commit: 426db97f4bffa14dae766599fac3fa4bb1107f22 Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Tue Oct 22 16:59:50 2024 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Tue Oct 22 16:59:50 2024 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=426db97f
Linux patch 5.10.228 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1227_linux-5.10.228.patch | 1368 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1372 insertions(+) diff --git a/0000_README b/0000_README index ecc24c8d..451f50bd 100644 --- a/0000_README +++ b/0000_README @@ -951,6 +951,10 @@ Patch: 1226_linux-5.10.227.patch From: https://www.kernel.org Desc: Linux 5.10.227 +Patch: 1227_linux-5.10.228.patch +From: https://www.kernel.org +Desc: Linux 5.10.228 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1227_linux-5.10.228.patch b/1227_linux-5.10.228.patch new file mode 100644 index 00000000..9e65d7f4 --- /dev/null +++ b/1227_linux-5.10.228.patch @@ -0,0 +1,1368 @@ +diff --git a/Makefile b/Makefile +index 87bfb6c786001e..7dbddd98e44173 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 5 + PATCHLEVEL = 10 +-SUBLEVEL = 227 ++SUBLEVEL = 228 + EXTRAVERSION = + NAME = Dare mighty things + +diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c +index 104101f633b10e..492e50a6ddbfc7 100644 +--- a/arch/arm64/kernel/probes/decode-insn.c ++++ b/arch/arm64/kernel/probes/decode-insn.c +@@ -99,10 +99,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api) + aarch64_insn_is_blr(insn) || + aarch64_insn_is_ret(insn)) { + api->handler = simulate_br_blr_ret; +- } else if (aarch64_insn_is_ldr_lit(insn)) { +- api->handler = simulate_ldr_literal; +- } else if (aarch64_insn_is_ldrsw_lit(insn)) { +- api->handler = simulate_ldrsw_literal; + } else { + /* + * Instruction cannot be stepped out-of-line and we don't +@@ -140,6 +136,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) + probe_opcode_t insn = le32_to_cpu(*addr); + probe_opcode_t *scan_end = NULL; + unsigned long size = 0, offset = 0; ++ struct arch_probe_insn *api = &asi->api; ++ ++ if (aarch64_insn_is_ldr_lit(insn)) { ++ api->handler = simulate_ldr_literal; ++ decoded = INSN_GOOD_NO_SLOT; ++ } else if (aarch64_insn_is_ldrsw_lit(insn)) { ++ api->handler = simulate_ldrsw_literal; ++ decoded = INSN_GOOD_NO_SLOT; ++ } else { ++ decoded = arm_probe_decode_insn(insn, &asi->api); ++ } + + /* + * If there's a symbol defined in front of and near enough to +@@ -157,7 +164,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) + else + scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE; + } +- decoded = arm_probe_decode_insn(insn, &asi->api); + + if (decoded != INSN_REJECTED && scan_end) + if (is_probed_address_atomic(addr - 1, scan_end)) +diff --git a/arch/arm64/kernel/probes/simulate-insn.c b/arch/arm64/kernel/probes/simulate-insn.c +index 25f67ec596353e..7d63423eafc272 100644 +--- a/arch/arm64/kernel/probes/simulate-insn.c ++++ b/arch/arm64/kernel/probes/simulate-insn.c +@@ -170,17 +170,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs) + void __kprobes + simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) + { +- u64 *load_addr; ++ unsigned long load_addr; + int xn = opcode & 0x1f; +- int disp; + +- disp = ldr_displacement(opcode); +- load_addr = (u64 *) (addr + disp); ++ load_addr = addr + ldr_displacement(opcode); + + if (opcode & (1 << 30)) /* x0-x30 */ +- set_x_reg(regs, xn, *load_addr); ++ set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr)); + else /* w0-w30 */ +- set_w_reg(regs, xn, *load_addr); ++ set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr)); + + instruction_pointer_set(regs, instruction_pointer(regs) + 4); + } +@@ -188,14 +186,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) + void __kprobes + simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs) + { +- s32 *load_addr; ++ unsigned long load_addr; + int xn = opcode & 0x1f; +- int disp; + +- disp = ldr_displacement(opcode); +- load_addr = (s32 *) (addr + disp); ++ load_addr = addr + ldr_displacement(opcode); + +- set_x_reg(regs, xn, *load_addr); ++ set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr)); + + instruction_pointer_set(regs, instruction_pointer(regs) + 4); + } +diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c +index ce8569e16f0c45..96b3e31ee0f3d4 100644 +--- a/arch/powerpc/mm/numa.c ++++ b/arch/powerpc/mm/numa.c +@@ -1177,6 +1177,9 @@ void __init mem_topology_setup(void) + { + int cpu; + ++ max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; ++ min_low_pfn = MEMORY_START >> PAGE_SHIFT; ++ + /* + * Linux/mm assumes node 0 to be online at boot. However this is not + * true on PowerPC, where node 0 is similar to any other node, it +@@ -1221,9 +1224,6 @@ void __init initmem_init(void) + { + int nid; + +- max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; +- max_pfn = max_low_pfn; +- + memblock_dump_all(); + + for_each_online_node(nid) { +diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c +index 5b8ec1c447e141..01582fb5ad65fc 100644 +--- a/arch/s390/kvm/diag.c ++++ b/arch/s390/kvm/diag.c +@@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) + vcpu->stat.diagnose_258++; + if (vcpu->run->s.regs.gprs[rx] & 7) + return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); +- rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); ++ rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm)); + if (rc) + return kvm_s390_inject_prog_cond(vcpu, rc); + if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258) +diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S +index 09e99d13fc0b30..f4419afc7147d8 100644 +--- a/arch/x86/entry/entry.S ++++ b/arch/x86/entry/entry.S +@@ -9,6 +9,8 @@ + #include <asm/unwind_hints.h> + #include <asm/segment.h> + #include <asm/cache.h> ++#include <asm/cpufeatures.h> ++#include <asm/nospec-branch.h> + + .pushsection .noinstr.text, "ax" + +@@ -17,6 +19,9 @@ SYM_FUNC_START(entry_ibpb) + movl $PRED_CMD_IBPB, %eax + xorl %edx, %edx + wrmsr ++ ++ /* Make sure IBPB clears return stack preductions too. */ ++ FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_BUG_IBPB_NO_RET + RET + SYM_FUNC_END(entry_ibpb) + /* For KVM */ +diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S +index 97d422f31c77e8..c524aa3f094ab7 100644 +--- a/arch/x86/entry/entry_32.S ++++ b/arch/x86/entry/entry_32.S +@@ -939,6 +939,8 @@ SYM_FUNC_START(entry_SYSENTER_32) + + /* Now ready to switch the cr3 */ + SWITCH_TO_USER_CR3 scratch_reg=%eax ++ /* Clobbers ZF */ ++ CLEAR_CPU_BUFFERS + + /* + * Restore all flags except IF. (We restore IF separately because +@@ -949,7 +951,6 @@ SYM_FUNC_START(entry_SYSENTER_32) + BUG_IF_WRONG_CR3 no_user_check=1 + popfl + popl %eax +- CLEAR_CPU_BUFFERS + + /* + * Return back to the vDSO, which will pop ecx and edx. +@@ -1221,7 +1222,6 @@ SYM_CODE_START(asm_exc_nmi) + + /* Not on SYSENTER stack. */ + call exc_nmi +- CLEAR_CPU_BUFFERS + jmp .Lnmi_return + + .Lnmi_from_sysenter_stack: +@@ -1242,6 +1242,7 @@ SYM_CODE_START(asm_exc_nmi) + + CHECK_AND_APPLY_ESPFIX + RESTORE_ALL_NMI cr3_reg=%edi pop=4 ++ CLEAR_CPU_BUFFERS + jmp .Lirq_return + + #ifdef CONFIG_X86_ESPFIX32 +@@ -1283,6 +1284,7 @@ SYM_CODE_START(asm_exc_nmi) + * 1 - orig_ax + */ + lss (1+5+6)*4(%esp), %esp # back to espfix stack ++ CLEAR_CPU_BUFFERS + jmp .Lirq_return + #endif + SYM_CODE_END(asm_exc_nmi) +diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h +index e1bc2bad8cff83..23f563493e810b 100644 +--- a/arch/x86/include/asm/cpufeatures.h ++++ b/arch/x86/include/asm/cpufeatures.h +@@ -217,7 +217,7 @@ + #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ + #define X86_FEATURE_LS_CFG_SSBD ( 7*32+24) /* "" AMD SSBD implementation via LS_CFG MSR */ + #define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */ +-#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */ ++#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */ + #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */ + #define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */ + #define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */ +@@ -324,6 +324,7 @@ + #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ + #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ + #define X86_FEATURE_BTC_NO (13*32+29) /* "" Not vulnerable to Branch Type Confusion */ ++#define X86_FEATURE_AMD_IBPB_RET (13*32+30) /* "" IBPB clears return address predictor */ + + /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ + #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ +@@ -455,4 +456,6 @@ + #define X86_BUG_SRSO X86_BUG(1*32 + 0) /* AMD SRSO bug */ + #define X86_BUG_DIV0 X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */ + #define X86_BUG_RFDS X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */ ++#define X86_BUG_BHI X86_BUG(1*32 + 3) /* CPU is affected by Branch History Injection */ ++#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */ + #endif /* _ASM_X86_CPUFEATURES_H */ +diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c +index 25eb69f26e0397..3a3878817c200a 100644 +--- a/arch/x86/kernel/apic/apic.c ++++ b/arch/x86/kernel/apic/apic.c +@@ -491,7 +491,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt) + v = apic_read(APIC_LVTT); + v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); + apic_write(APIC_LVTT, v); +- apic_write(APIC_TMICT, 0); ++ ++ /* ++ * Setting APIC_LVT_MASKED (above) should be enough to tell ++ * the hardware that this timer will never fire. But AMD ++ * erratum 411 and some Intel CPU behavior circa 2024 say ++ * otherwise. Time for belt and suspenders programming: mask ++ * the timer _and_ zero the counter registers: ++ */ ++ if (v & APIC_LVT_TIMER_TSCDEADLINE) ++ wrmsrl(MSR_IA32_TSC_DEADLINE, 0); ++ else ++ apic_write(APIC_TMICT, 0); ++ + return 0; + } + +diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c +index d6e14190cf80d5..0b7f6bcbb8ea94 100644 +--- a/arch/x86/kernel/cpu/bugs.c ++++ b/arch/x86/kernel/cpu/bugs.c +@@ -1061,7 +1061,24 @@ static void __init retbleed_select_mitigation(void) + + case RETBLEED_MITIGATION_IBPB: + setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); ++ ++ /* ++ * IBPB on entry already obviates the need for ++ * software-based untraining so clear those in case some ++ * other mitigation like SRSO has selected them. ++ */ ++ setup_clear_cpu_cap(X86_FEATURE_UNRET); ++ setup_clear_cpu_cap(X86_FEATURE_RETHUNK); ++ + mitigate_smt = true; ++ ++ /* ++ * There is no need for RSB filling: entry_ibpb() ensures ++ * all predictions, including the RSB, are invalidated, ++ * regardless of IBPB implementation. ++ */ ++ setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); ++ + break; + + default: +@@ -2453,6 +2470,14 @@ static void __init srso_select_mitigation(void) + if (has_microcode) { + setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB); + srso_mitigation = SRSO_MITIGATION_IBPB; ++ ++ /* ++ * IBPB on entry already obviates the need for ++ * software-based untraining so clear those in case some ++ * other mitigation like Retbleed has selected them. ++ */ ++ setup_clear_cpu_cap(X86_FEATURE_UNRET); ++ setup_clear_cpu_cap(X86_FEATURE_RETHUNK); + } + } else { + pr_err("WARNING: kernel not compiled with CPU_IBPB_ENTRY.\n"); +@@ -2465,6 +2490,13 @@ static void __init srso_select_mitigation(void) + if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) { + setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT); + srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT; ++ ++ /* ++ * There is no need for RSB filling: entry_ibpb() ensures ++ * all predictions, including the RSB, are invalidated, ++ * regardless of IBPB implementation. ++ */ ++ setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT); + } + } else { + pr_err("WARNING: kernel not compiled with CPU_SRSO.