diff --git a/Documentation/sphinx/kernel_abi.py b/Documentation/sphinx/kernel_abi.py index 5911bd0d7965..51a92b371872 100644 --- a/Documentation/sphinx/kernel_abi.py +++ b/Documentation/sphinx/kernel_abi.py @@ -42,9 +42,11 @@ import kernellog from docutils import nodes, statemachine from docutils.statemachine import ViewList from docutils.parsers.rst import directives, Directive -from docutils.utils.error_reporting import ErrorString from sphinx.util.docutils import switch_source_input

+def ErrorString(exc): # Shamelessly stolen from docutils + return f'{exc.__class__.__name}: {exc}' + __version__ = '1.0'

def setup(app): diff --git a/Documentation/sphinx/kernel_feat.py b/Documentation/sphinx/kernel_feat.py index 03ace5f01b5c..2db63dd20399 100644 --- a/Documentation/sphinx/kernel_feat.py +++ b/Documentation/sphinx/kernel_feat.py @@ -40,9 +40,11 @@ import sys from docutils import nodes, statemachine from docutils.statemachine import ViewList from docutils.parsers.rst import directives, Directive -from docutils.utils.error_reporting import ErrorString from sphinx.util.docutils import switch_source_input

+def ErrorString(exc): # Shamelessly stolen from docutils + return f'{exc.__class__.__name}: {exc}' + __version__ = '1.0'

def setup(app): diff --git a/Documentation/sphinx/kernel_include.py b/Documentation/sphinx/kernel_include.py index 638762442336..ccbddcc4af79 100755 --- a/Documentation/sphinx/kernel_include.py +++ b/Documentation/sphinx/kernel_include.py @@ -34,13 +34,15 @@ u""" import os.path

from docutils import io, nodes, statemachine -from docutils.utils.error_reporting import SafeString, ErrorString from docutils.parsers.rst import directives from docutils.parsers.rst.directives.body import CodeBlock, NumberLines from docutils.parsers.rst.directives.misc import Include

__version__ = '1.0'

+def ErrorString(exc): # Shamelessly stolen from docutils + return f'{exc.__class__.__name}: {exc}' + # ============================================================================== def setup(app): # ============================================================================== @@ -111,7 +113,7 @@ class KernelInclude(Include): raise self.severe('Problems with "%s" directive path:\n' 'Cannot encode input file path "%s" ' '(wrong locale?).' % - (self.name, SafeString(path))) + (self.name, path)) except IOError as error: raise self.severe('Problems with "%s" directive path:\n%s.' % (self.name, ErrorString(error))) diff --git a/Documentation/sphinx/maintainers_include.py b/Documentation/sphinx/maintainers_include.py index dcad0fff4723..496489d634c4 100755 --- a/Documentation/sphinx/maintainers_include.py +++ b/Documentation/sphinx/maintainers_include.py @@ -22,10 +22,12 @@ import re import os.path

from docutils import statemachine -from docutils.utils.error_reporting import ErrorString from docutils.parsers.rst import Directive from docutils.parsers.rst.directives.misc import Include

+def ErrorString(exc): # Shamelessly stolen from docutils + return f'{exc.__class__.__name}: {exc}' + __version__ = '1.0'

def setup(app): diff --git a/Makefile b/Makefile index a1e3d73c5b74..9ded15dbcf3d 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 6 PATCHLEVEL = 12 -SUBLEVEL = 56 +SUBLEVEL = 57 EXTRAVERSION = NAME = Baby Opossum Posse

diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c index e9dad60b147f..1ebb05890499 100644 --- a/arch/alpha/kernel/asm-offsets.c +++ b/arch/alpha/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * This code generates raw asm output which is post-processed to extract * and format the required data. */ +#define COMPILE_OFFSETS

