +510,9 @@ static void sprd_dma_start(struct sprd_dma_chn *schan)
        sprd_dma_set_uid(schan);
        sprd_dma_enable_chn(schan);
 
-       if (schan->dev_id == SPRD_DMA_SOFTWARE_UID)
+       if (schan->dev_id == SPRD_DMA_SOFTWARE_UID &&
+           schan->chn_mode != SPRD_DMA_DST_CHN0 &&
+           schan->chn_mode != SPRD_DMA_DST_CHN1)
                sprd_dma_soft_request(schan);
 }
 
@@ -552,12 +554,17 @@ static irqreturn_t dma_irq_handle(int irq, void *dev_id)
                schan = &sdev->channels[i];
 
                spin_lock(&schan->vc.lock);
+
+               sdesc = schan->cur_desc;
+               if (!sdesc) {
+                       spin_unlock(&schan->vc.lock);
+                       return IRQ_HANDLED;
+               }
+
                int_type = sprd_dma_get_int_type(schan);
                req_type = sprd_dma_get_req_type(schan);
                sprd_dma_clear_int(schan);
 
-               sdesc = schan->cur_desc;
-
                /* cyclic mode schedule callback */
                cyclic = schan->linklist.phy_addr ? true : false;
                if (cyclic == true) {
@@ -625,7 +632,7 @@ static enum dma_status sprd_dma_tx_status(struct dma_chan 
*chan,
                else
                        pos = 0;
        } else if (schan->cur_desc && schan->cur_desc->vd.tx.cookie == cookie) {
-               struct sprd_dma_desc *sdesc = to_sprd_dma_desc(vd);
+               struct sprd_dma_desc *sdesc = schan->cur_desc;
 
                if (sdesc->dir == DMA_DEV_TO_MEM)
                        pos = sprd_dma_get_dst_addr(schan);
@@ -771,7 +778,7 @@ static int sprd_dma_fill_desc(struct dma_chan *chan,
        temp |= slave_cfg->src_maxburst & SPRD_DMA_FRG_LEN_MASK;
        hw->frg_len = temp;
 
-       hw->blk_len = len & SPRD_DMA_BLK_LEN_MASK;
+       hw->blk_len = slave_cfg->src_maxburst & SPRD_DMA_BLK_LEN_MASK;
        hw->trsc_len = len & SPRD_DMA_TRSC_LEN_MASK;
 
        temp = (dst_step & SPRD_DMA_TRSF_STEP_MASK) << 
SPRD_DMA_DEST_TRSF_STEP_OFFSET;
@@ -904,6 +911,12 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct 
scatterlist *sgl,
                schan->linklist.virt_addr = 0;
        }
 
+       /* Set channel mode and trigger mode for 2-stage transfer */
+       schan->chn_mode =
+               (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK;
+       schan->trg_mode =
+               (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK;
+
        sdesc = kzalloc(sizeof(*sdesc), GFP_NOWAIT);
        if (!sdesc)
                return NULL;
@@ -937,12 +950,6 @@ sprd_dma_prep_slave_sg(struct dma_chan *chan, struct 
scatterlist *sgl,
                }
        }
 
-       /* Set channel mode and trigger mode for 2-stage transfer */
-       schan->chn_mode =
-               (flags >> SPRD_DMA_CHN_MODE_SHIFT) & SPRD_DMA_CHN_MODE_MASK;
-       schan->trg_mode =
-               (flags >> SPRD_DMA_TRG_MODE_SHIFT) & SPRD_DMA_TRG_MODE_MASK;
-
        ret = sprd_dma_fill_desc(chan, &sdesc->chn_hw, 0, 0, src, dst, len,
                                 dir, flags, slave_cfg);
        if (ret) {
diff --git a/drivers/fpga/dfl-afu-dma-region.c 
b/drivers/fpga/dfl-afu-dma-region.c
index e18a786fc943..cd68002ac097 100644
--- a/drivers/fpga/dfl-afu-dma-region.c
+++ b/drivers/fpga/dfl-afu-dma-region.c
@@ -399,7 +399,7 @@ int afu_dma_map_region(struct dfl_feature_platform_data 
*pdata,
                                    region->pages[0], 0,
                                    region->length,
                                    DMA_BIDIRECTIONAL);
-       if (dma_mapping_error(&pdata->dev->dev, region->iova)) {
+       if (dma_mapping_error(dfl_fpga_pdata_to_parent(pdata), region->iova)) {
                dev_err(&pdata->dev->dev, "failed to map for dma\n");
                ret = -EFAULT;
                goto unpin_pages;
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index 2c09e502e721..c25217cde5ca 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -40,6 +40,13 @@ enum dfl_fpga_devt_type {
        DFL_FPGA_DEVT_MAX,
 };
 
+static struct lock_class_key dfl_pdata_keys[DFL_ID_MAX];
+
+static const char *dfl_pdata_key_strings[DFL_ID_MAX] = {
+       "dfl-fme-pdata",
+       "dfl-port-pdata",
+};
+
 /**
  * dfl_dev_info - dfl feature device information.
  * @name: name string of the feature platform device.
@@ -443,11 +450,16 @@ static int build_info_commit_dev(struct 
build_feature_devs_info *binfo)
        struct platform_device *fdev = binfo->feature_dev;
        struct dfl_feature_platform_data *pdata;
        struct dfl_feature_info *finfo, *p;
+       enum dfl_id_type type;
        int ret, index = 0;
 
        if (!fdev)
                return 0;
 
+       type = feature_dev_id_type(fdev);
+       if (WARN_ON_ONCE(type >= DFL_ID_MAX))
+               return -EINVAL;
+
        /*
         * we do not need to care for the memory which is associated with
         * the platform device. After calling platform_device_unregister(),
@@ -463,6 +475,8 @@ static int build_info_commit_dev(struct 
build_feature_devs_info *binfo)
        pdata->num = binfo->feature_num;
        pdata->dfl_cdev = binfo->cdev;
        mutex_init(&pdata->lock);
+       lockdep_set_class_and_name(&pdata->lock, &dfl_pdata_keys[type],
+                                  dfl_pdata_key_strings[type]);
 
        /*
         * the count should be initialized to 0 to make sure
@@ -497,7 +511,7 @@ static int build_info_commit_dev(struct 
build_feature_devs_info *binfo)
 
        ret = platform_device_add(binfo->feature_dev);
        if (!ret) {
-               if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)
+               if (type == PORT_ID)
                        dfl_fpga_cdev_add_port_dev(binfo->cdev,
                                                   binfo->feature_dev);
                else
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 13851b3d1c56..215d33789c74 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -507,12 +507,16 @@ static int __init s10_init(void)
        if (!fw_np)
                return -ENODEV;
 
+       of_node_get(fw_np);
        np = of_find_matching_node(fw_np, s10_of_match);
-       if (!np)
+       if (!np) {
+               of_node_put(fw_np);
                return -ENODEV;
+       }
 
        of_node_put(np);
        ret = of_platform_populate(fw_np, s10_of_match, NULL, NULL);
+       of_node_put(fw_np);
        if (ret)
                return ret;
 
diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index 0b2b62f8fa3c..a3efa28436ea 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -186,20 +186,20 @@ static void hdlcd_crtc_atomic_disable(struct drm_crtc 
*crtc,
        clk_disable_unprepare(hdlcd->clk);
 }
 
-static int hdlcd_crtc_atomic_check(struct drm_crtc *crtc,
-                                  struct drm_crtc_state *state)
+static enum drm_mode_status hdlcd_crtc_mode_valid(struct drm_crtc *crtc,
+               const struct drm_display_mode *mode)
 {
        struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
-       struct drm_display_mode *mode = &state->adjusted_mode;
        long rate, clk_rate = mode->clock * 1000;
 
        rate = clk_round_rate(hdlcd->clk, clk_rate);
-       if (rate != clk_rate) {
+       /* 0.1% seems a close enough tolerance for the TDA19988 on Juno */
+       if (abs(rate - clk_rate) * 1000 > clk_rate) {
                /* clock required by mode not supported by hardware */
-               return -EINVAL;
+               return MODE_NOCLOCK;
        }
 
-       return 0;
+       return MODE_OK;
 }
 
 static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc,
@@ -220,7 +220,7 @@ static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc,
 }
 
 static const struct drm_crtc_helper_funcs hdlcd_crtc_helper_funcs = {
-       .atomic_check   = hdlcd_crtc_atomic_check,
+       .mode_valid     = hdlcd_crtc_mode_valid,
        .atomic_begin   = hdlcd_crtc_atomic_begin,
        .atomic_enable  = hdlcd_crtc_atomic_enable,
        .atomic_disable = hdlcd_crtc_atomic_disable,
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index ab50ad06e271..64da56f4b0cf 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -192,6 +192,7 @@ static void malidp_atomic_commit_hw_done(struct 
drm_atomic_state *state)
 {
        struct drm_device *drm = state->dev;
        struct malidp_drm *malidp = drm->dev_private;
+       int loop = 5;
 
        malidp->event = malidp->crtc.state->event;
        malidp->crtc.state->event = NULL;
@@ -206,8 +207,18 @@ static void malidp_atomic_commit_hw_done(struct 
drm_atomic_state *state)
                        drm_crtc_vblank_get(&malidp->crtc);
 
                /* only set config_valid if the CRTC is enabled */
-               if (malidp_set_and_wait_config_valid(drm) < 0)
+               if (malidp_set_and_wait_config_valid(drm) < 0) {
+                       /*
+                        * make a loop around the second CVAL setting and
+                        * try 5 times before giving up.
+                        */
+                       while (loop--) {
+                               if (!malidp_set_and_wait_config_valid(drm))
+                                       break;
+                       }
                        DRM_DEBUG_DRIVER("timed out waiting for updated 
configuration\n");
+               }
+
        } else if (malidp->event) {
                /* CRTC inactive means vblank IRQ is disabled, send event 
directly */
                spin_lock_irq(&drm->event_lock);
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index cd8a22d6370e..be4024f0e3a8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11820,9 +11820,6 @@ intel_compare_link_m_n(const struct intel_link_m_n *m_n,
                              m2_n2->gmch_m, m2_n2->gmch_n, !adjust) &&
            intel_compare_m_n(m_n->link_m, m_n->link_n,
                              m2_n2->link_m, m2_n2->link_n, !adjust)) {
-               if (adjust)
-                       *m2_n2 = *m_n;
-
                return true;
        }
 
@@ -12855,6 +12852,33 @@ static int calc_watermark_data(struct 
intel_atomic_state *state)
        return 0;
 }
 
+static void intel_crtc_check_fastset(struct intel_crtc_state *old_crtc_state,
+                                    struct intel_crtc_state *new_crtc_state)
+{
+       struct drm_i915_private *dev_priv =
+               to_i915(new_crtc_state->base.crtc->dev);
+
+       if (!intel_pipe_config_compare(dev_priv, old_crtc_state,
+                                      new_crtc_state, true))
+               return;
+
+       new_crtc_state->base.mode_changed = false;
+       new_crtc_state->update_pipe = true;
+
+       /*
+        * If we're not doing the full modeset we want to
+        * keep the current M/N values as they may be
+        * sufficiently different to the computed values
+        * to cause problems.
+        *
+        * FIXME: should really copy more fuzzy state here
+        */
+       new_crtc_state->fdi_m_n = old_crtc_state->fdi_m_n;
+       new_crtc_state->dp_m_n = old_crtc_state->dp_m_n;
+       new_crtc_state->dp_m2_n2 = old_crtc_state->dp_m2_n2;
+       new_crtc_state->has_drrs = old_crtc_state->has_drrs;
+}
+
 /**
  * intel_atomic_check - validate state object
  * @dev: drm device
@@ -12903,12 +12927,8 @@ static int intel_atomic_check(struct drm_device *dev,
                        return ret;
                }
 
-               if (intel_pipe_config_compare(dev_priv,
-                                       to_intel_crtc_state(old_crtc_state),
-                                       pipe_config, true)) {
-                       crtc_state->mode_changed = false;
-                       pipe_config->update_pipe = true;
-               }
+               intel_crtc_check_fastset(to_intel_crtc_state(old_crtc_state),
+                                        pipe_config);
 
                if (needs_modeset(crtc_state))
                        any_ms = true;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c 
b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index 8b9270f31409..e4e09d47c5c0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -136,6 +136,114 @@ static int vmw_close_channel(struct rpc_channel *channel)
        return 0;
 }
 
+/**
+ * vmw_port_hb_out - Send the message payload either through the
+ * high-bandwidth port if available, or through the backdoor otherwise.
+ * @channel: The rpc channel.
+ * @msg: NULL-terminated message.
+ * @hb: Whether the high-bandwidth port is available.
+ *
+ * Return: The port status.
+ */
+static unsigned long vmw_port_hb_out(struct rpc_channel *channel,
+                                    const char *msg, bool hb)
+{
+       unsigned long si, di, eax, ebx, ecx, edx;
+       unsigned long msg_len = strlen(msg);
+
+       if (hb) {
+               unsigned long bp = channel->cookie_high;
+
+               si = (uintptr_t) msg;
+               di = channel->cookie_low;
+
+               VMW_PORT_HB_OUT(
+                       (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
+                       msg_len, si, di,
+                       VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
+                       VMW_HYPERVISOR_MAGIC, bp,
+                       eax, ebx, ecx, edx, si, di);
+
+               return ebx;
+       }
+
+       /* HB port not available. Send the message 4 bytes at a time. */
+       ecx = MESSAGE_STATUS_SUCCESS << 16;
+       while (msg_len && (HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS)) {
+               unsigned int bytes = min_t(size_t, msg_len, 4);
+               unsigned long word = 0;
+
+               memcpy(&word, msg, bytes);
+               msg_len -= bytes;
+               msg += bytes;
+               si = channel->cookie_high;
+               di = channel->cookie_low;
+
+               VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_SENDPAYLOAD << 16),
+                        word, si, di,
+                        VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
+                        VMW_HYPERVISOR_MAGIC,
+                        eax, ebx, ecx, edx, si, di);
+       }
+
+       return ecx;
+}
+
+/**
+ * vmw_port_hb_in - Receive the message payload either through the
+ * high-bandwidth port if available, or through the backdoor otherwise.
+ * @channel: The rpc channel.
+ * @reply: Pointer to buffer holding reply.
+ * @reply_len: Length of the reply.
+ * @hb: Whether the high-bandwidth port is available.
+ *
+ * Return: The port status.
+ */
+static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply,
+                                   unsigned long reply_len, bool hb)
+{
+       unsigned long si, di, eax, ebx, ecx, edx;
+
+       if (hb) {
+               unsigned long bp = channel->cookie_low;
+
+               si = channel->cookie_high;
+               di = (uintptr_t) reply;
+
+               VMW_PORT_HB_IN(
+                       (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
+                       reply_len, si, di,
+                       VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
+                       VMW_HYPERVISOR_MAGIC, bp,
+                       eax, ebx, ecx, edx, si, di);
+
+               return ebx;
+       }
+
+       /* HB port not available. Retrieve the message 4 bytes at a time. */
+       ecx = MESSAGE_STATUS_SUCCESS << 16;
+       while (reply_len) {
+               unsigned int bytes = min_t(unsigned long, reply_len, 4);
+
+               si = channel->cookie_high;
+               di = channel->cookie_low;
+
+               VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_RECVPAYLOAD << 16),
+                        MESSAGE_STATUS_SUCCESS, si, di,
+                        VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
+                        VMW_HYPERVISOR_MAGIC,
+                        eax, ebx, ecx, edx, si, di);
+
+               if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0)
+                       break;
+
+               memcpy(reply, &ebx, bytes);
+               reply_len -= bytes;
+               reply += bytes;
+       }
+
+       return ecx;
+}
 
 
 /**
@@ -148,11 +256,10 @@ static int vmw_close_channel(struct rpc_channel *channel)
  */
 static int vmw_send_msg(struct rpc_channel *channel, const char *msg)
 {
-       unsigned long eax, ebx, ecx, edx, si, di, bp;
+       unsigned long eax, ebx, ecx, edx, si, di;
        size_t msg_len = strlen(msg);
        int retries = 0;
 
-
        while (retries < RETRIES) {
                retries++;
 
@@ -166,23 +273,14 @@ static int vmw_send_msg(struct rpc_channel *channel, 
const char *msg)
                        VMW_HYPERVISOR_MAGIC,
                        eax, ebx, ecx, edx, si, di);
 
-               if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 ||
-                   (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) {
-                       /* Expected success + high-bandwidth. Give up. */
+               if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) {
+                       /* Expected success. Give up. */
                        return -EINVAL;
                }
 