\n"); +diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c +index a496a9867f4b13..bdcf1e9375ee2a 100644 +--- a/arch/x86/kernel/cpu/common.c ++++ b/arch/x86/kernel/cpu/common.c +@@ -1335,6 +1335,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c) + if (vulnerable_to_rfds(ia32_cap)) + setup_force_cpu_bug(X86_BUG_RFDS); + ++ if (cpu_has(c, X86_FEATURE_AMD_IBPB) && !cpu_has(c, X86_FEATURE_AMD_IBPB_RET)) ++ setup_force_cpu_bug(X86_BUG_IBPB_NO_RET); ++ + if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN)) + return; + +diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c +index 4ccb9039f59509..32005e229c03c8 100644 +--- a/arch/x86/kernel/cpu/resctrl/core.c ++++ b/arch/x86/kernel/cpu/resctrl/core.c +@@ -251,7 +251,7 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r) + return false; + } + +-static bool __get_mem_config_intel(struct rdt_resource *r) ++static __init bool __get_mem_config_intel(struct rdt_resource *r) + { + union cpuid_0x10_3_eax eax; + union cpuid_0x10_x_edx edx; +@@ -285,7 +285,7 @@ static bool __get_mem_config_intel(struct rdt_resource *r) + return true; + } + +-static bool __rdt_get_mem_config_amd(struct rdt_resource *r) ++static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r) + { + union cpuid_0x10_3_eax eax; + union cpuid_0x10_x_edx edx; +diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c +index e83af7bc759194..26dd3e7bd00d3e 100644 +--- a/block/blk-rq-qos.c ++++ b/block/blk-rq-qos.c +@@ -225,8 +225,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr, + + data->got_token = true; + smp_wmb(); +- list_del_init(&curr->entry); + wake_up_process(data->task); ++ list_del_init_careful(&curr->entry); + return 1; + } + +diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c +index 930dee28271e5d..d34c7758b93de2 100644 +--- a/drivers/bluetooth/btusb.c ++++ b/drivers/bluetooth/btusb.c +@@ -928,10 +928,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) + if (!urb) + return -ENOMEM; + +- /* Use maximum HCI Event size so the USB stack handles +- * ZPL/short-transfer automatically. +- */ +- size = HCI_MAX_EVENT_SIZE; ++ if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && ++ le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) ++ /* Fake CSR devices don't seem to support sort-transter */ ++ size = le16_to_cpu(data->intr_ep->wMaxPacketSize); ++ else ++ /* Use maximum HCI Event size so the USB stack handles ++ * ZPL/short-transfer automatically. ++ */ ++ size = HCI_MAX_EVENT_SIZE; + + buf = kmalloc(size, mem_flags); + if (!buf) { +diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c +index ced022fae19d7d..ca01a813c819c3 100644 +--- a/drivers/gpu/drm/radeon/radeon_encoders.c ++++ b/drivers/gpu/drm/radeon/radeon_encoders.c +@@ -47,7 +47,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder) + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_encoder *clone_encoder; +- uint32_t index_mask = 0; ++ uint32_t index_mask = drm_encoder_mask(encoder); + int count; + + /* DIG routing gets problematic */ +diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +index 0e963fd7db17e7..73cbb94ff456b1 100644 +--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c ++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +@@ -1402,6 +1402,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, + DRM_ERROR("Surface size cannot exceed %dx%d", + dev_priv->texture_max_width, + dev_priv->texture_max_height); ++ ret = -EINVAL; + goto err_out; + } + +diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig +index e39b679126a2a7..6de9ca5579d6e5 100644 +--- a/drivers/iio/adc/Kconfig ++++ b/drivers/iio/adc/Kconfig +@@ -1126,6 +1126,8 @@ config TI_ADS8344 + config TI_ADS8688 + tristate "Texas Instruments ADS8688" + depends on SPI && OF ++ select IIO_BUFFER ++ select IIO_TRIGGERED_BUFFER + help + If you say yes here you get support for Texas Instruments ADS8684 and + and ADS8688 ADC chips +@@ -1136,6 +1138,8 @@ config TI_ADS8688 + config TI_ADS124S08 + tristate "Texas Instruments ADS124S08" + depends on SPI && OF ++ select IIO_BUFFER ++ select IIO_TRIGGERED_BUFFER + help + If you say yes here you get support for Texas Instruments ADS124S08 + and ADS124S06 ADC chips +diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +index ff375790b7e846..ab4d9a335b7c3e 100644 +--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c ++++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +@@ -35,7 +35,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev, + latency = integer * 1000 + fract / 1000; + ret = hid_sensor_set_report_latency(attrb, latency); + if (ret < 0) +- return len; ++ return ret; + + attrb->latency_ms = hid_sensor_get_report_latency(attrb); + +diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig +index dae8d27e772d27..cd11c1737ae166 100644 +--- a/drivers/iio/dac/Kconfig ++++ b/drivers/iio/dac/Kconfig +@@ -191,6 +191,7 @@ config AD5764 + config AD5770R + tristate "Analog Devices AD5770R IDAC driver" + depends on SPI_MASTER ++ select REGMAP_SPI + help + Say yes here to build support for Analog Devices AD5770R Digital to + Analog Converter. +@@ -271,6 +272,7 @@ config LPC18XX_DAC + config LTC1660 + tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver" + depends on SPI ++ select REGMAP_SPI + help + Say yes here to build support for Linear Technology + LTC1660 and LTC1665 Digital to Analog Converters. +@@ -357,6 +359,7 @@ config STM32_DAC + + config STM32_DAC_CORE + tristate ++ select REGMAP_MMIO + + config TI_DAC082S085 + tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" +diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c +index ff776259734adf..ff01fc9fc0b2a1 100644 +--- a/drivers/iio/light/opt3001.c ++++ b/drivers/iio/light/opt3001.c +@@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = { + .val = 20966, + .val2 = 400000, + }, ++ { ++ .val = 41932, ++ .val2 = 800000, ++ }, + { + .val = 83865, + .val2 = 600000, +diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c +index de85c9b30be1e9..f859cdb3094c72 100644 +--- a/drivers/iio/light/veml6030.c ++++ b/drivers/iio/light/veml6030.c +@@ -99,9 +99,8 @@ static const char * const period_values[] = { + static ssize_t in_illuminance_period_available_show(struct device *dev, + struct device_attribute *attr, char *buf) + { ++ struct veml6030_data *data = iio_priv(dev_to_iio_dev(dev)); + int ret, reg, x; +- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev)); +- struct veml6030_data *data = iio_priv(indio_dev); + + ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, ®); + if (ret) { +@@ -780,7 +779,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev) + + /* Cache currently active measurement parameters */ + data->cur_gain = 3; +- data->cur_resolution = 4608; ++ data->cur_resolution = 5376; + data->cur_integration_time = 3; + + return ret; +diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig +index 12672a0e89ede3..e6857223d5a785 100644 +--- a/drivers/iio/proximity/Kconfig ++++ b/drivers/iio/proximity/Kconfig +@@ -49,6 +49,8 @@ config LIDAR_LITE_V2 + config MB1232 + tristate "MaxSonar I2CXL family ultrasonic sensors" + depends on I2C ++ select IIO_BUFFER ++ select IIO_TRIGGERED_BUFFER + help + Say Y to build a driver for the ultrasonic sensors I2CXL of + MaxBotix which have an i2c interface. It can be used to measure +diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c +index a9469751720cc9..d8d3d0af988e3b 100644 +--- a/drivers/irqchip/irq-gic-v3-its.c ++++ b/drivers/irqchip/irq-gic-v3-its.c +@@ -779,6 +779,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, + struct its_cmd_block *cmd, + struct its_cmd_desc *desc) + { ++ struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe); + unsigned long vpt_addr, vconf_addr; + u64 target; + bool alloc; +@@ -788,9 +789,14 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, + its_encode_valid(cmd, desc->its_vmapp_cmd.valid); + + if (!desc->its_vmapp_cmd.valid) { ++ alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); + if (is_v4_1(its)) { +- alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); + its_encode_alloc(cmd, alloc); ++ /* ++ * Unmapping a VPE is self-synchronizing on GICv4.1, ++ * no need to issue a VSYNC. ++ */ ++ vpe = NULL; + } + + goto out; +@@ -803,13 +809,13 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, + its_encode_vpt_addr(cmd, vpt_addr); + its_encode_vpt_size(cmd, LPI_NRBITS - 1); + ++ alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); ++ + if (!is_v4_1(its)) + goto out; + + vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page)); + +- alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); +- + its_encode_alloc(cmd, alloc); + + /* We can only signal PTZ when alloc==1. Why do we have two bits? */ +@@ -820,7 +826,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, + out: + its_fixup_cmd(cmd); + +- return valid_vpe(its, desc->its_vmapp_cmd.vpe); ++ return vpe; + } + + static struct its_vpe *its_build_vmapti_cmd(struct its_node *its, +@@ -3786,6 +3792,13 @@ static int its_vpe_set_affinity(struct irq_data *d, + unsigned long flags; + int from, cpu; + ++ /* ++ * Check if we're racing against a VPE being destroyed, for ++ * which we don't want to allow a VMOVP. ++ */ ++ if (!atomic_read(&vpe->vmapp_count)) ++ return -EINVAL; ++ + /* + * Changing affinity is mega expensive, so let's be as lazy as + * we can and only do it if we really have to. Also, if mapped +@@ -4418,9 +4431,8 @@ static int its_vpe_init(struct its_vpe *vpe) + raw_spin_lock_init(&vpe->vpe_lock); + vpe->vpe_id = vpe_id; + vpe->vpt_page = vpt_page; +- if (gic_rdists->has_rvpeid) +- atomic_set(&vpe->vmapp_count, 0); +- else ++ atomic_set(&vpe->vmapp_count, 0); ++ if (!gic_rdists->has_rvpeid) + vpe->vpe_proxy_event = -1; + + return 0; +diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c +index 70d57ef95fb157..c3a8f6fc05aed4 100644 +--- a/drivers/net/ethernet/cadence/macb_main.c ++++ b/drivers/net/ethernet/cadence/macb_main.c +@@ -742,9 +742,6 @@ static int macb_mdiobus_register(struct macb *bp) + { + struct device_node *child, *np = bp->pdev->dev.of_node; + +- if (of_phy_is_fixed_link(np)) +- return mdiobus_register(bp->mii_bus); +- + /* Only create the PHY from the device tree if at least one PHY is + * described. Otherwise scan the entire MDIO bus. We do this to support + * old device tree that did not follow the best practices and did not +@@ -765,8 +762,19 @@ static int macb_mdiobus_register(struct macb *bp) + + static int macb_mii_init(struct macb *bp) + { ++ struct device_node *child, *np = bp->pdev->dev.of_node; + int err = -ENXIO; + ++ /* With fixed-link, we don't need to register the MDIO bus, ++ * except if we have a child named "mdio" in the device tree. ++ * In that case, some devices may be attached to the MACB's MDIO bus. ++ */ ++ child = of_get_child_by_name(np, "mdio"); ++ if (child) ++ of_node_put(child); ++ else if (of_phy_is_fixed_link(np)) ++ return macb_mii_probe(bp->dev); ++ + /* Enable management port */ + macb_writel(bp, NCR, MACB_BIT(MPE)); + +diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c +index 8400a379186ea0..180376c09cb41b 100644 +--- a/drivers/parport/procfs.c ++++ b/drivers/parport/procfs.c +@@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write, + + for (dev = port->devices; dev ; dev = dev->next) { + if(dev == port->cad) { +- len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name); ++ len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name); + } + } + + if(!len) { +- len += snprintf(buffer, sizeof(buffer), "%s\n", "none"); ++ len += scnprintf(buffer, sizeof(buffer), "%s\n", "none"); + } + + if (len > *lenp) +@@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write, + } + + if ((str = info->class_name) != NULL) +- len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); ++ len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); + + if ((str = info->model) != NULL) +- len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); ++ len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); + + if ((str = info->mfr) != NULL) +- len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); ++ len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); + + if ((str = info->description) != NULL) +- len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); ++ len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); + + if ((str = info->cmdset) != NULL) +- len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); ++ len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); + + if (len > *lenp) + len = *lenp; +@@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, + if (write) /* permissions prevent this anyway */ + return -EACCES; + +- len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); ++ len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); + + if (len > *lenp) + len = *lenp; +@@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write, + if (write) /* permissions prevent this anyway */ + return -EACCES; + +- len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq); ++ len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq); + + if (len > *lenp) + len = *lenp; +@@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write, + if (write) /* permissions prevent this anyway */ + return -EACCES; + +- len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma); ++ len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma); + + if (len > *lenp) + len = *lenp; +@@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write, + #define printmode(x) \ + do { \ + if (port->modes & PARPORT_MODE_##x) \ +- len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ ++ len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ + } while (0) + int f = 0; + printmode(PCSPP); +diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c +index 3c2ed6d013873a..d574c167c9dc81 100644 +--- a/drivers/s390/char/sclp_vt220.c ++++ b/drivers/s390/char/sclp_vt220.c +@@ -325,7 +325,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, + buffer = (void *) ((addr_t) sccb + sccb->header.length); + + if (convertlf) { +- /* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/ ++ /* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/ + for (from=0, to=0; + (from < count) && (to < sclp_vt220_space_left(request)); + from++) { +@@ -334,8 +334,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, + /* Perform conversion */ + if (c == 0x0a) { + if (to + 1 < sclp_vt220_space_left(request)) { +- ((unsigned char *) buffer)[to++] = c; + ((unsigned char *) buffer)[to++] = 0x0d; ++ ((unsigned char *) buffer)[to++] = c; + } else + break; + +diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h +index 5a8443f6ed703e..6304e9b00ecc66 100644 +--- a/drivers/usb/host/xhci.h ++++ b/drivers/usb/host/xhci.h +@@ -1282,7 +1282,7 @@ enum xhci_setup_dev { + /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */ + #define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16)) + #define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16) +-#define SCT_FOR_TRB(p) (((p) << 1) & 0x7) ++#define SCT_FOR_TRB(p) (((p) & 0x7) << 1) + + /* Link TRB specific fields */ + #define TRB_TC (1<<1) +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index c9fade980f367b..a71e072722da98 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -279,6 +279,7 @@ static void option_instat_callback(struct urb *urb); + #define QUECTEL_PRODUCT_EG912Y 0x6001 + #define QUECTEL_PRODUCT_EC200S_CN 0x6002 + #define QUECTEL_PRODUCT_EC200A 0x6005 ++#define QUECTEL_PRODUCT_EG916Q 0x6007 + #define QUECTEL_PRODUCT_EM061K_LWW 0x6008 + #define QUECTEL_PRODUCT_EM061K_LCN 0x6009 + #define QUECTEL_PRODUCT_EC200T 0x6026 +@@ -1270,6 +1271,7 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) }, ++ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) }, + + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, +@@ -1380,10 +1382,16 @@ static const struct usb_device_id option_ids[] = { + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */ + .driver_info = RSVD(0) | NCTRL(3) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff), /* Telit FN920C04 (MBIM) */ ++ .driver_info = NCTRL(4) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */ + .driver_info = RSVD(0) | NCTRL(3) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff), /* Telit FN920C04 (MBIM) */ ++ .driver_info = NCTRL(4) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */ + .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */ ++ .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), +diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c +index 0cdd0fb9f742a0..9bc7d1602c15b7 100644 +--- a/fs/fat/namei_vfat.c ++++ b/fs/fat/namei_vfat.c +@@ -1019,7 +1019,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, + if (corrupt < 0) { + fat_fs_error(new_dir->i_sb, + "%s: Filesystem corrupted (i_pos %lld)", +- __func__, sinfo.i_pos); ++ __func__, new_i_pos); + } + goto out; + } +diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c +index 5c0e280c83eeae..365cae5c3e3519 100644 +--- a/fs/nilfs2/dir.c ++++ b/fs/nilfs2/dir.c +@@ -331,6 +331,8 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx) + * returns the page in which the entry was found, and the entry itself + * (as a parameter - res_dir). Page is returned mapped and unlocked. + * Entry is guaranteed to be valid. ++ * ++ * On failure, returns an error pointer and the caller should ignore res_page. + */ + struct nilfs_dir_entry * + nilfs_find_entry(struct