#include <linux/types.h> #include <linux/stddef.h> diff --git a/arch/arc/kernel/asm-offsets.c b/arch/arc/kernel/asm-offsets.c index f77deb799175..2978da85fcb6 100644 --- a/arch/arc/kernel/asm-offsets.c +++ b/arch/arc/kernel/asm-offsets.c @@ -2,6 +2,7 @@ /* * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) */ +#define COMPILE_OFFSETS

#include <linux/sched.h> #include <linux/mm.h> diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 4853875740d0..d9f129c584b1 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -7,6 +7,8 @@ * This code generates raw asm output which is post-processed to extract * and format the required data. */ +#define COMPILE_OFFSETS + #include <linux/compiler.h> #include <linux/sched.h> #include <linux/mm.h> diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c index b21dd24b8efc..020e01181a0f 100644 --- a/arch/arm64/kernel/asm-offsets.c +++ b/arch/arm64/kernel/asm-offsets.c @@ -6,6 +6,7 @@ * 2001-2002 Keith Owens * Copyright (C) 2012 ARM Ltd. */ +#define COMPILE_OFFSETS

#include <linux/arm_sdei.h> #include <linux/sched.h> diff --git a/arch/csky/kernel/asm-offsets.c b/arch/csky/kernel/asm-offsets.c index d1e903579473..5525c8e7e1d9 100644 --- a/arch/csky/kernel/asm-offsets.c +++ b/arch/csky/kernel/asm-offsets.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. +#define COMPILE_OFFSETS

#include <linux/sched.h> #include <linux/kernel_stat.h> diff --git a/arch/hexagon/kernel/asm-offsets.c b/arch/hexagon/kernel/asm-offsets.c index 03a7063f9456..50eea9fa6f13 100644 --- a/arch/hexagon/kernel/asm-offsets.c +++ b/arch/hexagon/kernel/asm-offsets.c @@ -8,6 +8,7 @@ * * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved. */ +#define COMPILE_OFFSETS

#include <linux/compat.h> #include <linux/types.h> diff --git a/arch/loongarch/kernel/asm-offsets.c b/arch/loongarch/kernel/asm-offsets.c index bee9f7a3108f..d20d71d4bcae 100644 --- a/arch/loongarch/kernel/asm-offsets.c +++ b/arch/loongarch/kernel/asm-offsets.c @@ -4,6 +4,8 @@ * * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ +#define COMPILE_OFFSETS + #include <linux/types.h> #include <linux/sched.h> #include <linux/mm.h> diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index 906d73230537..67a1990f9d74 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -9,6 +9,7 @@ * #defines from the assembly-language output. */

+#define COMPILE_OFFSETS #define ASM_OFFSETS_C

#include <linux/stddef.h> diff --git a/arch/microblaze/kernel/asm-offsets.c b/arch/microblaze/kernel/asm-offsets.c index 104c3ac5f30c..b4b67d58e7f6 100644 --- a/arch/microblaze/kernel/asm-offsets.c +++ b/arch/microblaze/kernel/asm-offsets.c @@ -7,6 +7,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ +#define COMPILE_OFFSETS

#include <linux/init.h> #include <linux/stddef.h> diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index cb1045ebab06..22c99a2cd570 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -9,6 +9,8 @@ * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. */ +#define COMPILE_OFFSETS + #include <linux/compat.h> #include <linux/types.h> #include <linux/sched.h> diff --git a/arch/nios2/kernel/asm-offsets.c b/arch/nios2/kernel/asm-offsets.c index e3d9b7b6fb48..88190b503ce5 100644 --- a/arch/nios2/kernel/asm-offsets.c +++ b/arch/nios2/kernel/asm-offsets.c @@ -2,6 +2,7 @@ /* * Copyright (C) 2011 Tobias Klauser tklauser@distanz.ch */ +#define COMPILE_OFFSETS