                /* Send msg */
-               si  = (uintptr_t) msg;
-               di  = channel->cookie_low;
-               bp  = channel->cookie_high;
-
-               VMW_PORT_HB_OUT(
-                       (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
-                       msg_len, si, di,
-                       VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
-                       VMW_HYPERVISOR_MAGIC, bp,
-                       eax, ebx, ecx, edx, si, di);
+               ebx = vmw_port_hb_out(channel, msg,
+                                     !!(HIGH_WORD(ecx) & MESSAGE_STATUS_HB));
 
                if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) != 0) {
                        return 0;
@@ -211,7 +309,7 @@ STACK_FRAME_NON_STANDARD(vmw_send_msg);
 static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
                        size_t *msg_len)
 {
-       unsigned long eax, ebx, ecx, edx, si, di, bp;
+       unsigned long eax, ebx, ecx, edx, si, di;
        char *reply;
        size_t reply_len;
        int retries = 0;
@@ -233,8 +331,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void 
**msg,
                        VMW_HYPERVISOR_MAGIC,
                        eax, ebx, ecx, edx, si, di);
 
-               if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 ||
-                   (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) {
+               if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) {
                        DRM_ERROR("Failed to get reply size for host 
message.\n");
                        return -EINVAL;
                }
@@ -252,17 +349,8 @@ static int vmw_recv_msg(struct rpc_channel *channel, void 
**msg,
 
 
                /* Receive buffer */
-               si  = channel->cookie_high;
-               di  = (uintptr_t) reply;
-               bp  = channel->cookie_low;
-
-               VMW_PORT_HB_IN(
-                       (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
-                       reply_len, si, di,
-                       VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
-                       VMW_HYPERVISOR_MAGIC, bp,
-                       eax, ebx, ecx, edx, si, di);
-
+               ebx = vmw_port_hb_in(channel, reply, reply_len,
+                                    !!(HIGH_WORD(ecx) & MESSAGE_STATUS_HB));
                if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) == 0) {
                        kfree(reply);
 
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index c22dc1e07911..c38883f748a1 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -633,7 +633,7 @@ __hwmon_device_register(struct device *dev, const char 
*name, void *drvdata,
        if (err)
                goto free_hwmon;
 
-       if (dev && chip && chip->ops->read &&
+       if (dev && dev->of_node && chip && chip->ops->read &&
            chip->info[0]->type == hwmon_chip &&
            (chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) {
                const struct hwmon_channel_info **info = chip->info;
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 2e2b5851139c..cd24b375df1e 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1230,7 +1230,8 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client 
*client,
                                      const struct pmbus_driver_info *info,
                                      const char *name,
                                      int index, int page,
-                                     const struct pmbus_sensor_attr *attr)
+                                     const struct pmbus_sensor_attr *attr,
+                                     bool paged)
 {
        struct pmbus_sensor *base;
        bool upper = !!(attr->gbit & 0xff00);   /* need to check STATUS_WORD */
@@ -1238,7 +1239,7 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client 
*client,
 
        if (attr->label) {
                ret = pmbus_add_label(data, name, index, attr->label,
-                                     attr->paged ? page + 1 : 0);
+                                     paged ? page + 1 : 0);
                if (ret)
                        return ret;
        }
@@ -1271,6 +1272,30 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client 
*client,
        return 0;
 }
 
+static bool pmbus_sensor_is_paged(const struct pmbus_driver_info *info,
+                                 const struct pmbus_sensor_attr *attr)
+{
+       int p;
+
+       if (attr->paged)
+               return true;
+
+       /*
+        * Some attributes may be present on more than one page despite
+        * not being marked with the paged attribute. If that is the case,
+        * then treat the sensor as being paged and add the page suffix to the
+        * attribute name.
+        * We don't just add the paged attribute to all such attributes, in
+        * order to maintain the un-suffixed labels in the case where the
+        * attribute is only on page 0.
+        */
+       for (p = 1; p < info->pages; p++) {
+               if (info->func[p] & attr->func)
+                       return true;
+       }
+       return false;
+}
+
 static int pmbus_add_sensor_attrs(struct i2c_client *client,
                                  struct pmbus_data *data,
                                  const char *name,
@@ -1284,14 +1309,15 @@ static int pmbus_add_sensor_attrs(struct i2c_client 
*client,
        index = 1;
        for (i = 0; i < nattrs; i++) {
                int page, pages;
+               bool paged = pmbus_sensor_is_paged(info, attrs);
 
-               pages = attrs->paged ? info->pages : 1;
+               pages = paged ? info->pages : 1;
                for (page = 0; page < pages; page++) {
                        if (!(info->func[page] & attrs->func))
                                continue;
                        ret = pmbus_add_sensor_attrs_one(client, data, info,
                                                         name, index, page,
-                                                        attrs);
+                                                        attrs, paged);
                        if (ret)
                                return ret;
                        index++;
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h 
b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index d1d8d07a0714..83425b7b580c 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -265,6 +265,7 @@ struct st_lsm6dsx_sensor {
  * @conf_lock: Mutex to prevent concurrent FIFO configuration update.
  * @page_lock: Mutex to prevent concurrent memory page configuration.
  * @fifo_mode: FIFO operating mode supported by the device.
+ * @suspend_mask: Suspended sensor bitmask.
  * @enable_mask: Enabled sensor bitmask.
  * @ts_sip: Total number of timestamp samples in a given pattern.
  * @sip: Total number of samples (acc/gyro/ts) in a given pattern.
@@ -282,6 +283,7 @@ struct st_lsm6dsx_hw {
        struct mutex page_lock;
 
        enum st_lsm6dsx_fifo_mode fifo_mode;
+       u8 suspend_mask;
        u8 enable_mask;
        u8 ts_sip;
        u8 sip;
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c 
b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 12e29dda9b98..96986d84e418 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1023,8 +1023,6 @@ static int __maybe_unused st_lsm6dsx_suspend(struct 
device *dev)
 {
        struct st_lsm6dsx_hw *hw = dev_get_drvdata(dev);
        struct st_lsm6dsx_sensor *sensor;
-       const struct st_lsm6dsx_reg *reg;
-       unsigned int data;
        int i, err = 0;
 
        for (i = 0; i < ST_LSM6DSX_ID_MAX; i++) {
@@ -1035,12 +1033,16 @@ static int __maybe_unused st_lsm6dsx_suspend(struct 
device *dev)
                if (!(hw->enable_mask & BIT(sensor->id)))
                        continue;
 
-               reg = &st_lsm6dsx_odr_table[sensor->id].reg;
-               data = ST_LSM6DSX_SHIFT_VAL(0, reg->mask);
-               err = st_lsm6dsx_update_bits_locked(hw, reg->addr, reg->mask,
-                                                   data);
+               if (sensor->id == ST_LSM6DSX_ID_EXT0 ||
+                   sensor->id == ST_LSM6DSX_ID_EXT1 ||
+                   sensor->id == ST_LSM6DSX_ID_EXT2)
+                       err = st_lsm6dsx_shub_set_enable(sensor, false);
+               else
+                       err = st_lsm6dsx_sensor_set_enable(sensor, false);
                if (err < 0)
                        return err;
+
+               hw->suspend_mask |= BIT(sensor->id);
        }
 
        if (hw->fifo_mode != ST_LSM6DSX_FIFO_BYPASS)
@@ -1060,12 +1062,19 @@ static int __maybe_unused st_lsm6dsx_resume(struct 
device *dev)
                        continue;
 
                sensor = iio_priv(hw->iio_devs[i]);
-               if (!(hw->enable_mask & BIT(sensor->id)))
+               if (!(hw->suspend_mask & BIT(sensor->id)))
                        continue;
 
-               err = st_lsm6dsx_set_odr(sensor, sensor->odr);
+               if (sensor->id == ST_LSM6DSX_ID_EXT0 ||
+                   sensor->id == ST_LSM6DSX_ID_EXT1 ||
+                   sensor->id == ST_LSM6DSX_ID_EXT2)
+                       err = st_lsm6dsx_shub_set_enable(sensor, true);
+               else
+                       err = st_lsm6dsx_sensor_set_enable(sensor, true);
                if (err < 0)
                        return err;
+
+               hw->suspend_mask &= ~BIT(sensor->id);
        }
 
        if (hw->enable_mask)
diff --git a/drivers/iio/temperature/mlx90632.c 
b/drivers/iio/temperature/mlx90632.c
index be03be719efe..f71918430f95 100644
--- a/drivers/iio/temperature/mlx90632.c
+++ b/drivers/iio/temperature/mlx90632.c
@@ -81,6 +81,8 @@
 /* Magic constants */
 #define MLX90632_ID_MEDICAL    0x0105 /* EEPROM DSPv5 Medical device id */
 #define MLX90632_ID_CONSUMER   0x0205 /* EEPROM DSPv5 Consumer device id */
+#define MLX90632_DSP_VERSION   5 /* DSP version */
+#define MLX90632_DSP_MASK      GENMASK(7, 0) /* DSP version in EE_VERSION */
 #define MLX90632_RESET_CMD     0x0006 /* Reset sensor (address or global) */
 #define MLX90632_REF_12                12LL /**< ResCtrlRef value of Ch 1 or 
Ch 2 */
 #define MLX90632_REF_3         12LL /**< ResCtrlRef value of Channel 3 */
@@ -667,10 +669,13 @@ static int mlx90632_probe(struct i2c_client *client,
        } else if (read == MLX90632_ID_CONSUMER) {
                dev_dbg(&client->dev,
                        "Detected Consumer EEPROM calibration %x\n", read);
+       } else if ((read & MLX90632_DSP_MASK) == MLX90632_DSP_VERSION) {
+               dev_dbg(&client->dev,
+                       "Detected Unknown EEPROM calibration %x\n", read);
        } else {
                dev_err(&client->dev,
-                       "EEPROM version mismatch %x (expected %x or %x)\n",
-                       read, MLX90632_ID_CONSUMER, MLX90632_ID_MEDICAL);
+                       "Wrong DSP version %x (expected %x)\n",
+                       read, MLX90632_DSP_VERSION);
                return -EPROTONOSUPPORT;
        }
 
diff --git a/drivers/infiniband/hw/hfi1/chip.c 
b/drivers/infiniband/hw/hfi1/chip.c
index 9784c6c0d2ec..597f2f02f3a8 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -9848,6 +9848,7 @@ void hfi1_quiet_serdes(struct hfi1_pportdata *ppd)
 
        /* disable the port */
        clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
+       cancel_work_sync(&ppd->freeze_work);
 }
 
 static inline int init_cpu_counters(struct hfi1_devdata *dd)
@@ -14027,6 +14028,19 @@ static void init_kdeth_qp(struct hfi1_devdata *dd)
                  RCV_BTH_QP_KDETH_QP_SHIFT);
 }
 
+/**
+ * hfi1_get_qp_map
+ * @dd: device data
+ * @idx: index to read
+ */
+u8 hfi1_get_qp_map(struct hfi1_devdata *dd, u8 idx)
+{
+       u64 reg = read_csr(dd, RCV_QP_MAP_TABLE + (idx / 8) * 8);
+
+       reg >>= (idx % 8) * 8;
+       return reg;
+}
+
 /**
  * init_qpmap_table
  * @dd - device data
diff --git a/drivers/infiniband/hw/hfi1/chip.h 
b/drivers/infiniband/hw/hfi1/chip.h
index 6c27c1c6a868..a5c61400b295 100644
--- a/drivers/infiniband/hw/hfi1/chip.h
+++ b/drivers/infiniband/hw/hfi1/chip.h
@@ -1442,6 +1442,7 @@ void clear_all_interrupts(struct hfi1_devdata *dd);
 void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr);
 void remap_sdma_interrupts(struct hfi1_devdata *dd, int engine, int msix_intr);
 void reset_interrupts(struct hfi1_devdata *dd);
+u8 hfi1_get_qp_map(struct hfi1_devdata *dd, u8 idx);
 
 /*
  * Interrupt source table.
diff --git a/drivers/infiniband/hw/hfi1/fault.c 
b/drivers/infiniband/hw/hfi1/fault.c
index 3fd3315d0fb0..93613e5def9b 100644
--- a/drivers/infiniband/hw/hfi1/fault.c
+++ b/drivers/infiniband/hw/hfi1/fault.c
@@ -153,6 +153,7 @@ static ssize_t fault_opcodes_write(struct file *file, const 
char __user *buf,
                char *dash;
                unsigned long range_start, range_end, i;
                bool remove = false;
+               unsigned long bound = 1U << BITS_PER_BYTE;
 
                end = strchr(ptr, ',');
                if (end)
@@ -178,6 +179,10 @@ static ssize_t fault_opcodes_write(struct file *file, 
const char __user *buf,
                                    BITS_PER_BYTE);
                        break;
                }
+               /* Check the inputs */
+               if (range_start >= bound || range_end >= bound)
+                       break;
+
                for (i = range_start; i <= range_end; i++) {
                        if (remove)
                                clear_bit(i, fault->opcodes);
diff --git a/drivers/infiniband/hw/hfi1/sdma.c 
b/drivers/infiniband/hw/hfi1/sdma.c
index b0110728f541..70828de7436b 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -410,10 +410,7 @@ static void sdma_flush(struct sdma_engine *sde)
        sdma_flush_descq(sde);
        spin_lock_irqsave(&sde->flushlist_lock, flags);
        /* copy flush list */
-       list_for_each_entry_safe(txp, txp_next, &sde->flushlist, list) {
-               list_del_init(&txp->list);
-               list_add_tail(&txp->list, &flushlist);
-       }
+       list_splice_init(&sde->flushlist, &flushlist);
        spin_unlock_irqrestore(&sde->flushlist_lock, flags);
        /* flush from flush list */
        list_for_each_entry_safe(txp, txp_next, &flushlist, list)
@@ -2413,7 +2410,7 @@ int sdma_send_txreq(struct sdma_engine *sde,
        list_add_tail(&tx->list, &sde->flushlist);
        spin_unlock(&sde->flushlist_lock);
        iowait_inc_wait_count(wait, tx->num_desc);
-       schedule_work(&sde->flush_worker);
+       queue_work_on(sde->cpu, system_highpri_wq, &sde->flush_worker);
        ret = -ECOMM;
        goto unlock;
 nodesc:
@@ -2511,7 +2508,7 @@ int sdma_send_txlist(struct sdma_engine *sde, struct 
iowait_work *wait,
                iowait_inc_wait_count(wait, tx->num_desc);
        }
        spin_unlock(&sde->flushlist_lock);
-       schedule_work(&sde->flush_worker);
+       queue_work_on(sde->cpu, system_highpri_wq, &sde->flush_worker);
        ret = -ECOMM;
        goto update_tail;
 nodesc:
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c 
b/drivers/infiniband/hw/hfi1/tid_rdma.c
index 43cbce7a19ea..e0851f01a804 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -305,9 +305,7 @@ static struct hfi1_ctxtdata *qp_to_rcd(struct rvt_dev_info 
*rdi,
        if (qp->ibqp.qp_num == 0)
                ctxt = 0;
        else
-               ctxt = ((qp->ibqp.qp_num >> dd->qos_shift) %
-                       (dd->n_krcv_queues - 1)) + 1;
-
+               ctxt = hfi1_get_qp_map(dd, qp->ibqp.qp_num >> dd->qos_shift);
        return dd->rcd[ctxt];
 }
 
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c 
b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 0cd71ce7cc71..3592a9ec155e 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -324,6 +324,9 @@ int hfi1_user_exp_rcv_setup(struct hfi1_filedata *fd,
        u32 *tidlist = NULL;
        struct tid_user_buf *tidbuf;
 
+       if (!PAGE_ALIGNED(tinfo->vaddr))
+               return -EINVAL;
+
        tidbuf = kzalloc(sizeof(*tidbuf), GFP_KERNEL);
        if (!tidbuf)
                return -ENOMEM;
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c 
b/drivers/infiniband/hw/hfi1/user_sdma.c
index 8bfbc6d7ea34..fd754a16475a 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -130,20 +130,16 @@ static int defer_packet_queue(
 {
        struct hfi1_user_sdma_pkt_q *pq =
                container_of(wait->iow, struct hfi1_user_sdma_pkt_q, busy);
-       struct user_sdma_txreq *tx =
-               container_of(txreq, struct user_sdma_txreq, txreq);
 