inode *dir, const struct qstr *qstr, +@@ -358,22 +360,24 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, + do { + char *kaddr = nilfs_get_page(dir, n, &page); + +- if (!IS_ERR(kaddr)) { +- de = (struct nilfs_dir_entry *)kaddr; +- kaddr += nilfs_last_byte(dir, n) - reclen; +- while ((char *) de <= kaddr) { +- if (de->rec_len == 0) { +- nilfs_error(dir->i_sb, +- "zero-length directory entry"); +- nilfs_put_page(page); +- goto out; +- } +- if (nilfs_match(namelen, name, de)) +- goto found; +- de = nilfs_next_entry(de); ++ if (IS_ERR(kaddr)) ++ return ERR_CAST(kaddr); ++ ++ de = (struct nilfs_dir_entry *)kaddr; ++ kaddr += nilfs_last_byte(dir, n) - reclen; ++ while ((char *)de <= kaddr) { ++ if (de->rec_len == 0) { ++ nilfs_error(dir->i_sb, ++ "zero-length directory entry"); ++ nilfs_put_page(page); ++ goto out; + } +- nilfs_put_page(page); ++ if (nilfs_match(namelen, name, de)) ++ goto found; ++ de = nilfs_next_entry(de); + } ++ nilfs_put_page(page); ++ + if (++n >= npages) + n = 0; + /* next page is past the blocks we've got */ +@@ -386,7 +390,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, + } + } while (n != start); + out: +- return NULL; ++ return ERR_PTR(-ENOENT); + + found: + *res_page = page; +@@ -431,19 +435,19 @@ struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p) + return NULL; + } + +-ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr) ++int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino) + { +- ino_t res = 0; + struct nilfs_dir_entry *de; + struct page *page; + + de = nilfs_find_entry(dir, qstr, &page); +- if (de) { +- res = le64_to_cpu(de->inode); +- kunmap(page); +- put_page(page); +- } +- return res; ++ if (IS_ERR(de)) ++ return PTR_ERR(de); ++ ++ *ino = le64_to_cpu(de->inode); ++ kunmap(page); ++ put_page(page); ++ return 0; + } + + /* Releases the page */ +diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c +index a6ec7961d4f5af..08c6d985edeb6f 100644 +--- a/fs/nilfs2/namei.c ++++ b/fs/nilfs2/namei.c +@@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) + { + struct inode *inode; + ino_t ino; ++ int res; + + if (dentry->d_name.len > NILFS_NAME_LEN) + return ERR_PTR(-ENAMETOOLONG); + +- ino = nilfs_inode_by_name(dir, &dentry->d_name); +- inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL; ++ res = nilfs_inode_by_name(dir, &dentry->d_name, &ino); ++ if (res) { ++ if (res != -ENOENT) ++ return ERR_PTR(res); ++ inode = NULL; ++ } else { ++ inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino); ++ } ++ + return d_splice_alias(inode, dentry); + } + +@@ -261,10 +269,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) + struct page *page; + int err; + +- err = -ENOENT; + de = nilfs_find_entry(dir, &dentry->d_name, &page); +- if (!de) ++ if (IS_ERR(de)) { ++ err = PTR_ERR(de); + goto out; ++ } + + inode = d_inode(dentry); + err = -EIO; +@@ -358,10 +367,11 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, + if (unlikely(err)) + return err; + +- err = -ENOENT; + old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page); +- if (!old_de) ++ if (IS_ERR(old_de)) { ++ err = PTR_ERR(old_de); + goto out; ++ } + + if (S_ISDIR(old_inode->i_mode)) { + err = -EIO; +@@ -378,10 +388,12 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, + if (dir_de && !nilfs_empty_dir(new_inode)) + goto out_dir; + +- err = -ENOENT; +- new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); +- if (!new_de) ++ new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, ++ &new_page); ++ if (IS_ERR(new_de)) { ++ err = PTR_ERR(new_de); + goto out_dir; ++ } + nilfs_set_link(new_dir, new_de, new_page, old_inode); + nilfs_mark_inode_dirty(new_dir); + new_inode->i_ctime = current_time(new_inode); +@@ -435,14 +447,15 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, + */ + static struct dentry *nilfs_get_parent(struct dentry *child) + { +- unsigned long ino; ++ ino_t ino; ++ int res; + struct inode *inode; + struct qstr dotdot = QSTR_INIT("..", 2); + struct nilfs_root *root; + +- ino = nilfs_inode_by_name(d_inode(child), &dotdot); +- if (!ino) +- return ERR_PTR(-ENOENT); ++ res = nilfs_inode_by_name(d_inode(child), &dotdot, &ino); ++ if (res) ++ return ERR_PTR(res); + + root = NILFS_I(d_inode(child))->i_root; + +diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h +index 3f3971e0292daf..e1b230a5011a04 100644 +--- a/fs/nilfs2/nilfs.h ++++ b/fs/nilfs2/nilfs.h +@@ -233,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags) + + /* dir.c */ + extern int nilfs_add_link(struct dentry *, struct inode *); +-extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *); ++int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino); + extern int nilfs_make_empty(struct inode *, struct inode *); + extern struct nilfs_dir_entry * + nilfs_find_entry(struct inode *, const struct qstr *, struct page **); +diff --git a/include/linux/fsl/enetc_mdio.h b/include/linux/fsl/enetc_mdio.h +index 2d920331486581..b90c4dc50b7dec 100644 +--- a/include/linux/fsl/enetc_mdio.h ++++ b/include/linux/fsl/enetc_mdio.h +@@ -48,7 +48,8 @@ static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum) + static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum, + u16 value) + { return -EINVAL; } +-struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) ++static inline struct enetc_hw *enetc_hw_alloc(struct device *dev, ++ void __iomem *port_regs) + { return ERR_PTR(-EINVAL); } + + #endif +diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h +index 6976b8331b6043..74e11617b86139 100644 +--- a/include/linux/irqchip/arm-gic-v4.h ++++ b/include/linux/irqchip/arm-gic-v4.h +@@ -56,10 +56,12 @@ struct its_vpe { + bool enabled; + bool group; + } sgi_config[16]; +- atomic_t vmapp_count; + }; + }; + ++ /* Track the VPE being mapped */ ++ atomic_t vmapp_count; ++ + /* + * Ensures mutual exclusion