#include <linux/stddef.h> #include <linux/sched.h> diff --git a/arch/openrisc/kernel/asm-offsets.c b/arch/openrisc/kernel/asm-offsets.c index 710651d5aaae..3cc826f2216b 100644 --- a/arch/openrisc/kernel/asm-offsets.c +++ b/arch/openrisc/kernel/asm-offsets.c @@ -18,6 +18,7 @@ * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ +#define COMPILE_OFFSETS

#include <linux/signal.h> #include <linux/sched.h> diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index 757816a7bd4b..9abfe65492c6 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -13,6 +13,7 @@ * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> * Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org> */ +#define COMPILE_OFFSETS

#include <linux/types.h> #include <linux/sched.h> diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 131a8cc10dbe..cbeeda45c00a 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -8,6 +8,7 @@ * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ +#define COMPILE_OFFSETS

#include <linux/compat.h> #include <linux/signal.h> diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c index c2f3129a8e5c..05c6152a6531 100644 --- a/arch/riscv/kernel/asm-offsets.c +++ b/arch/riscv/kernel/asm-offsets.c @@ -3,6 +3,7 @@ * Copyright (C) 2012 Regents of the University of California * Copyright (C) 2017 SiFive */ +#define COMPILE_OFFSETS

#include <linux/kbuild.h> #include <linux/mm.h> diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 5529248d84fb..3cfc4939033c 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -4,6 +4,7 @@ * This code generates raw asm output which is post-processed to extract * and format the required data. */ +#define COMPILE_OFFSETS

#define ASM_OFFSETS_C

diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c index a0322e832845..429b6a763146 100644 --- a/arch/sh/kernel/asm-offsets.c +++ b/arch/sh/kernel/asm-offsets.c @@ -8,6 +8,7 @@ * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ +#define COMPILE_OFFSETS

#include <linux/stddef.h> #include <linux/types.h> diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c index 3d9b9855dce9..6e660bde48dd 100644 --- a/arch/sparc/kernel/asm-offsets.c +++ b/arch/sparc/kernel/asm-offsets.c @@ -10,6 +10,7 @@ * * On sparc, thread_info data is static and TI_XXX offsets are computed by hand. */ +#define COMPILE_OFFSETS

#include <linux/sched.h> #include <linux/mm_types.h> diff --git a/arch/um/kernel/asm-offsets.c b/arch/um/kernel/asm-offsets.c index 1fb12235ab9c..a69873aa697f 100644 --- a/arch/um/kernel/asm-offsets.c +++ b/arch/um/kernel/asm-offsets.c @@ -1 +1,3 @@ +#define COMPILE_OFFSETS + #include <sysdep/kernel-offsets.h> diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 36d8404f406d..acc0774519ce 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2812,8 +2812,8 @@ static void intel_pmu_enable_fixed(struct perf_event *event) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct hw_perf_event *hwc = &event->hw; - u64 mask, bits = 0; int idx = hwc->idx; + u64 bits = 0;

if (is_topdown_idx(idx)) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); @@ -2849,14 +2849,10 @@ static void intel_pmu_enable_fixed(struct perf_event *event)

idx -= INTEL_PMC_IDX_FIXED; bits = intel_fixed_bits_by_idx(idx, bits); - mask = intel_fixed_bits_by_idx(idx, INTEL_FIXED_BITS_MASK); - - if (x86_pmu.intel_cap.pebs_baseline && event->attr.precise_ip) { + if (x86_pmu.intel_cap.pebs_baseline && event->attr.precise_ip) bits |= intel_fixed_bits_by_idx(idx, ICL_FIXED_0_ADAPTIVE); - mask |= intel_fixed_bits_by_idx(idx, ICL_FIXED_0_ADAPTIVE); - }

- cpuc->fixed_ctrl_val &= ~mask; + cpuc->fixed_ctrl_val &= ~intel_fixed_bits_by_idx(idx, INTEL_FIXED_BITS_MASK); cpuc->fixed_ctrl_val |= bits; }

diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index aa351c4a20ee..c69b6498f6ea 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -35,7 +35,6 @@ #define ARCH_PERFMON_EVENTSEL_EQ (1ULL << 36) #define ARCH_PERFMON_EVENTSEL_UMASK2 (0xFFULL << 40)