-       if (sdma_progress(sde, seq, txreq)) {
-               if (tx->busycount++ < MAX_DEFER_RETRY_COUNT)
-                       goto eagain;
-       }
+       write_seqlock(&sde->waitlock);
+       if (sdma_progress(sde, seq, txreq))
+               goto eagain;
        /*
         * We are assuming that if the list is enqueued somewhere, it
         * is to the dmawait list since that is the only place where
         * it is supposed to be enqueued.
         */
        xchg(&pq->state, SDMA_PKT_Q_DEFERRED);
-       write_seqlock(&sde->waitlock);
        if (list_empty(&pq->busy.list)) {
                iowait_get_priority(&pq->busy);
                iowait_queue(pkts_sent, &pq->busy, &sde->dmawait);
@@ -151,6 +147,7 @@ static int defer_packet_queue(
        write_sequnlock(&sde->waitlock);
        return -EBUSY;
 eagain:
+       write_sequnlock(&sde->waitlock);
        return -EAGAIN;
 }
 
@@ -804,7 +801,6 @@ static int user_sdma_send_pkts(struct user_sdma_request 
*req, u16 maxpkts)
 
                tx->flags = 0;
                tx->req = req;
-               tx->busycount = 0;
                INIT_LIST_HEAD(&tx->list);
 
                /*
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.h 
b/drivers/infiniband/hw/hfi1/user_sdma.h
index 14dfd757dafd..4d8510b0fc38 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.h
+++ b/drivers/infiniband/hw/hfi1/user_sdma.h
@@ -245,7 +245,6 @@ struct user_sdma_txreq {
        struct list_head list;
        struct user_sdma_request *req;
        u16 flags;
-       unsigned int busycount;
        u16 seqnum;
 };
 
diff --git a/drivers/infiniband/hw/hfi1/verbs.c 
b/drivers/infiniband/hw/hfi1/verbs.c
index 55a56b3d7f83..ea68eeba3f22 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -1355,8 +1355,6 @@ static void hfi1_fill_device_attr(struct hfi1_devdata *dd)
        rdi->dparms.props.max_cq = hfi1_max_cqs;
        rdi->dparms.props.max_ah = hfi1_max_ahs;
        rdi->dparms.props.max_cqe = hfi1_max_cqes;
-       rdi->dparms.props.max_mr = rdi->lkey_table.max;
-       rdi->dparms.props.max_fmr = rdi->lkey_table.max;
        rdi->dparms.props.max_map_per_fmr = 32767;
        rdi->dparms.props.max_pd = hfi1_max_pds;
        rdi->dparms.props.max_qp_rd_atom = HFI1_MAX_RDMA_ATOMIC;
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.c 
b/drivers/infiniband/hw/hfi1/verbs_txreq.c
index c4ab2d5b4502..8f766dd3f61c 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.c
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.c
@@ -100,7 +100,7 @@ struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev,
        if (ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK) {
                struct hfi1_qp_priv *priv;
 
-               tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC);
+               tx = kmem_cache_alloc(dev->verbs_txreq_cache, VERBS_TXREQ_GFP);
                if (tx)
                        goto out;
                priv = qp->priv;
diff --git a/drivers/infiniband/hw/hfi1/verbs_txreq.h 
b/drivers/infiniband/hw/hfi1/verbs_txreq.h
index b002e96eb335..bfa6e081cb56 100644
--- a/drivers/infiniband/hw/hfi1/verbs_txreq.h
+++ b/drivers/infiniband/hw/hfi1/verbs_txreq.h
@@ -72,6 +72,7 @@ struct hfi1_ibdev;
 struct verbs_txreq *__get_txreq(struct hfi1_ibdev *dev,
                                struct rvt_qp *qp);
 
+#define VERBS_TXREQ_GFP (GFP_ATOMIC | __GFP_NOWARN)
 static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev *dev,
                                            struct rvt_qp *qp)
        __must_hold(&qp->slock)
@@ -79,7 +80,7 @@ static inline struct verbs_txreq *get_txreq(struct hfi1_ibdev 
*dev,
        struct verbs_txreq *tx;
        struct hfi1_qp_priv *priv = qp->priv;
 
-       tx = kmem_cache_alloc(dev->verbs_txreq_cache, GFP_ATOMIC);
+       tx = kmem_cache_alloc(dev->verbs_txreq_cache, VERBS_TXREQ_GFP);
        if (unlikely(!tx)) {
                /* call slow path to get the lock */
                tx = __get_txreq(dev, qp);
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c 
b/drivers/infiniband/hw/qib/qib_verbs.c
index 5ff32d32c61c..2c4e569ce438 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1459,8 +1459,6 @@ static void qib_fill_device_attr(struct qib_devdata *dd)
        rdi->dparms.props.max_cq = ib_qib_max_cqs;
        rdi->dparms.props.max_cqe = ib_qib_max_cqes;
        rdi->dparms.props.max_ah = ib_qib_max_ahs;
-       rdi->dparms.props.max_mr = rdi->lkey_table.max;
-       rdi->dparms.props.max_fmr = rdi->lkey_table.max;
        rdi->dparms.props.max_map_per_fmr = 32767;
        rdi->dparms.props.max_qp_rd_atom = QIB_MAX_RDMA_ATOMIC;
        rdi->dparms.props.max_qp_init_rd_atom = 255;
diff --git a/drivers/infiniband/sw/rdmavt/mr.c 
b/drivers/infiniband/sw/rdmavt/mr.c
index 0bb6e39dd03a..b04d2173e3f4 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -96,6 +96,8 @@ int rvt_driver_mr_init(struct rvt_dev_info *rdi)
        for (i = 0; i < rdi->lkey_table.max; i++)
                RCU_INIT_POINTER(rdi->lkey_table.table[i], NULL);
 
+       rdi->dparms.props.max_mr = rdi->lkey_table.max;
+       rdi->dparms.props.max_fmr = rdi->lkey_table.max;
        return 0;
 }
 
diff --git a/drivers/infiniband/sw/rdmavt/qp.c 
b/drivers/infiniband/sw/rdmavt/qp.c
index a34b9a2a32b6..a77436ee5ff7 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -594,7 +594,8 @@ static int alloc_qpn(struct rvt_dev_info *rdi, struct 
rvt_qpn_table *qpt,
                        offset = qpt->incr | ((offset & 1) ^ 1);
                }
                /* there can be no set bits in low-order QoS bits */
-               WARN_ON(offset & (BIT(rdi->dparms.qos_shift) - 1));
+               WARN_ON(rdi->dparms.qos_shift > 1 &&
+                       offset & ((BIT(rdi->dparms.qos_shift - 1) - 1) << 1));
                qpn = mk_qpn(qpt, map, offset);
        }
 
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 26ec603fe220..83d1499fe021 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -1051,13 +1051,31 @@ static long uinput_ioctl(struct file *file, unsigned 
int cmd, unsigned long arg)
 
 #ifdef CONFIG_COMPAT
 
-#define UI_SET_PHYS_COMPAT     _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t)
+/*
+ * These IOCTLs change their size and thus their numbers between
+ * 32 and 64 bits.
+ */
+#define UI_SET_PHYS_COMPAT             \
+       _IOW(UINPUT_IOCTL_BASE, 108, compat_uptr_t)
+#define UI_BEGIN_FF_UPLOAD_COMPAT      \
+       _IOWR(UINPUT_IOCTL_BASE, 200, struct uinput_ff_upload_compat)
+#define UI_END_FF_UPLOAD_COMPAT                \
+       _IOW(UINPUT_IOCTL_BASE, 201, struct uinput_ff_upload_compat)
 
 static long uinput_compat_ioctl(struct file *file,
                                unsigned int cmd, unsigned long arg)
 {
-       if (cmd == UI_SET_PHYS_COMPAT)
+       switch (cmd) {
+       case UI_SET_PHYS_COMPAT:
                cmd = UI_SET_PHYS;
+               break;
+       case UI_BEGIN_FF_UPLOAD_COMPAT:
+               cmd = UI_BEGIN_FF_UPLOAD;
+               break;
+       case UI_END_FF_UPLOAD_COMPAT:
+               cmd = UI_END_FF_UPLOAD;
+               break;
+       }
 
        return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg));
 }
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index b6da0c1267e3..8e6077d8e434 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -179,6 +179,8 @@ static const char * const smbus_pnp_ids[] = {
        "LEN0096", /* X280 */
        "LEN0097", /* X280 -> ALPS trackpoint */
        "LEN200f", /* T450s */
+       "LEN2054", /* E480 */
+       "LEN2055", /* E580 */
        "SYN3052", /* HP EliteBook 840 G4 */
        "SYN3221", /* HP 15-ay000 */
        NULL
diff --git a/drivers/input/touchscreen/silead.c 
b/drivers/input/touchscreen/silead.c
index 09241d4cdebc..06f0eb04a8fd 100644
--- a/drivers/input/touchscreen/silead.c
+++ b/drivers/input/touchscreen/silead.c
@@ -617,6 +617,7 @@ static const struct acpi_device_id silead_ts_acpi_match[] = 
{
        { "MSSL1680", 0 },
        { "MSSL0001", 0 },
        { "MSSL0002", 0 },
+       { "MSSL0017", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(acpi, silead_ts_acpi_match);
diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index fadaf557603f..425442819d31 100644
--- a/drivers/misc/habanalabs/memory.c
+++ b/drivers/misc/habanalabs/memory.c
@@ -675,11 +675,6 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx 
*ctx,
 
                total_npages += npages;
 
-               if (first) {
-                       first = false;
-                       dma_addr &= PAGE_MASK_2MB;
-               }
-
                if ((npages % PGS_IN_2MB_PAGE) ||
                                        (dma_addr & (PAGE_SIZE_2MB - 1)))
                        is_huge_page_opt = false;
@@ -704,7 +699,6 @@ static int init_phys_pg_pack_from_userptr(struct hl_ctx 
*ctx,
        phys_pg_pack->total_size = total_npages * page_size;
 
        j = 0;
-       first = true;
        for_each_sg(userptr->sgt->sgl, sg, userptr->sgt->nents, i) {
                npages = get_sg_info(sg, &dma_addr);
 
diff --git a/drivers/misc/lkdtm/usercopy.c b/drivers/misc/lkdtm/usercopy.c
index d5a0e7f1813b..e172719dd86d 100644
--- a/drivers/misc/lkdtm/usercopy.c
+++ b/drivers/misc/lkdtm/usercopy.c
@@ -324,14 +324,16 @@ void lkdtm_USERCOPY_KERNEL(void)
 
 void lkdtm_USERCOPY_KERNEL_DS(void)
 {
-       char __user *user_ptr = (char __user *)ERR_PTR(-EINVAL);
+       char __user *user_ptr =
+               (char __user *)(0xFUL << (sizeof(unsigned long) * 8 - 4));
        mm_segment_t old_fs = get_fs();
        char buf[10] = {0};
 
-       pr_info("attempting copy_to_user on unmapped kernel address\n");
+       pr_info("attempting copy_to_user() to noncanonical address: %px\n",
+               user_ptr);
        set_fs(KERNEL_DS);
-       if (copy_to_user(user_ptr, buf, sizeof(buf)))
-               pr_info("copy_to_user un unmapped kernel address failed\n");
+       if (copy_to_user(user_ptr, buf, sizeof(buf)) == 0)
+               pr_err("copy_to_user() to noncanonical address succeeded!?\n");
        set_fs(old_fs);
 }
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 6db36dc870b5..9020cb2490f7 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -144,8 +144,9 @@ void mmc_request_done(struct mmc_host *host, struct 
mmc_request *mrq)
        int err = cmd->error;
 
        /* Flag re-tuning needed on CRC errors */
-       if ((cmd->opcode != MMC_SEND_TUNING_BLOCK &&
-           cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) &&
+       if (cmd->opcode != MMC_SEND_TUNING_BLOCK &&
+           cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200 &&
+           !host->retune_crc_disable &&
            (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) ||
            (mrq->data && mrq->data->error == -EILSEQ) ||
            (mrq->stop && mrq->stop->error == -EILSEQ)))
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 6718fc8bb40f..0f51e774183e 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -941,6 +941,10 @@ static int mmc_sdio_pre_suspend(struct mmc_host *host)
  */
 static int mmc_sdio_suspend(struct mmc_host *host)
 {
+       /* Prevent processing of SDIO IRQs in suspended state. */
+       mmc_card_set_suspended(host->card);
+       cancel_delayed_work_sync(&host->sdio_irq_work);
+
        mmc_claim_host(host);
 
        if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host))
@@ -989,13 +993,20 @@ static int mmc_sdio_resume(struct mmc_host *host)
                err = sdio_enable_4bit_bus(host->card);
        }
 
-       if (!err && host->sdio_irqs) {
+       if (err)
+               goto out;
+
+       /* Allow SDIO IRQs to be processed again. */
+       mmc_card_clr_suspended(host->card);
+
+       if (host->sdio_irqs) {
                if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD))
                        wake_up_process(host->sdio_irq_thread);
                else if (host->caps & MMC_CAP_SDIO_IRQ)
                        host->ops->enable_sdio_irq(host, 1);
        }
 
+out:
        mmc_release_host(host);
 
        host->pm_flags &= ~MMC_PM_KEEP_POWER;
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index 3f67fbbe0d75..df887ced9666 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -19,6 +19,7 @@
 #include "sdio_ops.h"
 #include "core.h"
 #include "card.h"
+#include "host.h"
 
 /**
  *     sdio_claim_host - exclusively claim a bus for a certain SDIO function
@@ -738,3 +739,79 @@ int sdio_set_host_pm_flags(struct sdio_func *func, 
mmc_pm_flag_t flags)
        return 0;
 }
 EXPORT_SYMBOL_GPL(sdio_set_host_pm_flags);
+
+/**
+ *     sdio_retune_crc_disable - temporarily disable retuning on CRC errors
+ *     @func: SDIO function attached to host
+ *
+ *     If the SDIO card is known to be in a state where it might produce
+ *     CRC errors on the bus in response to commands (like if we know it is
+ *     transitioning between power states), an SDIO function driver can
+ *     call this function to temporarily disable the SD/MMC core behavior of
+ *     triggering an automatic retuning.
+ *
+ *     This function should be called while the host is claimed and the host
+ *     should remain claimed until sdio_retune_crc_enable() is called.
+ *     Specifically, the expected sequence of calls is:
+ *     - sdio_claim_host()
+ *     - sdio_retune_crc_disable()
+ *     - some number of calls like sdio_writeb() and sdio_readb()
+ *     - sdio_retune_crc_enable()
+ *     - sdio_release_host()
+ */
+void sdio_retune_crc_disable(struct sdio_func *func)
+{
+       func->card->host->retune_crc_disable = true;
+}
+EXPORT_SYMBOL_GPL(sdio_retune_crc_disable);
+
+/**
+ *     sdio_retune_crc_enable - re-enable retuning on CRC errors
+ *     @func: SDIO function attached to host
+ *
+ *     This is the compement to sdio_retune_crc_disable().
+ */
+void sdio_retune_crc_enable(struct sdio_func *func)
+{
+       func->card->host->retune_crc_disable = false;
+}
+EXPORT_SYMBOL_GPL(sdio_retune_crc_enable);
+
+/**
+ *     sdio_retune_hold_now - start deferring retuning requests till release
+ *     @func: SDIO function attached to host
+ *
+ *     This function can be called if it's currently a bad time to do
+ *     a retune of the SDIO card.  Retune requests made during this time
+ *     will be held and we'll actually do the retune sometime after the
+ *     release.
+ *
+ *     This function could be useful if an SDIO card is in a power state
+ *     where it can respond to a small subset of commands that doesn't
+ *     include the retuning command.  Care should be taken when using
+ *     this function since (presumably) the retuning request we might be
+ *     deferring was made for a good reason.
+ *
+ *     This function should be called while the host is claimed.
+ */
+void sdio_retune_hold_now(struct sdio_func *func)
+{
+       mmc_retune_hold_now(func->card->host);
+}
+EXPORT_SYMBOL_GPL(sdio_retune_hold_now);
+
+/**
+ *     sdio_retune_release - signal that it's OK to retune now
+ *     @func: SDIO function attached to host
+ *
+ *     This is the complement to sdio_retune_hold_now().  Calling this
+ *     function won't make a retune happen right away but will allow
+ *     them to be scheduled normally.
+ *
+ *     This function should be called while the host is claimed.
+ */
+void sdio_retune_release(struct sdio_func *func)
+{
+       mmc_retune_release(func->card->host);
+}
+EXPORT_SYMBOL_GPL(sdio_retune_release);
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 7ca7b99413f0..b299a24d33f9 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -38,6 +38,10 @@ static int process_sdio_pending_irqs(struct mmc_host *host)
        unsigned char pending;
        struct sdio_func *func;
 