between affinity setting of the + * vPE and vLPI operations using vpe->col_idx. +diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c +index 47bc8fe2b94522..da07fba75827c9 100644 +--- a/io_uring/io_uring.c ++++ b/io_uring/io_uring.c +@@ -56,6 +56,7 @@ + #include <linux/mm.h> + #include <linux/mman.h> + #include <linux/percpu.h> ++#include <linux/cpuset.h> + #include <linux/slab.h> + #include <linux/blkdev.h> + #include <linux/bvec.h> +@@ -1579,7 +1580,14 @@ static inline bool io_sqring_full(struct io_ring_ctx *ctx) + { + struct io_rings *r = ctx->rings; + +- return READ_ONCE(r->sq.tail) - ctx->cached_sq_head == ctx->sq_entries; ++ /* ++ * SQPOLL must use the actual sqring head, as using the cached_sq_head ++ * is race prone if the SQPOLL thread has grabbed entries but not yet ++ * committed them to the ring. For !SQPOLL, this doesn't matter, but ++ * since this helper is just used for SQPOLL sqring waits (or POLLOUT), ++ * just read the actual sqring head unconditionally. ++ */ ++ return READ_ONCE(r->sq.tail) - READ_ONCE(r->sq.head) == ctx->sq_entries; + } + + static inline unsigned int __io_cqring_events(struct io_ring_ctx *ctx) +@@ -8571,11 +8579,22 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx, + return 0; + + if (p->flags & IORING_SETUP_SQ_AFF) { ++ cpumask_var_t allowed_mask; + int cpu = p->sq_thread_cpu; + + ret = -EINVAL; + if (cpu >= nr_cpu_ids || !cpu_online(cpu)) + goto err_sqpoll; ++ ret = -ENOMEM; ++ if (!alloc_cpumask_var(&allowed_mask, GFP_KERNEL)) ++ goto err_sqpoll; ++ ret = -EINVAL; ++ cpuset_cpus_allowed(current, allowed_mask); ++ if (!cpumask_test_cpu(cpu, allowed_mask)) { ++ free_cpumask_var(allowed_mask); ++ goto err_sqpoll; ++ } ++ free_cpumask_var(allowed_mask); + sqd->sq_cpu = cpu; + } else { + sqd->sq_cpu = -1; +diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c +index 77c0c2370b6d1d..8127673bfc45e6 100644 +--- a/kernel/time/posix-clock.c ++++ b/kernel/time/posix-clock.c +@@ -299,6 +299,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts) + goto out; + } + ++ if (!timespec64_valid_strict(ts)) ++ return -EINVAL; ++ + if (cd.clk->ops.clock_settime) + err = cd.clk->ops.clock_settime(cd.clk, ts); + else +diff --git a/mm/swapfile.c b/mm/swapfile.c +index 4ca1d04d8732f8..914f599fb49fb4 100644 +--- a/mm/swapfile.c ++++ b/mm/swapfile.c +@@ -2134,7 +2134,7 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type, + + mmap_read_lock(mm); + for (vma = mm->mmap; vma; vma = vma->vm_next) { +- if (vma->anon_vma) { ++ if (vma->anon_vma && !is_vm_hugetlb_page(vma)) { + ret = unuse_vma(vma, type, frontswap, + fs_pages_to_unuse); + if (ret) +diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c +index 14a917e70f3ee8..0b8400bda73d63 100644 +--- a/net/bluetooth/af_bluetooth.c ++++ b/net/bluetooth/af_bluetooth.c +@@ -779,6 +779,7 @@ static int __init bt_init(void) + bt_sysfs_cleanup(); + cleanup_led: + bt_leds_cleanup(); ++ debugfs_remove_recursive(bt_debugfs); + return err; + } + +diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c +index 68f1633c477aed..165be30e42c0c4 100644 +--- a/net/ipv4/tcp_output.c ++++ b/net/ipv4/tcp_output.c +@@ -2305,7 +2305,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len) + if (len <= skb->len) + break; + +- if (unlikely(TCP_SKB_CB(skb)->eor) || tcp_has_tx_tstamp(skb)) ++ if (tcp_has_tx_tstamp(skb) || !tcp_skb_can_collapse(skb, next)) + return false; + + len -= skb->len; +diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c +index 0c3da7771b48b1..c8d2fe8fbc0a34 100644 +--- a/net/mac80211/cfg.c ++++ b/net/mac80211/cfg.c +@@ -509,6 +509,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, + sta->cipher_scheme = cs; + + err = ieee80211_key_link(key, sdata, sta); ++ /* KRACK protection, shouldn't happen but just silently accept key */ ++ if (err == -EALREADY) ++ err = 0; + + out_unlock: + mutex_unlock(&local->sta_mtx); +diff --git a/net/mac80211/key.c b/net/mac80211/key.c +index 6a72c33679ba90..6b089594a9f3fe 100644 +--- a/net/mac80211/key.c ++++ b/net/mac80211/key.c +@@ -843,7 +843,7 @@ int ieee80211_key_link(struct ieee80211_key *key, + */ + if (ieee80211_key_identical(sdata, old_key, key)) { + ieee80211_key_free_unused(key); +- ret = 0; ++ ret = -EALREADY; + goto out; + } + +diff --git a/net/mptcp/mib.c b/net/mptcp/mib.c +index f4034e000f3ef6..44d083958d8e59 100644 +--- a/net/mptcp/mib.c ++++ b/net/mptcp/mib.c +@@ -23,6 +23,8 @@ static const struct snmp_mib mptcp_snmp_list[] = { + SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX), + SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC), + SNMP_MIB_ITEM("DSSNotMatching", MPTCP_MIB_DSSNOMATCH), ++ SNMP_MIB_ITEM("DSSCorruptionFallback", MPTCP_MIB_DSSCORRUPTIONFALLBACK), ++ SNMP_MIB_ITEM("DSSCorruptionReset", MPTCP_MIB_DSSCORRUPTIONRESET), + SNMP_MIB_ITEM("InfiniteMapRx", MPTCP_MIB_INFINITEMAPRX), + SNMP_MIB_ITEM("OFOQueueTail", MPTCP_MIB_OFOQUEUETAIL), + SNMP_MIB_ITEM("OFOQueue", MPTCP_MIB_OFOQUEUE), +diff --git a/net/mptcp/mib.h b/net/mptcp/mib.h +index a9f43ff00b3c8d..0e17e1cebdbcfd 100644 +--- a/net/mptcp/mib.h ++++ b/net/mptcp/mib.h +@@ -16,6 +16,8 @@ enum linux_mptcp_mib_field { + MPTCP_MIB_JOINACKRX, /* Received an ACK + MP_JOIN */ + MPTCP_MIB_JOINACKMAC, /* HMAC was wrong on ACK + MP_JOIN */ + MPTCP_MIB_DSSNOMATCH, /* Received a new mapping that did not match the previous one */ ++ MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */ ++ MPTCP_MIB_DSSCORRUPTIONRESET, /* DSS corruption detected, MPJ subflow reset */ + MPTCP_MIB_INFINITEMAPRX, /* Received an infinite mapping */ + MPTCP_MIB_OFOQUEUETAIL, /* Segments inserted into OoO queue tail */ + MPTCP_MIB_OFOQUEUE, /* Segments inserted into OoO queue */ +diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c +index 590e2c9bb67e2f..8558309a2d3fd3 100644 +--- a/net/mptcp/protocol.c ++++ b/net/mptcp/protocol.c +@@ -457,6 +457,18 @@ static void mptcp_check_data_fin(struct sock *sk) + } + } + ++static void mptcp_dss_corruption(struct mptcp_sock *msk, struct sock *ssk) ++{ ++ if (READ_ONCE(msk->allow_infinite_fallback)) { ++ MPTCP_INC_STATS(sock_net(ssk), ++ MPTCP_MIB_DSSCORRUPTIONFALLBACK); ++ mptcp_do_fallback(ssk); ++ } else { ++ MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DSSCORRUPTIONRESET); ++ mptcp_subflow_reset(ssk); ++ } ++} ++ + static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, + struct sock *ssk, + unsigned int *bytes) +@@ -519,10 +531,12 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, + moved += len; + seq += len; + +- if (WARN_ON_ONCE(map_remaining < len)) +- break; ++ if (unlikely(map_remaining < len)) ++ mptcp_dss_corruption(msk, ssk); + } else { +- WARN_ON_ONCE(!fin); ++ if (unlikely(!fin)) ++ mptcp_dss_corruption(msk, ssk); ++ + sk_eat_skb(ssk, skb); + done = true; + } +@@ -1810,9 +1824,11 @@ static void mptcp_worker(struct work_struct *work) + if (!mptcp_ext_cache_refill(msk)) + break; + } +- if (copied) ++ if (copied) { + tcp_push(ssk, msg.msg_flags, mss_now, tcp_sk(ssk)->nonagle, + size_goal); ++ WRITE_ONCE(msk->allow_infinite_fallback, false); ++ } + + dfrag->data_seq = orig_write_seq; + dfrag->offset = orig_offset; +@@ -1845,6 +1861,7 @@ static int __mptcp_init_sock(struct sock *sk) + + msk->first = NULL; + inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss; ++ WRITE_ONCE(msk->allow_infinite_fallback, true); + + mptcp_pm_data_init(msk); + +@@ -2543,6 +2560,7 @@ bool mptcp_finish_join(struct sock *sk) + if (parent_sock && !sk->sk_socket) + mptcp_sock_graft(sk, parent_sock); + subflow->map_seq = READ_ONCE(msk->ack_seq); ++ WRITE_ONCE(msk->allow_infinite_fallback, false); + return true; + } + +diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h +index 44944e8f73c50a..2330140d6b1ccb 100644 +--- a/net/mptcp/protocol.h ++++ b/net/mptcp/protocol.h +@@ -213,6 +213,7 @@ struct mptcp_sock { + bool rcv_data_fin; + bool snd_data_fin_enable; + bool use_64bit_ack; /* Set when we received a 64-bit DSN */ ++ bool allow_infinite_fallback; + spinlock_t join_list_lock; + struct work_struct work; + struct sk_buff *ooo_last_skb; +diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c +index 843c61ebd42115..c3434069fb0a53 100644 +--- a/net/mptcp/subflow.c ++++ b/net/mptcp/subflow.c +@@ -702,7 +702,7 @@ static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb) + unsigned int skb_consumed; + + skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq; +- if (WARN_ON_ONCE(skb_consumed >= skb->len)) ++ if (unlikely(skb_consumed >= skb->len)) + return true; + + return skb->len - skb_consumed <= subflow->map_data_len - +@@ -1179,6 +1179,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc, + list_add_tail(&subflow->node, &msk->join_list); + spin_unlock_bh(&msk->join_list_lock); + ++ WRITE_ONCE(msk->allow_infinite_fallback, false); + return err; + + failed: +diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c +index 4046ce3db4b503..51d97de74cad13 100644 +--- a/sound/pci/hda/patch_conexant.c ++++ b/sound/pci/hda/patch_conexant.c +@@ -234,6 +234,7 @@ enum { + CXT_FIXUP_HP_SPECTRE, + CXT_FIXUP_HP_GATE_MIC, + CXT_FIXUP_MUTE_LED_GPIO, ++ CXT_FIXUP_HP_ELITEONE_OUT_DIS, + CXT_FIXUP_HP_ZBOOK_MUTE_LED, + CXT_FIXUP_HEADSET_MIC, + CXT_FIXUP_HP_MIC_NO_PRESENCE, +@@ -251,6 +252,19 @@ static void cxt_fixup_stereo_dmic(struct hda_codec *codec, + spec->gen.inv_dmic_split = 1; + } + ++/* fix widget control pin settings */ ++static void cxt_fixup_update_pinctl(struct hda_codec *codec, ++ const struct hda_fixup *fix, int action) ++{ ++ if (action == HDA_FIXUP_ACT_PROBE) { ++ /* Unset OUT_EN for this Node pin, leaving only HP_EN. ++ * This is the value stored in the codec register after ++ * the correct initialization of the previous windows boot. ++ */ ++ snd_hda_set_pin_ctl_cache(codec, 0x1d, AC_PINCTL_HP_EN); ++ } ++} ++ + static void cxt5066_increase_mic_boost(struct hda_codec *codec, + const struct hda_fixup *fix, int action) + { +@@ -902,6 +916,10 @@ static const struct hda_fixup cxt_fixups[] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_mute_led_gpio, + }, ++ [CXT_FIXUP_HP_ELITEONE_OUT_DIS] = { ++ .type = HDA_FIXUP_FUNC, ++ .v.func = cxt_fixup_update_pinctl, ++ }, + [CXT_FIXUP_HP_ZBOOK_MUTE_LED] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_hp_zbook_mute_led, +@@ -992,6 +1010,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { + SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK), + SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK), + SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK), ++ SND_PCI_QUIRK(0x103c, 0x83e5, "HP EliteOne 1000 G2", CXT_FIXUP_HP_ELITEONE_OUT_DIS), + SND_PCI_QUIRK(0x103c, 0x8402, "HP ProBook 645 G4", CXT_FIXUP_MUTE_LED_GPIO), + SND_PCI_QUIRK(0x103c, 0x8427, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), + SND_PCI_QUIRK(0x103c, 0x844f, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED), +diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c +index b7638c3c9eb7d8..ef66abe687d78f 100644 +--- a/virt/kvm/kvm_main.c ++++ b/virt/kvm/kvm_main.c +@@ -3090,12 +3090,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) + { + struct kvm *kvm = me->kvm; + struct kvm_vcpu *vcpu; +- int last_boosted_vcpu = me->kvm->last_boosted_vcpu; ++ int last_boosted_vcpu; + int yielded = 0; + int try = 3; + int pass; + int i; + ++ last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); + kvm_vcpu_set_in_spin_loop(me, true); + /* + * We boost the priority of a VCPU that is runnable but not +@@ -3126,7 +3127,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) + + yielded = kvm_vcpu_yield_to(vcpu); + if (yielded > 0) { +- kvm->last_boosted_vcpu = i; ++ WRITE_ONCE(kvm->last_boosted_vcpu, i); + break; + } else if (yielded < 0) { + try--;