-#define INTEL_FIXED_BITS_MASK 0xFULL #define INTEL_FIXED_BITS_STRIDE 4 #define INTEL_FIXED_0_KERNEL (1ULL << 0) #define INTEL_FIXED_0_USER (1ULL << 1) @@ -47,6 +46,11 @@ #define ICL_EVENTSEL_ADAPTIVE (1ULL << 34) #define ICL_FIXED_0_ADAPTIVE (1ULL << 32)

+#define INTEL_FIXED_BITS_MASK \ + (INTEL_FIXED_0_KERNEL | INTEL_FIXED_0_USER | \ + INTEL_FIXED_0_ANYTHREAD | INTEL_FIXED_0_ENABLE_PMI | \ + ICL_FIXED_0_ADAPTIVE) + #define intel_fixed_bits_by_idx(_idx, _bits) \ ((_bits) << ((_idx) * INTEL_FIXED_BITS_STRIDE))

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index f3cb559a598d..939401b5d2ef 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -1186,8 +1186,10 @@ static void __init retbleed_select_mitigation(void) retbleed_mitigation = RETBLEED_MITIGATION_EIBRS; break; default: - if (retbleed_mitigation != RETBLEED_MITIGATION_STUFF) + if (retbleed_mitigation != RETBLEED_MITIGATION_STUFF) { pr_err(RETBLEED_INTEL_MSG); + retbleed_mitigation = RETBLEED_MITIGATION_NONE; + } } }

@@ -1596,7 +1598,7 @@ spectre_v2_user_select_mitigation(void) static const char * const spectre_v2_strings[] = { [SPECTRE_V2_NONE] = "Vulnerable", [SPECTRE_V2_RETPOLINE] = "Mitigation: Retpolines", - [SPECTRE_V2_LFENCE] = "Mitigation: LFENCE", + [SPECTRE_V2_LFENCE] = "Vulnerable: LFENCE", [SPECTRE_V2_EIBRS] = "Mitigation: Enhanced / Automatic IBRS", [SPECTRE_V2_EIBRS_LFENCE] = "Mitigation: Enhanced / Automatic IBRS + LFENCE", [SPECTRE_V2_EIBRS_RETPOLINE] = "Mitigation: Enhanced / Automatic IBRS + Retpolines", @@ -3249,9 +3251,6 @@ static const char *spectre_bhi_state(void)

static ssize_t spectre_v2_show_state(char *buf) { - if (spectre_v2_enabled == SPECTRE_V2_LFENCE) - return sysfs_emit(buf, "Vulnerable: LFENCE\n"); - if (spectre_v2_enabled == SPECTRE_V2_EIBRS && unprivileged_ebpf_enabled()) return sysfs_emit(buf, "Vulnerable: eIBRS with unprivileged eBPF\n");

diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index ad89d0bd6005..103604c4b33b 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -13,7 +13,7 @@ #define MSR_IA32_MISC_ENABLE_PMU_RO_MASK (MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL | \ MSR_IA32_MISC_ENABLE_BTS_UNAVAIL)

-/* retrieve the 4 bits for EN and PMI out of IA32_FIXED_CTR_CTRL */ +/* retrieve a fixed counter bits out of IA32_FIXED_CTR_CTRL */ #define fixed_ctrl_field(ctrl_reg, idx) \ (((ctrl_reg) >> ((idx) * INTEL_FIXED_BITS_STRIDE)) & INTEL_FIXED_BITS_MASK)

diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index da38de20ae59..cfbced95e944 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -11,6 +11,7 @@ * * Chris Zankel chris@zankel.net */ +#define COMPILE_OFFSETS