+       /* Don't process SDIO IRQs if the card is suspended. */
+       if (mmc_card_suspended(card))
+               return 0;
+
        /*
         * Optimization, if there is only 1 function interrupt registered
         * and we know an IRQ was signaled then call irq handler directly.
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 833ef0590af8..b33f2c90d8d8 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1003,6 +1003,8 @@ static void msdc_request_done(struct msdc_host *host, 
struct mmc_request *mrq)
        msdc_track_cmd_data(host, mrq->cmd, mrq->data);
        if (mrq->data)
                msdc_unprepare_data(host, mrq);
+       if (host->error)
+               msdc_reset_hw(host);
        mmc_request_done(host->mmc, mrq);
 }
 
@@ -1355,24 +1357,25 @@ static void msdc_request_timeout(struct work_struct 
*work)
        }
 }
 
-static void __msdc_enable_sdio_irq(struct mmc_host *mmc, int enb)
+static void __msdc_enable_sdio_irq(struct msdc_host *host, int enb)
 {
-       unsigned long flags;
-       struct msdc_host *host = mmc_priv(mmc);
-
-       spin_lock_irqsave(&host->lock, flags);
-       if (enb)
+       if (enb) {
                sdr_set_bits(host->base + MSDC_INTEN, MSDC_INTEN_SDIOIRQ);
-       else
+               sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
+       } else {
                sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_SDIOIRQ);
-       spin_unlock_irqrestore(&host->lock, flags);
+               sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
+       }
 }
 
 static void msdc_enable_sdio_irq(struct mmc_host *mmc, int enb)
 {
+       unsigned long flags;
        struct msdc_host *host = mmc_priv(mmc);
 
-       __msdc_enable_sdio_irq(mmc, enb);
+       spin_lock_irqsave(&host->lock, flags);
+       __msdc_enable_sdio_irq(host, enb);
+       spin_unlock_irqrestore(&host->lock, flags);
 
        if (enb)
                pm_runtime_get_noresume(host->dev);
@@ -1394,6 +1397,8 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
                spin_lock_irqsave(&host->lock, flags);
                events = readl(host->base + MSDC_INT);
                event_mask = readl(host->base + MSDC_INTEN);
+               if ((events & event_mask) & MSDC_INT_SDIOIRQ)
+                       __msdc_enable_sdio_irq(host, 0);
                /* clear interrupts */
                writel(events & event_mask, host->base + MSDC_INT);
 
@@ -1402,10 +1407,8 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
                data = host->data;
                spin_unlock_irqrestore(&host->lock, flags);
 
-               if ((events & event_mask) & MSDC_INT_SDIOIRQ) {
-                       __msdc_enable_sdio_irq(host->mmc, 0);
+               if ((events & event_mask) & MSDC_INT_SDIOIRQ)
                        sdio_signal_irq(host->mmc);
-               }
 
                if (!(events & (event_mask & ~MSDC_INT_SDIOIRQ)))
                        break;
@@ -1528,10 +1531,7 @@ static void msdc_init_hw(struct msdc_host *host)
        sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIO);
 
        /* Config SDIO device detect interrupt function */
-       if (host->mmc->caps & MMC_CAP_SDIO_IRQ)
-               sdr_set_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
-       else
-               sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
+       sdr_clr_bits(host->base + SDC_CFG, SDC_CFG_SDIOIDE);
 
        /* Configure to default data timeout */
        sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3);
@@ -2052,7 +2052,12 @@ static void msdc_hw_reset(struct mmc_host *mmc)
 
 static void msdc_ack_sdio_irq(struct mmc_host *mmc)
 {
-       __msdc_enable_sdio_irq(mmc, 1);
+       unsigned long flags;
+       struct msdc_host *host = mmc_priv(mmc);
+
+       spin_lock_irqsave(&host->lock, flags);
+       __msdc_enable_sdio_irq(host, 1);
+       spin_unlock_irqrestore(&host->lock, flags);
 }
 
 static const struct mmc_host_ops mt_msdc_ops = {
diff --git a/drivers/mmc/host/renesas_sdhi_core.c 
b/drivers/mmc/host/renesas_sdhi_core.c
index 8742e27e4e8b..c42e442ba7ab 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -620,11 +620,16 @@ static const struct renesas_sdhi_quirks 
sdhi_quirks_h3_es2 = {
        .hs400_4taps = true,
 };
 
+static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
+       .hs400_disabled = true,
+};
+
 static const struct soc_device_attribute sdhi_quirks_match[]  = {
        { .soc_id = "r8a7795", .revision = "ES1.*", .data = 
&sdhi_quirks_h3_m3w_es1 },
        { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_h3_es2 
},
-       { .soc_id = "r8a7796", .revision = "ES1.0", .data = 
&sdhi_quirks_h3_m3w_es1 },
-       { .soc_id = "r8a7796", .revision = "ES1.1", .data = 
&sdhi_quirks_h3_m3w_es1 },
+       { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = 
&sdhi_quirks_h3_m3w_es1 },
+       { .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = 
&sdhi_quirks_h3_m3w_es1 },
+       { .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 },
        { /* Sentinel. */ },
 };
 
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c 
b/drivers/mmc/host/sdhci-pci-o2micro.c
index 05a012a694b2..423c3339c03b 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -124,6 +124,7 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, 
u32 opcode)
         */
        if (mmc->ios.bus_width == MMC_BUS_WIDTH_8) {
                current_bus_width = mmc->ios.bus_width;
+               mmc->ios.bus_width = MMC_BUS_WIDTH_4;
                sdhci_set_bus_width(host, MMC_BUS_WIDTH_4);
        }
 
@@ -135,8 +136,10 @@ static int sdhci_o2_execute_tuning(struct mmc_host *mmc, 
u32 opcode)
 
        sdhci_end_tuning(host);
 
-       if (current_bus_width == MMC_BUS_WIDTH_8)
+       if (current_bus_width == MMC_BUS_WIDTH_8) {
+               mmc->ios.bus_width = MMC_BUS_WIDTH_8;
                sdhci_set_bus_width(host, current_bus_width);
+       }
 
        host->flags &= ~SDHCI_HS400_TUNING;
        return 0;
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 1c66fb2ad76b..f97c628eb2ad 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -166,7 +166,7 @@
 #define FLEXCAN_MB_CNT_LENGTH(x)       (((x) & 0xf) << 16)
 #define FLEXCAN_MB_CNT_TIMESTAMP(x)    ((x) & 0xffff)
 
-#define FLEXCAN_TIMEOUT_US             (50)
+#define FLEXCAN_TIMEOUT_US             (250)
 
 /* FLEXCAN hardware feature flags
  *
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 97d0933d9bd9..e4a5038eba9a 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -1443,7 +1443,7 @@ static const struct xcan_devtype_data xcan_canfd_data = {
                 XCAN_FLAG_RXMNF |
                 XCAN_FLAG_TX_MAILBOXES |
                 XCAN_FLAG_RX_FIFO_MULTI,
-       .bittiming_const = &xcan_bittiming_const,
+       .bittiming_const = &xcan_bittiming_const_canfd,
        .btr_ts2_shift = XCAN_BTR_TS2_SHIFT_CANFD,
        .btr_sjw_shift = XCAN_BTR_SJW_SHIFT_CANFD,
        .bus_clk_name = "s_axi_aclk",
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 720f1dde2c2d..ae750ab9a4d7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1517,7 +1517,7 @@ static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, 
u16 vid,
        int err;
 
        if (!vid)
-               return -EINVAL;
+               return -EOPNOTSUPP;
 
        entry->vid = vid - 1;
        entry->valid = false;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c 
b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index ce15d2350db9..188c3f6791b5 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -339,6 +339,7 @@ static int __lb_setup(struct net_device *ndev,
 static int __lb_up(struct net_device *ndev,
                   enum hnae_loop loop_mode)
 {
+#define NIC_LB_TEST_WAIT_PHY_LINK_TIME 300
        struct hns_nic_priv *priv = netdev_priv(ndev);
        struct hnae_handle *h = priv->ae_handle;
        int speed, duplex;
@@ -365,6 +366,9 @@ static int __lb_up(struct net_device *ndev,
 
        h->dev->ops->adjust_link(h, speed, duplex);
 
+       /* wait adjust link done and phy ready */
+       msleep(NIC_LB_TEST_WAIT_PHY_LINK_TIME);
+
        return 0;
 }
 
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c 
b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 549d36497b8c..f3f7551162a9 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1777,6 +1777,7 @@ static void mtk_poll_controller(struct net_device *dev)
 
 static int mtk_start_dma(struct mtk_eth *eth)
 {
+       u32 rx_2b_offset = (NET_IP_ALIGN == 2) ? MTK_RX_2B_OFFSET : 0;
        int err;
 
        err = mtk_dma_init(eth);
@@ -1793,7 +1794,7 @@ static int mtk_start_dma(struct mtk_eth *eth)
                MTK_QDMA_GLO_CFG);
 
        mtk_w32(eth,
-               MTK_RX_DMA_EN | MTK_RX_2B_OFFSET |
+               MTK_RX_DMA_EN | rx_2b_offset |
                MTK_RX_BT_32DWORDS | MTK_MULTI_EN,
                MTK_PDMA_GLO_CFG);
 
@@ -2297,13 +2298,13 @@ static int mtk_get_rxnfc(struct net_device *dev, struct 
ethtool_rxnfc *cmd,
 
        switch (cmd->cmd) {
        case ETHTOOL_GRXRINGS:
-               if (dev->features & NETIF_F_LRO) {
+               if (dev->hw_features & NETIF_F_LRO) {
                        cmd->data = MTK_MAX_RX_RING_NUM;
                        ret = 0;
                }
                break;
        case ETHTOOL_GRXCLSRLCNT:
-               if (dev->features & NETIF_F_LRO) {
+               if (dev->hw_features & NETIF_F_LRO) {
                        struct mtk_mac *mac = netdev_priv(dev);
 
                        cmd->rule_cnt = mac->hwlro_ip_cnt;
@@ -2311,11 +2312,11 @@ static int mtk_get_rxnfc(struct net_device *dev, struct 
ethtool_rxnfc *cmd,
                }
                break;
        case ETHTOOL_GRXCLSRULE:
-               if (dev->features & NETIF_F_LRO)
+               if (dev->hw_features & NETIF_F_LRO)
                        ret = mtk_hwlro_get_fdir_entry(dev, cmd);
                break;
        case ETHTOOL_GRXCLSRLALL:
-               if (dev->features & NETIF_F_LRO)
+               if (dev->hw_features & NETIF_F_LRO)
                        ret = mtk_hwlro_get_fdir_all(dev, cmd,
                                                     rule_locs);
                break;
@@ -2332,11 +2333,11 @@ static int mtk_set_rxnfc(struct net_device *dev, struct 
ethtool_rxnfc *cmd)
 
        switch (cmd->cmd) {
        case ETHTOOL_SRXCLSRLINS:
-               if (dev->features & NETIF_F_LRO)
+               if (dev->hw_features & NETIF_F_LRO)
                        ret = mtk_hwlro_add_ipaddr(dev, cmd);
                break;
        case ETHTOOL_SRXCLSRLDEL:
-               if (dev->features & NETIF_F_LRO)
+               if (dev->hw_features & NETIF_F_LRO)
                        ret = mtk_hwlro_del_ipaddr(dev, cmd);
                break;
        default:
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index bbeb1623e2d5..717fce6edeb7 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -112,7 +112,7 @@ static void ipvlan_port_destroy(struct net_device *dev)
 }
 
 #define IPVLAN_FEATURES \
-       (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
+       (NETIF_F_SG | NETIF_F_CSUM_MASK | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
         NETIF_F_GSO | NETIF_F_TSO | NETIF_F_GSO_ROBUST | \
         NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \
         NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index efa31fcda505..611dfc3d89a0 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1080,6 +1080,7 @@ EXPORT_SYMBOL_GPL(phylink_ethtool_ksettings_get);
 int phylink_ethtool_ksettings_set(struct phylink *pl,
                                  const struct ethtool_link_ksettings *kset)
 {
+       __ETHTOOL_DECLARE_LINK_MODE_MASK(support);
        struct ethtool_link_ksettings our_kset;
        struct phylink_link_state config;
        int ret;
@@ -1090,11 +1091,12 @@ int phylink_ethtool_ksettings_set(struct phylink *pl,
            kset->base.autoneg != AUTONEG_ENABLE)
                return -EINVAL;
 
+       linkmode_copy(support, pl->supported);
        config = pl->link_config;
 
        /* Mask out unsupported advertisements */
        linkmode_and(config.advertising, kset->link_modes.advertising,
-                    pl->supported);
+                    support);
 
        /* FIXME: should we reject autoneg if phy/mac does not support it? */
        if (kset->base.autoneg == AUTONEG_DISABLE) {
@@ -1104,7 +1106,7 @@ int phylink_ethtool_ksettings_set(struct phylink *pl,
                 * duplex.
                 */
                s = phy_lookup_setting(kset->base.speed, kset->base.duplex,
-                                      pl->supported, false);
+                                      support, false);
                if (!s)
                        return -EINVAL;
 
@@ -1133,7 +1135,7 @@ int phylink_ethtool_ksettings_set(struct phylink *pl,
                __set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, config.advertising);
        }
 
-       if (phylink_validate(pl, pl->supported, &config))
+       if (phylink_validate(pl, support, &config))
                return -EINVAL;
 
        /* If autonegotiation is enabled, we must have an advertisement */
@@ -1583,6 +1585,7 @@ static int phylink_sfp_module_insert(void *upstream,
 {
        struct phylink *pl = upstream;
        __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
+       __ETHTOOL_DECLARE_LINK_MODE_MASK(support1);
        struct phylink_link_state config;
        phy_interface_t iface;
        int ret = 0;
@@ -1610,6 +1613,8 @@ static int phylink_sfp_module_insert(void *upstream,
                return ret;
        }
 
+       linkmode_copy(support1, support);
+
        iface = sfp_select_interface(pl->sfp_bus, id, config.advertising);
        if (iface == PHY_INTERFACE_MODE_NA) {
                netdev_err(pl->netdev,
@@ -1619,7 +1624,7 @@ static int phylink_sfp_module_insert(void *upstream,
        }
 
        config.interface = iface;
-       ret = phylink_validate(pl, support, &config);
+       ret = phylink_validate(pl, support1, &config);
        if (ret) {
                netdev_err(pl->netdev, "validation of %s/%s with support %*pb 
failed: %d\n",
                           phylink_an_mode_str(MLO_AN_INBAND),
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 4d104ab80fd8..f757c9e72e71 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -676,6 +676,12 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
 
        brcmf_dbg(TRACE, "Enter: on=%d\n", on);
 
+       sdio_retune_crc_disable(bus->sdiodev->func1);
+
+       /* Cannot re-tune if device is asleep; defer till we're awake */
+       if (on)
+               sdio_retune_hold_now(bus->sdiodev->func1);
+
        wr_val = (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT);
        /* 1st KSO write goes to AOS wake up core if device is asleep  */
        brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err);
@@ -736,6 +742,11 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
        if (try_cnt > MAX_KSO_ATTEMPTS)
                brcmf_err("max tries: rd_val=0x%x err=%d\n", rd_val, err);
 
+       if (on)
+               sdio_retune_release(bus->sdiodev->func1);
+
+       sdio_retune_crc_enable(bus->sdiodev->func1);
+
        return err;
 }
 
@@ -3373,11 +3384,7 @@ static int brcmf_sdio_download_firmware(struct 
brcmf_sdio *bus,
 
 static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
 {
-       if (bus->ci->chip == CY_CC_43012_CHIP_ID ||
-           bus->ci->chip == CY_CC_4373_CHIP_ID ||
-           bus->ci->chip == BRCM_CC_4339_CHIP_ID ||
-           bus->ci->chip == BRCM_CC_4345_CHIP_ID ||
-           bus->ci->chip == BRCM_CC_4354_CHIP_ID)
+       if (bus->ci->chip == CY_CC_43012_CHIP_ID)
                return true;
        else
                return false;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 35d2202ee2fd..3a390b2c7540 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3397,7 +3397,8 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, 
unsigned nn)
 {
        struct nvme_ns *ns;
        __le32 *ns_list;
-       unsigned i, j, nsid, prev = 0, num_lists = DIV_ROUND_UP(nn, 1024);
+       unsigned i, j, nsid, prev = 0;
+       unsigned num_lists = DIV_ROUND_UP_ULL((u64)nn, 1024);
        int ret = 0;
 
        ns_list = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL);
diff --git a/drivers/nvme/target/io-cmd-bdev.c 
b/drivers/nvme/target/io-cmd-bdev.c
index a065dbfc43b1..a77fd8674ecf 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -295,6 +295,7 @@ u16 nvmet_bdev_parse_io_cmd(struct nvmet_req *req)
                return 0;
        case nvme_cmd_write_zeroes:
                req->execute = nvmet_bdev_execute_write_zeroes;
+               req->data_len = 0;
                return 0;
        default:
                pr_err("unhandled cmd %d on qid %d\n", cmd->common.opcode,
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 5dc53d420ca8..7b4ee33c1935 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -895,6 +895,7 @@ parport_register_dev_model(struct parport *port, const char 
*name,
        par_dev->devmodel = true;
        ret = device_register(&par_dev->dev);
        if (ret) {
+               kfree(par_dev->state);
                put_device(&par_dev->dev);
                goto err_put_port;
        }
@@ -912,6 +913,7 @@ parport_register_dev_model(struct parport *port, const char 
*name,
                        spin_unlock(&port->physport->pardevice_lock);
                        pr_debug("%s: cannot grant exclusive access for device 
%s\n",
                                 port->name, name);
+                       kfree(par_dev->state);
                        device_unregister(&par_dev->dev);
                        goto err_put_port;
                }
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index c3067fd3bd9e..fece768efcb1 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1679,7 +1679,7 @@ static void qeth_bridgeport_an_set_cb(void *priv,
 
        l2entry = (struct qdio_brinfo_entry_l2 *)entry;
        code = IPA_ADDR_CHANGE_CODE_MACADDR;
-       if (l2entry->addr_lnid.lnid)
+       if (l2entry->addr_lnid.lnid < VLAN_N_VID)
                code |= IPA_ADDR_CHANGE_CODE_VLANID;
        qeth_bridge_emit_host_event(card, anev_reg_unreg, code,
                (struct net_if_token *)&l2entry->nit,
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 53712cf26406..93a5748036de 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1883,13 +1883,20 @@ static int qeth_l3_do_ioctl(struct net_device *dev, 
struct ifreq *rq, int cmd)
 
 static int qeth_l3_get_cast_type(struct sk_buff *skb)
 {
+       int ipv = qeth_get_ip_version(skb);
        struct neighbour *n = NULL;
        struct dst_entry *dst;
 
        rcu_read_lock();
        dst = skb_dst(skb);
-       if (dst)
-               n = dst_neigh_lookup_skb(dst, skb);
+       if (dst) {
+               struct rt6_info *rt = (struct rt6_info *) dst;
+
+               dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
+               if (dst)
+                       n = dst_neigh_lookup_skb(dst, skb);
+       }
+
        if (n) {
                int cast_type = n->type;
 
@@ -1904,8 +1911,10 @@ static int qeth_l3_get_cast_type(struct sk_buff *skb)
        rcu_read_unlock();
 
        /* no neighbour (eg AF_PACKET), fall back to target's IP address ... */
-       switch (qeth_get_ip_version(skb)) {
+       switch (ipv) {
        case 4:
+               if (ipv4_is_lbcast(ip_hdr(skb)->daddr))
+                       return RTN_BROADCAST;
                return ipv4_is_multicast(ip_hdr(skb)->daddr) ?
                                RTN_MULTICAST : RTN_UNICAST;
        case 6:
@@ -1941,6 +1950,7 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q 
*queue,
        struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3;
        struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
        struct qeth_card *card = queue->card;
+       struct dst_entry *dst;
 
        hdr->hdr.l3.length = data_len;
 
@@ -1991,15 +2001,27 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q 
*queue,
 
        hdr->hdr.l3.flags = qeth_l3_cast_type_to_flag(cast_type);
        rcu_read_lock();
+       dst = skb_dst(skb);
+
        if (ipv == 4) {
-               struct rtable *rt = skb_rtable(skb);
+               struct rtable *rt;
+
+               if (dst)
+                       dst = dst_check(dst, 0);
+               rt = (struct rtable *) dst;
 
                *((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ?
                                rt_nexthop(rt, ip_hdr(skb)->daddr) :
                                ip_hdr(skb)->daddr;
        } else {
                /* IPv6 */
-               const struct rt6_info *rt = skb_rt6_info(skb);
+               struct rt6_info *rt;
+
+               if (dst) {
+                       rt = (struct rt6_info *) dst;
+                       dst = dst_check(dst, rt6_get_cookie(rt));
+               }
+               rt = (struct rt6_info *) dst;
 
                if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
                        l3_hdr->next_hop.ipv6_addr = rt->rt6i_gateway;
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c 
b/drivers/scsi/smartpqi/smartpqi_init.c
index 531824afba5f..392695b4691a 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -4044,8 +4044,10 @@ static int pqi_submit_raid_request_synchronous(struct 
pqi_ctrl_info *ctrl_info,
                                return -ETIMEDOUT;
                        msecs_blocked =
                                jiffies_to_msecs(jiffies - start_jiffies);
-                       if (msecs_blocked >= timeout_msecs)
-                               return -ETIMEDOUT;
+                       if (msecs_blocked >= timeout_msecs) {
+                               rc = -ETIMEDOUT;
+                               goto out;
+                       }
                        timeout_msecs -= msecs_blocked;
                }
        }
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 27213676329c..848c7478efd6 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -340,24 +340,21 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
                goto dealloc_host;
        }
 
-       pm_runtime_set_active(&pdev->dev);
-       pm_runtime_enable(&pdev->dev);
-
        ufshcd_init_lanes_per_dir(hba);
 
        err = ufshcd_init(hba, mmio_base, irq);
        if (err) {
                dev_err(dev, "Initialization failed\n");
-               goto out_disable_rpm;
+               goto dealloc_host;
        }
 
        platform_set_drvdata(pdev, hba);
 
+       pm_runtime_set_active(&pdev->dev);
+       pm_runtime_enable(&pdev->dev);
+
        return 0;
 
-out_disable_rpm:
-       pm_runtime_disable(&pdev->dev);
-       pm_runtime_set_suspended(&pdev->dev);
 dealloc_host:
        ufshcd_dealloc_host(hba);
 out:
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5ba49c8cd2a3..dbd1f8c253bf 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1917,7 +1917,8 @@ int ufshcd_copy_query_response(struct ufs_hba *hba, 
struct ufshcd_lrb *lrbp)
        memcpy(&query_res->upiu_res, &lrbp->ucd_rsp_ptr->qr, QUERY_OSF_SIZE);
 
        /* Get the descriptor */
-       if (lrbp->ucd_rsp_ptr->qr.opcode == UPIU_QUERY_OPCODE_READ_DESC) {
+       if (hba->dev_cmd.query.descriptor &&
+           lrbp->ucd_rsp_ptr->qr.opcode == UPIU_QUERY_OPCODE_READ_DESC) {
                u8 *descp = (u8 *)lrbp->ucd_rsp_ptr +
                                GENERAL_UPIU_REQUEST_SIZE;
                u16 resp_len;
diff --git a/drivers/staging/erofs/erofs_fs.h b/drivers/staging/erofs/erofs_fs.h
index fa52898df006..8ddb2b3e7d39 100644
--- a/drivers/staging/erofs/erofs_fs.h
+++ b/drivers/staging/erofs/erofs_fs.h
@@ -17,10 +17,16 @@
 #define EROFS_SUPER_MAGIC_V1    0xE0F5E1E2
 #define EROFS_SUPER_OFFSET      1024
 
+/*
+ * Any bits that aren't in EROFS_ALL_REQUIREMENTS should be
+ * incompatible with this kernel version.
+ */
+#define EROFS_ALL_REQUIREMENTS  0
+
 struct erofs_super_block {
 /*  0 */__le32 magic;           /* in the little endian */
 /*  4 */__le32 checksum;        /* crc32c(super_block) */
-/*  8 */__le32 features;
+/*  8 */__le32 features;        /* (aka. feature_compat) */
 /* 12 */__u8 blkszbits;         /* support block_size == PAGE_SIZE only */
 /* 13 */__u8 reserved;
 
@@ -34,9 +40,10 @@ struct erofs_super_block {
 /* 44 */__le32 xattr_blkaddr;
 /* 48 */__u8 uuid[16];          /* 128-bit uuid for volume */
 /* 64 */__u8 volume_name[16];   /* volume name */
+/* 80 */__le32 requirements;    /* (aka. feature_incompat) */
 
-/* 80 */__u8 reserved2[48];     /* 128 bytes */
-} __packed;
+/* 84 */__u8 reserved2[44];
+} __packed;                     /* 128 bytes */
 
 /*
  * erofs inode data mapping:
diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h
index e3bfde00c7d2..20cf6e7e170f 100644
--- a/drivers/staging/erofs/internal.h
+++ b/drivers/staging/erofs/internal.h
@@ -114,6 +114,8 @@ struct erofs_sb_info {
 
        u8 uuid[16];                    /* 128-bit uuid for volume */
        u8 volume_name[16];             /* volume name */
+       u32 requirements;
+
        char *dev_name;
 
        unsigned int mount_opt;
diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c
index c8981662a49b..2ed53dd7f50c 100644
--- a/drivers/staging/erofs/super.c
+++ b/drivers/staging/erofs/super.c
@@ -76,6 +76,22 @@ static void destroy_inode(struct inode *inode)
        call_rcu(&inode->i_rcu, i_callback);
 }
 
+static bool check_layout_compatibility(struct super_block *sb,
+                                      struct erofs_super_block *layout)
+{
+       const unsigned int requirements = le32_to_cpu(layout->requirements);
+
+       EROFS_SB(sb)->requirements = requirements;
+
+       /* check if current kernel meets all mandatory requirements */
+       if (requirements & (~EROFS_ALL_REQUIREMENTS)) {
+               errln("unidentified requirements %x, please upgrade kernel 
version",
+                     requirements & ~EROFS_ALL_REQUIREMENTS);
+               return false;
+       }
+       return true;
+}
+
 static int superblock_read(struct super_block *sb)
 {
        struct erofs_sb_info *sbi;
@@ -109,6 +125,9 @@ static int superblock_read(struct super_block *sb)
                goto out;
        }
 
+       if (!check_layout_compatibility(sb, layout))
+               goto out;
+
        sbi->blocks = le32_to_cpu(layout->blocks);
        sbi->meta_blkaddr = le32_to_cpu(layout->meta_blkaddr);
 #ifdef CONFIG_EROFS_FS_XATTR
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 829e947cabf5..6a5ee8e6da10 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1622,6 +1622,25 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int 
is_on)
 static int ci_udc_start(struct usb_gadget *gadget,
                         struct usb_gadget_driver *driver);
 static int ci_udc_stop(struct usb_gadget *gadget);
+
+/* Match ISOC IN from the highest endpoint */
+static struct usb_ep *ci_udc_match_ep(struct usb_gadget *gadget,
+                             struct usb_endpoint_descriptor *desc,
+                             struct usb_ss_ep_comp_descriptor *comp_desc)
+{
+       struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget);
+       struct usb_ep *ep;
+
+       if (usb_endpoint_xfer_isoc(desc) && usb_endpoint_dir_in(desc)) {
+               list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) {
+                       if (ep->caps.dir_in && !ep->claimed)
+                               return ep;
+               }
+       }
+
+       return NULL;
+}
+
 /**
  * Device operations part of the API to the USB controller hardware,
  * which don't involve endpoints (or i/o)
@@ -1635,6 +1654,7 @@ static const struct usb_gadget_ops usb_gadget_ops = {
        .vbus_draw      = ci_udc_vbus_draw,
        .udc_start      = ci_udc_start,
        .udc_stop       = ci_udc_stop,
+       .match_ep       = ci_udc_match_ep,
 };
 
 static int init_eps(struct ci_hdrc *ci)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 765ef5f1ffb8..3c8e65900dcb 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1608,8 +1608,13 @@ static void handle_port_status(struct xhci_hcd *xhci,
                usb_hcd_resume_root_hub(hcd);
        }
 
-       if (hcd->speed >= HCD_USB3 && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE)
+       if (hcd->speed >= HCD_USB3 &&
+           (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) {
+               slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1);
+               if (slot_id && xhci->devs[slot_id])
+                       xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR;
                bus_state->port_remote_wakeup &= ~(1 << hcd_portnum);
+       }
 
        if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) {
                xhci_dbg(xhci, "port resume event for port %d\n", port_id);
@@ -1797,6 +1802,14 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd 
*xhci,
 {
        struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
        struct xhci_command *command;
+
+       /*
+        * Avoid resetting endpoint if link is inactive. Can cause host hang.
+        * Device will be reset soon to recover the link so don't do anything
+        */
+       if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR)
+               return;
+
        command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
        if (!command)
                return;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 448e3f812833..f39ca3980e48 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1442,6 +1442,10 @@ static int xhci_urb_enqueue(struct usb_hcd *hcd, struct 
urb *urb, gfp_t mem_flag
                        xhci_dbg(xhci, "urb submitted during PCI suspend\n");
                return -ESHUTDOWN;
        }
+       if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) {
+               xhci_dbg(xhci, "Can't queue urb, port error, link inactive\n");
+               return -ENODEV;
+       }
 
        if (usb_endpoint_xfer_isoc(&urb->ep->desc))
                num_tds = urb->number_of_packets;
@@ -3724,6 +3728,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd 
*hcd,
        }
        /* If necessary, update the number of active TTs on this root port */
        xhci_update_tt_active_eps(xhci, virt_dev, old_active_eps);
+       virt_dev->flags = 0;
        ret = 0;
 
 command_cleanup:
@@ -5029,16 +5034,26 @@ int xhci_gen_setup(struct usb_hcd *hcd, 
xhci_get_quirks_t get_quirks)
        } else {
                /*
                 * Some 3.1 hosts return sbrn 0x30, use xhci supported protocol
-                * minor revision instead of sbrn
+                * minor revision instead of sbrn. Minor revision is a two digit
+                * BCD containing minor and sub-minor numbers, only show minor.
                 */
-               minor_rev = xhci->usb3_rhub.min_rev;
-               if (minor_rev) {
+               minor_rev = xhci->usb3_rhub.min_rev / 0x10;
+
+               switch (minor_rev) {
+               case 2:
+                       hcd->speed = HCD_USB32;
+                       hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
+                       hcd->self.root_hub->rx_lanes = 2;
+                       hcd->self.root_hub->tx_lanes = 2;
+                       break;
+               case 1:
                        hcd->speed = HCD_USB31;
                        hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
+                       break;
                }
-               xhci_info(xhci, "Host supports USB 3.%x %s SuperSpeed\n",
+               xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n",
                          minor_rev,
-                         minor_rev ? "Enhanced" : "");
+                         minor_rev ? "Enhanced " : "");
 
                xhci->usb3_rhub.hcd = hcd;
                /* xHCI private pointer was set in xhci_pci_probe for the second
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 9334cdee382a..a0035e7b62d8 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1010,6 +1010,15 @@ struct xhci_virt_device {
        u8                              real_port;
        struct xhci_interval_bw_table   *bw_table;
        struct xhci_tt_bw_info          *tt_info;
+       /*
+        * flags for state tracking based on events and issued commands.
+        * Software can not rely on states from output contexts because of
+        * latency between events and xHC updating output context values.
+        * See xhci 1.1 section 4.8.3 for more details
+        */
+       unsigned long                   flags;
+#define VDEV_PORT_ERROR                        BIT(0) /* Port error, link 
inactive */
+
        /* The current max exit latency for the enabled USB3 link states. */
        u16                             current_mel;
        /* Used for the debugfs interfaces. */
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 10d9589001a9..bb5bd49573b4 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -747,6 +747,7 @@ static void __reada_start_machine(struct btrfs_fs_info 
*fs_info)
        u64 total = 0;
        int i;
 
+again:
        do {
                enqueued = 0;
                mutex_lock(&fs_devices->device_list_mutex);
@@ -758,6 +759,10 @@ static void __reada_start_machine(struct btrfs_fs_info 
*fs_info)
                mutex_unlock(&fs_devices->device_list_mutex);
                total += enqueued;
        } while (enqueued && total < 10000);
+       if (fs_devices->seed) {
+               fs_devices = fs_devices->seed;
+               goto again;
+       }
 
        if (enqueued == 0)
                return;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index a05bf1d6e1d0..2ab3de440927 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -303,6 +303,7 @@ cifs_alloc_inode(struct super_block *sb)
        cifs_inode->uniqueid = 0;
        cifs_inode->createtime = 0;
        cifs_inode->epoch = 0;
+       spin_lock_init(&cifs_inode->open_file_lock);
        generate_random_uuid(cifs_inode->lease_key);
 