#include <asm/processor.h> #include <asm/coprocessor.h> diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index 0e127a9109e7..2e5c30f7ba0f 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -350,7 +350,7 @@ static long udmabuf_create(struct miscdevice *device, return -ENOMEM;

INIT_LIST_HEAD(&ubuf->unpin_list); - pglimit = (size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; + pglimit = ((u64)size_limit_mb * 1024 * 1024) >> PAGE_SHIFT; for (i = 0; i < head->count; i++) { if (!PAGE_ALIGNED(list[i].offset)) goto err; diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 4200aec04831..70dc0ee1cc08 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -305,6 +305,14 @@ DEVICE_CHANNEL(ch10_dimm_label, S_IRUGO | S_IWUSR, channel_dimm_label_show, channel_dimm_label_store, 10); DEVICE_CHANNEL(ch11_dimm_label, S_IRUGO | S_IWUSR, channel_dimm_label_show, channel_dimm_label_store, 11); +DEVICE_CHANNEL(ch12_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 12); +DEVICE_CHANNEL(ch13_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 13); +DEVICE_CHANNEL(ch14_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 14); +DEVICE_CHANNEL(ch15_dimm_label, S_IRUGO | S_IWUSR, + channel_dimm_label_show, channel_dimm_label_store, 15);

/* Total possible dynamic DIMM Label attribute file table */ static struct attribute *dynamic_csrow_dimm_attr[] = { @@ -320,6 +328,10 @@ static struct attribute *dynamic_csrow_dimm_attr[] = { &dev_attr_legacy_ch9_dimm_label.attr.attr, &dev_attr_legacy_ch10_dimm_label.attr.attr, &dev_attr_legacy_ch11_dimm_label.attr.attr, + &dev_attr_legacy_ch12_dimm_label.attr.attr, + &dev_attr_legacy_ch13_dimm_label.attr.attr, + &dev_attr_legacy_ch14_dimm_label.attr.attr, + &dev_attr_legacy_ch15_dimm_label.attr.attr, NULL };

@@ -348,6 +360,14 @@ DEVICE_CHANNEL(ch10_ce_count, S_IRUGO, channel_ce_count_show, NULL, 10); DEVICE_CHANNEL(ch11_ce_count, S_IRUGO, channel_ce_count_show, NULL, 11); +DEVICE_CHANNEL(ch12_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 12); +DEVICE_CHANNEL(ch13_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 13); +DEVICE_CHANNEL(ch14_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 14); +DEVICE_CHANNEL(ch15_ce_count, S_IRUGO, + channel_ce_count_show, NULL, 15);

/* Total possible dynamic ce_count attribute file table */ static struct attribute *dynamic_csrow_ce_count_attr[] = { @@ -363,6 +383,10 @@ static struct attribute *dynamic_csrow_ce_count_attr[] = { &dev_attr_legacy_ch9_ce_count.attr.attr, &dev_attr_legacy_ch10_ce_count.attr.attr, &dev_attr_legacy_ch11_ce_count.attr.attr, + &dev_attr_legacy_ch12_ce_count.attr.attr, + &dev_attr_legacy_ch13_ce_count.attr.attr, + &dev_attr_legacy_ch14_ce_count.attr.attr, + &dev_attr_legacy_ch15_ce_count.attr.attr, NULL };

diff --git a/drivers/gpio/gpio-idio-16.c b/drivers/gpio/gpio-idio-16.c index 2c9512589297..f7e557c2c9cd 100644 --- a/drivers/gpio/gpio-idio-16.c +++ b/drivers/gpio/gpio-idio-16.c @@ -3,6 +3,7 @@ * GPIO library for the ACCES IDIO-16 family * Copyright (C) 2022 William Breathitt Gray */ +#include <linux/bitmap.h> #include <linux/bits.h> #include <linux/device.h> #include <linux/err.h> @@ -106,6 +107,7 @@ int devm_idio_16_regmap_register(struct device *const dev, struct idio_16_data *data; struct regmap_irq_chip *chip; struct regmap_irq_chip_data *chip_data; + DECLARE_BITMAP(fixed_direction_output, IDIO_16_NGPIO);

if (!config->parent) return -EINVAL; @@ -163,6 +165,9 @@ int devm_idio_16_regmap_register(struct device *const dev, gpio_config.irq_domain = regmap_irq_get_domain(chip_data); gpio_config.reg_mask_xlate = idio_16_reg_mask_xlate;