        /*
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 607468948f72..a588fbc54968 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1357,6 +1357,7 @@ struct cifsInodeInfo {
        struct rw_semaphore lock_sem;   /* protect the fields above */
        /* BB add in lists for dirty pages i.e. write caching info for oplock */
        struct list_head openFileList;
+       spinlock_t      open_file_lock; /* protects openFileList */
        __u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
        unsigned int oplock;            /* oplock/lease level we have */
        unsigned int epoch;             /* used to track lease state changes */
@@ -1760,10 +1761,14 @@ require use of the stronger protocol */
  *  tcp_ses_lock protects:
  *     list operations on tcp and SMB session lists
  *  tcon->open_file_lock protects the list of open files hanging off the tcon
+ *  inode->open_file_lock protects the openFileList hanging off the inode
  *  cfile->file_info_lock protects counters and fields in cifs file struct
  *  f_owner.lock protects certain per file struct operations
  *  mapping->page_lock protects certain per page operations
  *
+ *  Note that the cifs_tcon.open_file_lock should be taken before
+ *  not after the cifsInodeInfo.open_file_lock
+ *
  *  Semaphores
  *  ----------
  *  sesSem     operations on smb session
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4c0e44489f21..e9507fba0b36 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -478,6 +478,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
        spin_lock(&GlobalMid_Lock);
        server->nr_targets = 1;
 #ifdef CONFIG_CIFS_DFS_UPCALL
+       spin_unlock(&GlobalMid_Lock);
        cifs_sb = find_super_by_tcp(server);
        if (IS_ERR(cifs_sb)) {
                rc = PTR_ERR(cifs_sb);
@@ -495,6 +496,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
        }
        cifs_dbg(FYI, "%s: will retry %d target(s)\n", __func__,
                 server->nr_targets);
+       spin_lock(&GlobalMid_Lock);
 #endif
        if (server->tcpStatus == CifsExiting) {
                /* the demux thread will exit normally
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 9a1db37b303a..736a61843e73 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -338,10 +338,12 @@ cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
        atomic_inc(&tcon->num_local_opens);
 
        /* if readable file instance put first in list*/
+       spin_lock(&cinode->open_file_lock);
        if (file->f_mode & FMODE_READ)
                list_add(&cfile->flist, &cinode->openFileList);
        else
                list_add_tail(&cfile->flist, &cinode->openFileList);
+       spin_unlock(&cinode->open_file_lock);
        spin_unlock(&tcon->open_file_lock);
 
        if (fid->purge_cache)
@@ -413,7 +415,9 @@ void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool 
wait_oplock_handler)
        cifs_add_pending_open_locked(&fid, cifs_file->tlink, &open);
 
        /* remove it from the lists */
+       spin_lock(&cifsi->open_file_lock);
        list_del(&cifs_file->flist);
+       spin_unlock(&cifsi->open_file_lock);
        list_del(&cifs_file->tlist);
        atomic_dec(&tcon->num_local_opens);
 
@@ -1950,9 +1954,9 @@ cifs_get_writable_file(struct cifsInodeInfo *cifs_inode, 
bool fsuid_only,
                        return 0;
                }
 
-               spin_lock(&tcon->open_file_lock);
+               spin_lock(&cifs_inode->open_file_lock);
                list_move_tail(&inv_file->flist, &cifs_inode->openFileList);
-               spin_unlock(&tcon->open_file_lock);
+               spin_unlock(&cifs_inode->open_file_lock);
                cifsFileInfo_put(inv_file);
                ++refind;
                inv_file = NULL;
diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index e32c264e3adb..82ade16c9501 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -457,7 +457,7 @@ static const struct status_to_posix_error 
smb2_error_map_table[] = {
        {STATUS_FILE_INVALID, -EIO, "STATUS_FILE_INVALID"},
        {STATUS_ALLOTTED_SPACE_EXCEEDED, -EIO,
        "STATUS_ALLOTTED_SPACE_EXCEEDED"},
-       {STATUS_INSUFFICIENT_RESOURCES, -EREMOTEIO,
+       {STATUS_INSUFFICIENT_RESOURCES, -EAGAIN,
                                "STATUS_INSUFFICIENT_RESOURCES"},
        {STATUS_DFS_EXIT_PATH_FOUND, -EIO, "STATUS_DFS_EXIT_PATH_FOUND"},
        {STATUS_DEVICE_DATA_ERROR, -EIO, "STATUS_DEVICE_DATA_ERROR"},
diff --git a/fs/namespace.c b/fs/namespace.c
index c9cab307fa77..061f247a3cdb 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2079,6 +2079,7 @@ static int attach_recursive_mnt(struct mount *source_mnt,
                /* Notice when we are propagating across user namespaces */
                if (child->mnt_parent->mnt_ns->user_ns != user_ns)
                        lock_mnt_tree(child);
+               child->mnt.mnt_flags &= ~MNT_LOCKED;
                commit_tree(child);
        }
        put_mountpoint(smp);
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index b48273e846ad..f0389849fd80 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -553,15 +553,15 @@ static void ovl_fill_inode(struct inode *inode, umode_t 
mode, dev_t rdev,
        int xinobits = ovl_xino_bits(inode->i_sb);
 
        /*
-        * When NFS export is enabled and d_ino is consistent with st_ino
-        * (samefs or i_ino has enough bits to encode layer), set the same
-        * value used for d_ino to i_ino, because nfsd readdirplus compares
-        * d_ino values to i_ino values of child entries. When called from
+        * When d_ino is consistent with st_ino (samefs or i_ino has enough
+        * bits to encode layer), set the same value used for st_ino to i_ino,
+        * so inode number exposed via /proc/locks and a like will be
+        * consistent with d_ino and st_ino values. An i_ino value inconsistent
+        * with d_ino also causes nfsd readdirplus to fail.  When called from
         * ovl_new_inode(), ino arg is 0, so i_ino will be updated to real
         * upper inode i_ino on ovl_inode_init() or ovl_inode_update().
         */
-       if (inode->i_sb->s_export_op &&
-           (ovl_same_sb(inode->i_sb) || xinobits)) {
+       if (ovl_same_sb(inode->i_sb) || xinobits) {
                inode->i_ino = ino;
                if (xinobits && fsid && !(ino >> (64 - xinobits)))
                        inode->i_ino |= (unsigned long)fsid << (64 - xinobits);
@@ -777,6 +777,54 @@ struct inode *ovl_lookup_inode(struct super_block *sb, 
struct dentry *real,
        return inode;
 }
 
+bool ovl_lookup_trap_inode(struct super_block *sb, struct dentry *dir)
+{
+       struct inode *key = d_inode(dir);
+       struct inode *trap;
+       bool res;
+
+       trap = ilookup5(sb, (unsigned long) key, ovl_inode_test, key);
+       if (!trap)
+               return false;
+
+       res = IS_DEADDIR(trap) && !ovl_inode_upper(trap) &&
+                                 !ovl_inode_lower(trap);
+
+       iput(trap);
+       return res;
+}
+
+/*
+ * Create an inode cache entry for layer root dir, that will intentionally
+ * fail ovl_verify_inode(), so any lookup that will find some layer root
+ * will fail.
+ */
+struct inode *ovl_get_trap_inode(struct super_block *sb, struct dentry *dir)
+{
+       struct inode *key = d_inode(dir);
+       struct inode *trap;
+
+       if (!d_is_dir(dir))
+               return ERR_PTR(-ENOTDIR);
+
+       trap = iget5_locked(sb, (unsigned long) key, ovl_inode_test,
+                           ovl_inode_set, key);
+       if (!trap)
+               return ERR_PTR(-ENOMEM);
+
+       if (!(trap->i_state & I_NEW)) {
+               /* Conflicting layer roots? */
+               iput(trap);
+               return ERR_PTR(-ELOOP);
+       }
+
+       trap->i_mode = S_IFDIR;
+       trap->i_flags = S_DEAD;
+       unlock_new_inode(trap);
+
+       return trap;
+}
+
 /*
  * Does overlay inode need to be hashed by lower inode?
  */
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index efd372312ef1..badf039267a2 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -18,6 +18,7 @@
 #include "overlayfs.h"
 
 struct ovl_lookup_data {
+       struct super_block *sb;
        struct qstr name;
        bool is_dir;
        bool opaque;
@@ -244,6 +245,12 @@ static int ovl_lookup_single(struct dentry *base, struct 
ovl_lookup_data *d,
                if (!d->metacopy || d->last)
                        goto out;
        } else {
+               if (ovl_lookup_trap_inode(d->sb, this)) {
+                       /* Caught in a trap of overlapping layers */
+                       err = -ELOOP;
+                       goto out_err;
+               }
+
                if (last_element)
                        d->is_dir = true;
                if (d->last)
@@ -819,6 +826,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry 
*dentry,
        int err;
        bool metacopy = false;
        struct ovl_lookup_data d = {
+               .sb = dentry->d_sb,
                .name = dentry->d_name,
                .is_dir = false,
                .opaque = false,
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index d26efed9f80a..cec40077b522 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -270,6 +270,7 @@ void ovl_clear_flag(unsigned long flag, struct inode 
*inode);
 bool ovl_test_flag(unsigned long flag, struct inode *inode);
 bool ovl_inuse_trylock(struct dentry *dentry);
 void ovl_inuse_unlock(struct dentry *dentry);
+bool ovl_is_inuse(struct dentry *dentry);
 bool ovl_need_index(struct dentry *dentry);
 int ovl_nlink_start(struct dentry *dentry);
 void ovl_nlink_end(struct dentry *dentry);
@@ -376,6 +377,8 @@ struct ovl_inode_params {
 struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev);
 struct inode *ovl_lookup_inode(struct super_block *sb, struct dentry *real,
                               bool is_upper);
+bool ovl_lookup_trap_inode(struct super_block *sb, struct dentry *dir);
+struct inode *ovl_get_trap_inode(struct super_block *sb, struct dentry *dir);
 struct inode *ovl_get_inode(struct super_block *sb,
                            struct ovl_inode_params *oip);
 static inline void ovl_copyattr(struct inode *from, struct inode *to)
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h
index ec237035333a..6ed1ace8f8b3 100644
--- a/fs/overlayfs/ovl_entry.h
+++ b/fs/overlayfs/ovl_entry.h
@@ -29,6 +29,8 @@ struct ovl_sb {
 
 struct ovl_layer {
        struct vfsmount *mnt;
+       /* Trap in ovl inode cache */
+       struct inode *trap;
        struct ovl_sb *fs;
        /* Index of this layer in fs root (upper idx == 0) */
        int idx;
@@ -65,6 +67,10 @@ struct ovl_fs {
        /* Did we take the inuse lock? */
        bool upperdir_locked;
        bool workdir_locked;
+       /* Traps in ovl inode cache */
+       struct inode *upperdir_trap;
+       struct inode *workdir_trap;
+       struct inode *indexdir_trap;
        /* Inode numbers in all layers do not use the high xino_bits */
        unsigned int xino_bits;
 };
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 0116735cc321..9780617c69ee 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -217,6 +217,9 @@ static void ovl_free_fs(struct ovl_fs *ofs)
 {
        unsigned i;
 
+       iput(ofs->indexdir_trap);
+       iput(ofs->workdir_trap);
+       iput(ofs->upperdir_trap);
        dput(ofs->indexdir);
        dput(ofs->workdir);
        if (ofs->workdir_locked)
@@ -225,8 +228,10 @@ static void ovl_free_fs(struct ovl_fs *ofs)
        if (ofs->upperdir_locked)
                ovl_inuse_unlock(ofs->upper_mnt->mnt_root);
        mntput(ofs->upper_mnt);
-       for (i = 0; i < ofs->numlower; i++)
+       for (i = 0; i < ofs->numlower; i++) {
+               iput(ofs->lower_layers[i].trap);
                mntput(ofs->lower_layers[i].mnt);
+       }
        for (i = 0; i < ofs->numlowerfs; i++)
                free_anon_bdev(ofs->lower_fs[i].pseudo_dev);
        kfree(ofs->lower_layers);
@@ -984,7 +989,26 @@ static const struct xattr_handler *ovl_xattr_handlers[] = {
        NULL
 };
 
-static int ovl_get_upper(struct ovl_fs *ofs, struct path *upperpath)
+static int ovl_setup_trap(struct super_block *sb, struct dentry *dir,
+                         struct inode **ptrap, const char *name)
+{
+       struct inode *trap;
+       int err;
+
+       trap = ovl_get_trap_inode(sb, dir);
+       err = PTR_ERR_OR_ZERO(trap);
+       if (err) {
+               if (err == -ELOOP)
+                       pr_err("overlayfs: conflicting %s path\n", name);
+               return err;
+       }
+
+       *ptrap = trap;
+       return 0;
+}
+
+static int ovl_get_upper(struct super_block *sb, struct ovl_fs *ofs,
+                        struct path *upperpath)
 {
        struct vfsmount *upper_mnt;
        int err;
@@ -1004,6 +1028,11 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path 
*upperpath)
        if (err)
                goto out;
 
+       err = ovl_setup_trap(sb, upperpath->dentry, &ofs->upperdir_trap,
+                            "upperdir");
+       if (err)
+               goto out;
+
        upper_mnt = clone_private_mount(upperpath);
        err = PTR_ERR(upper_mnt);
        if (IS_ERR(upper_mnt)) {
@@ -1030,7 +1059,8 @@ static int ovl_get_upper(struct ovl_fs *ofs, struct path 
*upperpath)
        return err;
 }
 
-static int ovl_make_workdir(struct ovl_fs *ofs, struct path *workpath)
+static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
+                           struct path *workpath)
 {
        struct vfsmount *mnt = ofs->upper_mnt;
        struct dentry *temp;
@@ -1045,6 +1075,10 @@ static int ovl_make_workdir(struct ovl_fs *ofs, struct 
path *workpath)
        if (!ofs->workdir)
                goto out;
 
+       err = ovl_setup_trap(sb, ofs->workdir, &ofs->workdir_trap, "workdir");
+       if (err)
+               goto out;
+
        /*
         * Upper should support d_type, else whiteouts are visible.  Given
         * workdir and upper are on same fs, we can do iterate_dir() on
@@ -1105,7 +1139,8 @@ static int ovl_make_workdir(struct ovl_fs *ofs, struct 
path *workpath)
        return err;
 }
 
-static int ovl_get_workdir(struct ovl_fs *ofs, struct path *upperpath)
+static int ovl_get_workdir(struct super_block *sb, struct ovl_fs *ofs,
+                          struct path *upperpath)
 {
        int err;
        struct path workpath = { };
@@ -1136,19 +1171,16 @@ static int ovl_get_workdir(struct ovl_fs *ofs, struct 
path *upperpath)
                pr_warn("overlayfs: workdir is in-use by another mount, 
accessing files from both mounts will result in undefined behavior.\n");
        }
 
-       err = ovl_make_workdir(ofs, &workpath);
-       if (err)
-               goto out;
+       err = ovl_make_workdir(sb, ofs, &workpath);
 
-       err = 0;
 out:
        path_put(&workpath);
 
        return err;
 }
 
-static int ovl_get_indexdir(struct ovl_fs *ofs, struct ovl_entry *oe,
-                           struct path *upperpath)
+static int ovl_get_indexdir(struct super_block *sb, struct ovl_fs *ofs,
+                           struct ovl_entry *oe, struct path *upperpath)
 {
        struct vfsmount *mnt = ofs->upper_mnt;
        int err;
@@ -1167,6 +1199,11 @@ static int ovl_get_indexdir(struct ovl_fs *ofs, struct 
ovl_entry *oe,
 
        ofs->indexdir = ovl_workdir_create(ofs, OVL_INDEXDIR_NAME, true);
        if (ofs->indexdir) {
+               err = ovl_setup_trap(sb, ofs->indexdir, &ofs->indexdir_trap,
+                                    "indexdir");
+               if (err)
+                       goto out;
+
                /*
                 * Verify upper root is exclusively associated with index dir.
                 * Older kernels stored upper fh in "trusted.overlay.origin"
@@ -1254,8 +1291,8 @@ static int ovl_get_fsid(struct ovl_fs *ofs, const struct 
path *path)
        return ofs->numlowerfs;
 }
 
-static int ovl_get_lower_layers(struct ovl_fs *ofs, struct path *stack,
-                               unsigned int numlower)
+static int ovl_get_lower_layers(struct super_block *sb, struct ovl_fs *ofs,
+                               struct path *stack, unsigned int numlower)
 {
        int err;
        unsigned int i;
@@ -1273,16 +1310,28 @@ static int ovl_get_lower_layers(struct ovl_fs *ofs, 
struct path *stack,
 
        for (i = 0; i < numlower; i++) {
                struct vfsmount *mnt;
+               struct inode *trap;
                int fsid;
 
                err = fsid = ovl_get_fsid(ofs, &stack[i]);
                if (err < 0)
                        goto out;
 
+               err = -EBUSY;
+               if (ovl_is_inuse(stack[i].dentry)) {
+                       pr_err("overlayfs: lowerdir is in-use as 
upperdir/workdir\n");
+                       goto out;
+               }
+
+               err = ovl_setup_trap(sb, stack[i].dentry, &trap, "lowerdir");
+               if (err)
+                       goto out;
+
                mnt = clone_private_mount(&stack[i]);
                err = PTR_ERR(mnt);
                if (IS_ERR(mnt)) {
                        pr_err("overlayfs: failed to clone lowerpath\n");
+                       iput(trap);
                        goto out;
                }
 
@@ -1292,6 +1341,7 @@ static int ovl_get_lower_layers(struct ovl_fs *ofs, 
struct path *stack,
                 */
                mnt->mnt_flags |= MNT_READONLY | MNT_NOATIME;
 
+               ofs->lower_layers[ofs->numlower].trap = trap;
                ofs->lower_layers[ofs->numlower].mnt = mnt;
                ofs->lower_layers[ofs->numlower].idx = i + 1;
                ofs->lower_layers[ofs->numlower].fsid = fsid;
@@ -1386,7 +1436,7 @@ static struct ovl_entry *ovl_get_lowerstack(struct 
super_block *sb,
                goto out_err;
        }
 
-       err = ovl_get_lower_layers(ofs, stack, numlower);
+       err = ovl_get_lower_layers(sb, ofs, stack, numlower);
        if (err)
                goto out_err;
 
@@ -1418,6 +1468,77 @@ static struct ovl_entry *ovl_get_lowerstack(struct 
super_block *sb,
        goto out;
 }
 
+/*
+ * Check if this layer root is a descendant of:
+ * - another layer of this overlayfs instance
+ * - upper/work dir of any overlayfs instance
+ */
+static int ovl_check_layer(struct super_block *sb, struct dentry *dentry,
+                          const char *name)
+{
+       struct dentry *next = dentry, *parent;
+       int err = 0;
+
+       if (!dentry)
+               return 0;
+
+       parent = dget_parent(next);
+
+       /* Walk back ancestors to root (inclusive) looking for traps */
+       while (!err && parent != next) {
+               if (ovl_is_inuse(parent)) {
+                       err = -EBUSY;
+                       pr_err("overlayfs: %s path overlapping in-use 
upperdir/workdir\n",
+                              name);
+               } else if (ovl_lookup_trap_inode(sb, parent)) {
+                       err = -ELOOP;
+                       pr_err("overlayfs: overlapping %s path\n", name);
+               }
+               next = parent;
+               parent = dget_parent(next);
+               dput(next);
+       }
+
+       dput(parent);
+
+       return err;
+}
+
+/*
+ * Check if any of the layers or work dirs overlap.
+ */
+static int ovl_check_overlapping_layers(struct super_block *sb,
+                                       struct ovl_fs *ofs)
+{
+       int i, err;
+
+       if (ofs->upper_mnt) {
+               err = ovl_check_layer(sb, ofs->upper_mnt->mnt_root, "upperdir");
+               if (err)
+                       return err;
+
+               /*
+                * Checking workbasedir avoids hitting ovl_is_inuse(parent) of
+                * this instance and covers overlapping work and index dirs,
+                * unless work or index dir have been moved since created inside
+                * workbasedir.  In that case, we already have their traps in
+                * inode cache and we will catch that case on lookup.
+                */
+               err = ovl_check_layer(sb, ofs->workbasedir, "workdir");
+               if (err)
+                       return err;
+       }
+
+       for (i = 0; i < ofs->numlower; i++) {
+               err = ovl_check_layer(sb, ofs->lower_layers[i].mnt->mnt_root,
+                                     "lowerdir");
+               if (err)
+                       return err;
+       }
+
+       return 0;
+}
+
 static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 {
        struct path upperpath = { };
@@ -1457,17 +1578,20 @@ static int ovl_fill_super(struct super_block *sb, void 
*data, int silent)
        if (ofs->config.xino != OVL_XINO_OFF)
                ofs->xino_bits = BITS_PER_LONG - 32;
 
+       /* alloc/destroy_inode needed for setting up traps in inode cache */
+       sb->s_op = &ovl_super_operations;
+
        if (ofs->config.upperdir) {
                if (!ofs->config.workdir) {
                        pr_err("overlayfs: missing 'workdir'\n");
                        goto out_err;
                }
 
-               err = ovl_get_upper(ofs, &upperpath);
+               err = ovl_get_upper(sb, ofs, &upperpath);
                if (err)
                        goto out_err;
 
-               err = ovl_get_workdir(ofs, &upperpath);
+               err = ovl_get_workdir(sb, ofs, &upperpath);
                if (err)
                        goto out_err;
 
@@ -1488,7 +1612,7 @@ static int ovl_fill_super(struct super_block *sb, void 
*data, int silent)
                sb->s_flags |= SB_RDONLY;
 
        if (!(ovl_force_readonly(ofs)) && ofs->config.index) {
-               err = ovl_get_indexdir(ofs, oe, &upperpath);
+               err = ovl_get_indexdir(sb, ofs, oe, &upperpath);
                if (err)
                        goto out_free_oe;
 
@@ -1501,6 +1625,10 @@ static int ovl_fill_super(struct super_block *sb, void 
*data, int silent)
 
        }
 
+       err = ovl_check_overlapping_layers(sb, ofs);
+       if (err)
+               goto out_free_oe;
+
        /* Show index=off in /proc/mounts for forced r/o mount */
        if (!ofs->indexdir) {
                ofs->config.index = false;
@@ -1522,7 +1650,6 @@ static int ovl_fill_super(struct super_block *sb, void 
*data, int silent)
        cap_lower(cred->cap_effective, CAP_SYS_RESOURCE);
 
        sb->s_magic = OVERLAYFS_SUPER_MAGIC;
-       sb->s_op = &ovl_super_operations;
        sb->s_xattr = ovl_xattr_handlers;
        sb->s_fs_info = ofs;
        sb->s_flags |= SB_POSIXACL;
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 4035e640f402..e135064e87ad 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -652,6 +652,18 @@ void ovl_inuse_unlock(struct dentry *dentry)
        }
 }
 
+bool ovl_is_inuse(struct dentry *dentry)
+{
+       struct inode *inode = d_inode(dentry);
+       bool inuse;
+
+       spin_lock(&inode->i_lock);
+       inuse = (inode->i_state & I_OVL_INUSE);
+       spin_unlock(&inode->i_lock);
+
+       return inuse;
+}
+
 /*
  * Does this overlay dentry need to be indexed on copy up?
  */
diff --git a/fs/pnode.c b/fs/pnode.c
index 7ea6cfb65077..012be405fec0 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -262,7 +262,6 @@ static int propagate_one(struct mount *m)
        child = copy_tree(last_source, last_source->mnt.mnt_root, type);
        if (IS_ERR(child))
                return PTR_ERR(child);
-       child->mnt.mnt_flags &= ~MNT_LOCKED;
        mnt_set_mountpoint(m, mp, child);
        last_dest = m;
        last_source = child;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 43d0f0c496f6..ecb7972e2423 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -398,6 +398,7 @@ struct mmc_host {
        unsigned int            retune_now:1;   /* do re-tuning at next req */
        unsigned int            retune_paused:1; /* re-tuning is temporarily 
disabled */
        unsigned int            use_blk_mq:1;   /* use blk-mq */
+       unsigned int            retune_crc_disable:1; /* don't trigger retune 
upon crc */
 
        int                     rescan_disable; /* disable card detection */
        int                     rescan_entered; /* used with nonremovable 
devices */
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 97ca105347a6..6905f3f641cc 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -159,4 +159,10 @@ extern void sdio_f0_writeb(struct sdio_func *func, 
unsigned char b,
 extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
 extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
 
+extern void sdio_retune_crc_disable(struct sdio_func *func);
+extern void sdio_retune_crc_enable(struct sdio_func *func);
+
+extern void sdio_retune_hold_now(struct sdio_func *func);
+extern void sdio_retune_release(struct sdio_func *func);
+
 #endif /* LINUX_MMC_SDIO_FUNC_H */
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 094e61e07030..05b1b96f4d9e 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -190,6 +190,9 @@ struct adv_info {
 
 #define HCI_MAX_SHORT_NAME_LENGTH      10
 
+/* Min encryption key size to match with SMP */
+#define HCI_MIN_ENC_KEY_SIZE           7
+
 /* Default LE RPA expiry time, 15 minutes */
 #define HCI_DEFAULT_RPA_TIMEOUT                (15 * 60)
 
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 13bfeb712d36..ab00733087ac 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3767,7 +3767,8 @@ struct cfg80211_ops {
  *     on wiphy_new(), but can be changed by the driver if it has a good
  *     reason to override the default
  * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
- *     on a VLAN interface)
+ *     on a VLAN interface). This flag also serves an extra purpose of
+ *     supporting 4ADDR AP mode on devices which do not support AP/VLAN iftype.
  * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
  * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the
  *     control port protocol ethertype. The device also honours the
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ca1ee656d6d8..5880c993002b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -8627,12 +8627,8 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
 
                cnt++;
 
-               /* reset all but tr, trace, and overruns */
-               memset(&iter.seq, 0,
-                      sizeof(struct trace_iterator) -
-                      offsetof(struct trace_iterator, seq));
+               trace_iterator_reset(&iter);
                iter.iter_flags |= TRACE_FILE_LAT_FMT;
-               iter.pos = -1;
 
                if (trace_find_next_entry_inc(&iter) != NULL) {
                        int ret;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index d80cee49e0eb..8ddf36e5eb42 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1964,4 +1964,22 @@ static inline void tracer_hardirqs_off(unsigned long a0, 
unsigned long a1) { }
 
 extern struct trace_iterator *tracepoint_print_iter;
 
+/*
+ * Reset the state of the trace_iterator so that it can read consumed data.
+ * Normally, the trace_iterator is used for reading the data when it is not
+ * consumed, and must retain state.
+ */
+static __always_inline void trace_iterator_reset(struct trace_iterator *iter)
+{
+       const size_t offset = offsetof(struct trace_iterator, seq);
+
+       /*
+        * Keep gcc from complaining about overwriting more than just one
+        * member in the structure.
+        */
+       memset((char *)iter + offset, 0, sizeof(struct trace_iterator) - 
offset);
+
+       iter->pos = -1;
+}
+
 #endif /* _LINUX_KERNEL_TRACE_H */
diff --git a/kernel/trace/trace_kdb.c b/kernel/trace/trace_kdb.c
index 810d78a8d14c..2905a3dd94c1 100644
--- a/kernel/trace/trace_kdb.c
+++ b/kernel/trace/trace_kdb.c
@@ -41,12 +41,8 @@ static void ftrace_dump_buf(int skip_lines, long cpu_file)
 
        kdb_printf("Dumping ftrace buffer:\n");
 
-       /* reset all but tr, trace, and overruns */
-       memset(&iter.seq, 0,
-                  sizeof(struct trace_iterator) -
-                  offsetof(struct trace_iterator, seq));
+       trace_iterator_reset(&iter);
        iter.iter_flags |= TRACE_FILE_LAT_FMT;
-       iter.pos = -1;
 
        if (cpu_file == RING_BUFFER_ALL_CPUS) {
                for_each_tracing_cpu(cpu) {
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index bd4978ce8c45..15d1cb5aee18 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1392,8 +1392,16 @@ int hci_conn_security(struct hci_conn *conn, __u8 
sec_level, __u8 auth_type,
                return 0;
 
 encrypt:
-       if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
+       if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) {
+               /* Ensure that the encryption key size has been read,
+                * otherwise stall the upper layer responses.
+                */
+               if (!conn->enc_key_size)
+                       return 0;
+
+               /* Nothing else needed, all requirements are met */
                return 1;
+       }
 
        hci_conn_encrypt(conn);
        return 0;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index b53acd6c9a3d..9f77432dbe38 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1341,6 +1341,21 @@ static void l2cap_request_info(struct l2cap_conn *conn)
                       sizeof(req), &req);
 }
 
+static bool l2cap_check_enc_key_size(struct hci_conn *hcon)
+{
+       /* The minimum encryption key size needs to be enforced by the
+        * host stack before establishing any L2CAP connections. The
+        * specification in theory allows a minimum of 1, but to align
+        * BR/EDR and LE transports, a minimum of 7 is chosen.
+        *
+        * This check might also be called for unencrypted connections
+        * that have no key size requirements. Ensure that the link is
+        * actually encrypted before enforcing a key size.
+        */
+       return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||
+               hcon->enc_key_size > HCI_MIN_ENC_KEY_SIZE);
+}
+
 static void l2cap_do_start(struct l2cap_chan *chan)
 {
        struct l2cap_conn *conn = chan->conn;
@@ -1358,9 +1373,14 @@ static void l2cap_do_start(struct l2cap_chan *chan)
        if (!(conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE))
                return;
 
-       if (l2cap_chan_check_security(chan, true) &&
-           __l2cap_no_conn_pending(chan))
+       if (!l2cap_chan_check_security(chan, true) ||
+           !__l2cap_no_conn_pending(chan))
+               return;
+
+       if (l2cap_check_enc_key_size(conn->hcon))
                l2cap_start_connection(chan);
+       else
+               __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
 }
 
 static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
@@ -1439,7 +1459,10 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
                                continue;
                        }
 
-                       l2cap_start_connection(chan);
+                       if (l2cap_check_enc_key_size(conn->hcon))
+                               l2cap_start_connection(chan);
+                       else
+                               l2cap_chan_close(chan, ECONNREFUSED);
 
                } else if (chan->state == BT_CONNECT2) {
                        struct l2cap_conn_rsp rsp;
@@ -7490,7 +7513,7 @@ static void l2cap_security_cfm(struct hci_conn *hcon, u8 
status, u8 encrypt)
                }
 
                if (chan->state == BT_CONNECT) {
-                       if (!status)
+                       if (!status && l2cap_check_enc_key_size(hcon))
                                l2cap_start_connection(chan);
                        else
                                __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
@@ -7499,7 +7522,7 @@ static void l2cap_security_cfm(struct hci_conn *hcon, u8 
status, u8 encrypt)
                        struct l2cap_conn_rsp rsp;
                        __u16 res, stat;
 
-                       if (!status) {
+                       if (!status && l2cap_check_enc_key_size(hcon)) {
                                if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) {
                                        res = L2CAP_CR_PEND;
                                        stat = L2CAP_CS_AUTHOR_PEND;
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 1684ba5b51eb..e386d654116d 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -105,6 +105,7 @@ EXPORT_SYMBOL(can_ioctl);
 static void can_sock_destruct(struct sock *sk)
 {
        skb_queue_purge(&sk->sk_receive_queue);
+       skb_queue_purge(&sk->sk_error_queue);
 }
 
 static const struct can_proto *can_get_proto(int protocol)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index e170f986d226..c875d45f1e1d 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -2222,6 +2222,9 @@ void ieee80211_tdls_cancel_channel_switch(struct wiphy 
*wiphy,
                                          const u8 *addr);
 void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata);
 void ieee80211_tdls_chsw_work(struct work_struct *wk);
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+                                     const u8 *peer, u16 reason);
+const char *ieee80211_get_reason_code_string(u16 reason_code);
 
 extern const struct ethtool_ops ieee80211_ethtool_ops;
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index b7a9fe3d5fcb..383b0df100e4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2963,7 +2963,7 @@ static void ieee80211_rx_mgmt_auth(struct 
ieee80211_sub_if_data *sdata,
 #define case_WLAN(type) \
        case WLAN_REASON_##type: return #type
 
-static const char *ieee80211_get_reason_code_string(u16 reason_code)
+const char *ieee80211_get_reason_code_string(u16 reason_code)
 {
        switch (reason_code) {
        case_WLAN(UNSPECIFIED);
@@ -3028,6 +3028,11 @@ static void ieee80211_rx_mgmt_deauth(struct 
ieee80211_sub_if_data *sdata,
        if (len < 24 + 2)
                return;
 
+       if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+               ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+               return;
+       }
+
        if (ifmgd->associated &&
            ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid)) {
                const u8 *bssid = ifmgd->associated->bssid;
@@ -3077,6 +3082,11 @@ static void ieee80211_rx_mgmt_disassoc(struct 
ieee80211_sub_if_data *sdata,
 
        reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
 
+       if (!ether_addr_equal(mgmt->bssid, mgmt->sa)) {
+               ieee80211_tdls_handle_disconnect(sdata, mgmt->sa, reason_code);
+               return;
+       }
+
        sdata_info(sdata, "disassociated from %pM (Reason: %u=%s)\n",
                   mgmt->sa, reason_code,
                   ieee80211_get_reason_code_string(reason_code));
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bf0b187f994e..1a1f850b76fd 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3823,6 +3823,8 @@ static bool ieee80211_accept_frame(struct 
ieee80211_rx_data *rx)
        case NL80211_IFTYPE_STATION:
                if (!bssid && !sdata->u.mgd.use_4addr)
                        return false;
+               if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
+                       return false;
                if (multicast)
                        return true;
                return ether_addr_equal(sdata->vif.addr, hdr->addr1);
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index d30690d79a58..fcc5cd49c3ac 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1994,3 +1994,26 @@ void ieee80211_tdls_chsw_work(struct work_struct *wk)
        }
        rtnl_unlock();
 }
+
+void ieee80211_tdls_handle_disconnect(struct ieee80211_sub_if_data *sdata,
+                                     const u8 *peer, u16 reason)
+{
+       struct ieee80211_sta *sta;
+
+       rcu_read_lock();
+       sta = ieee80211_find_sta(&sdata->vif, peer);
+       if (!sta || !sta->tdls) {
+               rcu_read_unlock();
+               return;
+       }
+       rcu_read_unlock();
+
+       tdls_dbg(sdata, "disconnected from TDLS peer %pM (Reason: %u=%s)\n",
+                peer, reason,
+                ieee80211_get_reason_code_string(reason));
+
+       ieee80211_tdls_oper_request(&sdata->vif, peer,
+                                   NL80211_TDLS_TEARDOWN,
+                                   WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE,
+                                   GFP_ATOMIC);
+}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 4c1655972565..447a55ae9df1 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3757,7 +3757,9 @@ int ieee80211_check_combinations(struct 
ieee80211_sub_if_data *sdata,
        }
 
        /* Always allow software iftypes */
-       if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
+       if (local->hw.wiphy->software_iftypes & BIT(iftype) ||
+           (iftype == NL80211_IFTYPE_AP_VLAN &&
+            local->hw.wiphy->flags & WIPHY_FLAG_4ADDR_AP)) {
                if (radar_detect)
                        return -EINVAL;
                return 0;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 58d0b258b684..5dd48f0a4b1b 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -1175,7 +1175,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct 
ieee80211_rx_data *rx)
        struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
        struct ieee80211_key *key = rx->key;
        struct ieee80211_mmie_16 *mmie;
-       u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN];
+       u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN];
        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
        if (!ieee80211_is_mgmt(hdr->frame_control))
@@ -1206,13 +1206,18 @@ ieee80211_crypto_aes_gmac_decrypt(struct 
ieee80211_rx_data *rx)
                memcpy(nonce, hdr->addr2, ETH_ALEN);
                memcpy(nonce + ETH_ALEN, ipn, 6);
 
+               mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC);
+               if (!mic)
+                       return RX_DROP_UNUSABLE;
                if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
                                       skb->data + 24, skb->len - 24,
                                       mic) < 0 ||
                    crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                        key->u.aes_gmac.icverrors++;
+                       kfree(mic);
                        return RX_DROP_UNUSABLE;
                }
+               kfree(mic);
        }
 
        memcpy(key->u.aes_gmac.rx_pn, ipn, 6);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index b36ad8efb5e5..c58acca09301 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -513,7 +513,7 @@ struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, 
int sizeof_priv,
                                   &rdev->rfkill_ops, rdev);
 
        if (!rdev->rfkill) {
-               kfree(rdev);
+               wiphy_free(&rdev->wiphy);
                return NULL;
        }
 
@@ -1396,8 +1396,12 @@ static int cfg80211_netdev_notifier_call(struct 
notifier_block *nb,
                }
                break;
        case NETDEV_PRE_UP:
-               if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
+               if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)) &&
+                   !(wdev->iftype == NL80211_IFTYPE_AP_VLAN &&
+                     rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP &&
+                     wdev->use_4addr))
                        return notifier_from_errno(-EOPNOTSUPP);
+
                if (rfkill_blocked(rdev->rfkill))
                        return notifier_from_errno(-ERFKILL);
                break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d2a7459a5da4..d1553a661336 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3385,8 +3385,7 @@ static int nl80211_new_interface(struct sk_buff *skb, 
struct genl_info *info)
        if (info->attrs[NL80211_ATTR_IFTYPE])
                type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
 
-       if (!rdev->ops->add_virtual_intf ||
-           !(rdev->wiphy.interface_modes & (1 << type)))
+       if (!rdev->ops->add_virtual_intf)
                return -EOPNOTSUPP;
 
        if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN ||
@@ -3405,6 +3404,11 @@ static int nl80211_new_interface(struct sk_buff *skb, 
struct genl_info *info)
                        return err;
        }
 
+       if (!(rdev->wiphy.interface_modes & (1 << type)) &&
+           !(type == NL80211_IFTYPE_AP_VLAN && params.use_4addr &&
+             rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP))
+               return -EOPNOTSUPP;
+
        err = nl80211_parse_mon_options(rdev, type, info, &params);
        if (err < 0)
                return err;
@@ -4800,8 +4804,10 @@ static int nl80211_send_station(struct sk_buff *msg, u32 
cmd, u32 portid,
        struct nlattr *sinfoattr, *bss_param;
 
        hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
-       if (!hdr)
+       if (!hdr) {
+               cfg80211_sinfo_release_content(sinfo);
                return -1;
+       }
 
        if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
            nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 122aef5e4e14..371bd17a4983 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -46,7 +46,7 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
        $x      = "[0-9a-f]";   # hex character
        $xs     = "[0-9a-f ]";  # hex character or space
        $funcre = qr/^$x* <(.*)>:$/;
-       if ($arch eq 'aarch64') {
+       if ($arch =~ '^(aarch|arm)64$') {
                #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp, 
#-80]!
                #a110:       d11643ff        sub     sp, sp, #0x590
                $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index 2c6de21e5152..fd854439de0f 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -103,7 +103,7 @@ clean-dirs += $(objtree)/snap/
 # ---------------------------------------------------------------------------
 tar%pkg: FORCE
        $(MAKE) -f $(srctree)/Makefile
-       $(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@
+       +$(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@
 
 clean-dirs += $(objtree)/tar-install/
 
diff --git a/security/apparmor/include/policy.h 
b/security/apparmor/include/policy.h
index 8e6707c837be..06ed62f00b4b 100644
--- a/security/apparmor/include/policy.h
+++ b/security/apparmor/include/policy.h
@@ -217,7 +217,16 @@ static inline struct aa_profile 
*aa_get_newest_profile(struct aa_profile *p)
        return labels_profile(aa_get_newest_label(&p->label));
 }
 
-#define PROFILE_MEDIATES(P, T)  ((P)->policy.start[(unsigned char) (T)])
+static inline unsigned int PROFILE_MEDIATES(struct aa_profile *profile,
+                                           unsigned char class)
+{
+       if (class <= AA_CLASS_LAST)
+               return profile->policy.start[class];
+       else
+               return aa_dfa_match_len(profile->policy.dfa,
+                                       profile->policy.start[0], &class, 1);
+}
+
 static inline unsigned int PROFILE_MEDIATES_AF(struct aa_profile *profile,
                                               u16 AF) {
        unsigned int state = PROFILE_MEDIATES(profile, AA_CLASS_NET);
diff --git a/security/apparmor/policy_unpack.c 
b/security/apparmor/policy_unpack.c
index f6c2bcb2ab14..f1b2202f725e 100644
--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -223,16 +223,21 @@ static void *kvmemdup(const void *src, size_t len)
 static size_t unpack_u16_chunk(struct aa_ext *e, char **chunk)
 {
        size_t size = 0;
+       void *pos = e->pos;
 
        if (!inbounds(e, sizeof(u16)))
-               return 0;
+               goto fail;
        size = le16_to_cpu(get_unaligned((__le16 *) e->pos));
        e->pos += sizeof(__le16);
        if (!inbounds(e, size))
-               return 0;
+               goto fail;
        *chunk = e->pos;
        e->pos += size;
        return size;
+
+fail:
+       e->pos = pos;
+       return 0;
 }
 
 /* unpack control byte */
@@ -276,7 +281,7 @@ static bool unpack_nameX(struct aa_ext *e, enum aa_code 
code, const char *name)
                char *tag = NULL;
                size_t size = unpack_u16_chunk(e, &tag);
                /* if a name is specified it must match. otherwise skip tag */
-               if (name && (!size || strcmp(name, tag)))
+               if (name && (!size || tag[size-1] != '\0' || strcmp(name, tag)))
                        goto fail;
        } else if (name) {
                /* if a name is specified and there is no name tag fail */
@@ -294,62 +299,84 @@ static bool unpack_nameX(struct aa_ext *e, enum aa_code 
code, const char *name)
 
 static bool unpack_u8(struct aa_ext *e, u8 *data, const char *name)
 {
+       void *pos = e->pos;
+
        if (unpack_nameX(e, AA_U8, name)) {
                if (!inbounds(e, sizeof(u8)))
-                       return 0;
+                       goto fail;
                if (data)
                        *data = get_unaligned((u8 *)e->pos);
                e->pos += sizeof(u8);
                return 1;
        }
+
+fail:
+       e->pos = pos;
        return 0;
 }
 
 static bool unpack_u32(struct aa_ext *e, u32 *data, const char *name)
 {
+       void *pos = e->pos;
+
        if (unpack_nameX(e, AA_U32, name)) {
                if (!inbounds(e, sizeof(u32)))
-                       return 0;
+                       goto fail;
                if (data)
                        *data = le32_to_cpu(get_unaligned((__le32 *) e->pos));
                e->pos += sizeof(u32);
                return 1;
        }
+
+fail:
+       e->pos = pos;
        return 0;
 }
 
 static bool unpack_u64(struct aa_ext *e, u64 *data, const char *name)
 {
+       void *pos = e->pos;
+
        if (unpack_nameX(e, AA_U64, name)) {
                if (!inbounds(e, sizeof(u64)))
-                       return 0;
+                       goto fail;
                if (data)
                        *data = le64_to_cpu(get_unaligned((__le64 *) e->pos));
                e->pos += sizeof(u64);
                return 1;
        }
+
+fail:
+       e->pos = pos;
        return 0;
 }
 
 static size_t unpack_array(struct aa_ext *e, const char *name)
 {
+       void *pos = e->pos;
+
        if (unpack_nameX(e, AA_ARRAY, name)) {
                int size;
                if (!inbounds(e, sizeof(u16)))
-                       return 0;
+                       goto fail;
                size = (int)le16_to_cpu(get_unaligned((__le16 *) e->pos));
                e->pos += sizeof(u16);
                return size;
        }
+
+fail:
+       e->pos = pos;
        return 0;
 }
 
 static size_t unpack_blob(struct aa_ext *e, char **blob, const char *name)
 {
+       void *pos = e->pos;
+
        if (unpack_nameX(e, AA_BLOB, name)) {
                u32 size;
                if (!inbounds(e, sizeof(u32)))
-                       return 0;
+                       goto fail;
                size = le32_to_cpu(get_unaligned((__le32 *) e->pos));
                e->pos += sizeof(u32);
                if (inbounds(e, (size_t) size)) {
@@ -358,6 +385,9 @@ static size_t unpack_blob(struct aa_ext *e, char **blob, 
const char *name)
                        return size;
                }
        }
+
+fail:
+       e->pos = pos;
        return 0;
 }
 
@@ -374,9 +404,10 @@ static int unpack_str(struct aa_ext *e, const char 
**string, const char *name)
                        if (src_str[size - 1] != 0)
                                goto fail;
                        *string = src_str;
+
+                       return size;
                }
        }
-       return size;
 
 fail:
        e->pos = pos;
diff --git a/tools/testing/selftests/cgroup/test_core.c 
b/tools/testing/selftests/cgroup/test_core.c
index be59f9c34ea2..79053a4f4783 100644
--- a/tools/testing/selftests/cgroup/test_core.c
+++ b/tools/testing/selftests/cgroup/test_core.c
@@ -198,7 +198,7 @@ static int 
test_cgcore_no_internal_process_constraint_on_threads(const char *roo
        char *parent = NULL, *child = NULL;
 
        if (cg_read_strstr(root, "cgroup.controllers", "cpu") ||
-           cg_read_strstr(root, "cgroup.subtree_control", "cpu")) {
+           cg_write(root, "cgroup.subtree_control", "+cpu")) {
                ret = KSFT_SKIP;
                goto cleanup;
        }
@@ -376,6 +376,11 @@ int main(int argc, char *argv[])
 
        if (cg_find_unified_root(root, sizeof(root)))
                ksft_exit_skip("cgroup v2 isn't mounted\n");
+
+       if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
+               if (cg_write(root, "cgroup.subtree_control", "+memory"))
+                       ksft_exit_skip("Failed to set memory controller\n");
+
        for (i = 0; i < ARRAY_SIZE(tests); i++) {
                switch (tests[i].fn(root)) {
                case KSFT_PASS:
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c 
b/tools/testing/selftests/cgroup/test_memcontrol.c
index 6f339882a6ca..c19a97dd02d4 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1205,6 +1205,10 @@ int main(int argc, char **argv)
        if (cg_read_strstr(root, "cgroup.controllers", "memory"))
                ksft_exit_skip("memory controller isn't available\n");
 
+       if (cg_read_strstr(root, "cgroup.subtree_control", "memory"))
+               if (cg_write(root, "cgroup.subtree_control", "+memory"))
+                       ksft_exit_skip("Failed to set memory controller\n");
+
        for (i = 0; i < ARRAY_SIZE(tests); i++) {
                switch (tests[i].fn(root)) {
                case KSFT_PASS:
diff --git a/tools/testing/selftests/net/forwarding/router_broadcast.sh 
b/tools/testing/selftests/net/forwarding/router_broadcast.sh
index 9a678ece32b4..4eac0a06f451 100755
--- a/tools/testing/selftests/net/forwarding/router_broadcast.sh
+++ b/tools/testing/selftests/net/forwarding/router_broadcast.sh
@@ -145,16 +145,19 @@ bc_forwarding_disable()
 {
        sysctl_set net.ipv4.conf.all.bc_forwarding 0
        sysctl_set net.ipv4.conf.$rp1.bc_forwarding 0
+       sysctl_set net.ipv4.conf.$rp2.bc_forwarding 0
 }
 
 bc_forwarding_enable()
 {
        sysctl_set net.ipv4.conf.all.bc_forwarding 1
        sysctl_set net.ipv4.conf.$rp1.bc_forwarding 1
+       sysctl_set net.ipv4.conf.$rp2.bc_forwarding 1
 }
 
 bc_forwarding_restore()
 {
+       sysctl_restore net.ipv4.conf.$rp2.bc_forwarding
        sysctl_restore net.ipv4.conf.$rp1.bc_forwarding
        sysctl_restore net.ipv4.conf.all.bc_forwarding
 }
@@ -171,7 +174,7 @@ ping_test_from()
        log_info "ping $dip, expected reply from $from"
        ip vrf exec $(master_name_get $oif) \
                $PING -I $oif $dip -c 10 -i 0.1 -w $PING_TIMEOUT -b 2>&1 \
-               | grep $from &> /dev/null
+               | grep "bytes from $from" > /dev/null
        check_err_fail $fail $?
 }
 
diff --git a/tools/testing/selftests/pidfd/pidfd_test.c 
b/tools/testing/selftests/pidfd/pidfd_test.c
index d59378a93782..20323f55613a 100644
--- a/tools/testing/selftests/pidfd/pidfd_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_test.c
@@ -16,6 +16,10 @@
 
 #include "../kselftest.h"
 
+#ifndef __NR_pidfd_send_signal
+#define __NR_pidfd_send_signal -1
+#endif
+
 static inline int sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
                                        unsigned int flags)
 {
diff --git a/tools/testing/selftests/vm/Makefile 
b/tools/testing/selftests/vm/Makefile
index e13eb6cc8901..05306c58ff9f 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -25,6 +25,8 @@ TEST_GEN_FILES += virtual_address_range
 
 TEST_PROGS := run_vmtests
 
+TEST_FILES := test_vmalloc.sh
+
 KSFT_KHDR_INSTALL := 1
 include ../lib.mk
 
diff --git a/tools/testing/selftests/vm/userfaultfd.c 
b/tools/testing/selftests/vm/userfaultfd.c
index 5d1db824f73a..b3e6497b080c 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -123,7 +123,7 @@ static void usage(void)
        fprintf(stderr, "Supported <test type>: anon, hugetlb, "
                "hugetlb_shared, shmem\n\n");
        fprintf(stderr, "Examples:\n\n");
-       fprintf(stderr, examples);
+       fprintf(stderr, "%s", examples);
        exit(1);
 }
 

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