+ bitmap_from_u64(fixed_direction_output, GENMASK_U64(15, 0)); + gpio_config.fixed_direction_output = fixed_direction_output; + return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(dev, &gpio_config)); } EXPORT_SYMBOL_GPL(devm_idio_16_regmap_register); diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c index 71684dee2ca5..fed9af5ff9ec 100644 --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -29,6 +29,12 @@ struct gpio_regmap { unsigned int reg_clr_base; unsigned int reg_dir_in_base; unsigned int reg_dir_out_base; + unsigned long *fixed_direction_output; + +#ifdef CONFIG_REGMAP_IRQ + int regmap_irq_line; + struct regmap_irq_chip_data *irq_chip_data; +#endif

int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base, unsigned int offset, unsigned int *reg, @@ -117,6 +123,13 @@ static int gpio_regmap_get_direction(struct gpio_chip *chip, unsigned int base, val, reg, mask; int invert, ret;

+ if (gpio->fixed_direction_output) { + if (test_bit(offset, gpio->fixed_direction_output)) + return GPIO_LINE_DIRECTION_OUT; + else + return GPIO_LINE_DIRECTION_IN; + } + if (gpio->reg_dat_base && !gpio->reg_set_base) return GPIO_LINE_DIRECTION_IN; if (gpio->reg_set_base && !gpio->reg_dat_base) @@ -203,6 +216,7 @@ EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdata); */ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config) { + struct irq_domain *irq_domain; struct gpio_regmap *gpio; struct gpio_chip *chip; int ret; @@ -274,12 +288,37 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config chip->direction_output = gpio_regmap_direction_output; }

+ if (config->fixed_direction_output) { + gpio->fixed_direction_output = bitmap_alloc(chip->ngpio, + GFP_KERNEL); + if (!gpio->fixed_direction_output) { + ret = -ENOMEM; + goto err_free_gpio; + } + bitmap_copy(gpio->fixed_direction_output, + config->fixed_direction_output, chip->ngpio); + } + ret = gpiochip_add_data(chip, gpio); if (ret < 0) - goto err_free_gpio; + goto err_free_bitmap; + +#ifdef CONFIG_REGMAP_IRQ + if (config->regmap_irq_chip) { + gpio->regmap_irq_line = config->regmap_irq_line; + ret = regmap_add_irq_chip_fwnode(dev_fwnode(config->parent), config->regmap, + config->regmap_irq_line, config->regmap_irq_flags, + 0, config->regmap_irq_chip, &gpio->irq_chip_data); + if (ret) + goto err_free_bitmap;

- if (config->irq_domain) { - ret = gpiochip_irqchip_add_domain(chip, config->irq_domain); + irq_domain = regmap_irq_get_domain(gpio->irq_chip_data); + } else +#endif + irq_domain = config->irq_domain; + + if (irq_domain) { + ret = gpiochip_irqchip_add_domain(chip, irq_domain); if (ret) goto err_remove_gpiochip; } @@ -288,6 +327,8 @@ struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config

err_remove_gpiochip: gpiochip_remove(chip); +err_free_bitmap: + bitmap_free(gpio->fixed_direction_output); err_free_gpio: kfree(gpio); return ERR_PTR(ret); @@ -300,7 +341,13 @@ EXPORT_SYMBOL_GPL(gpio_regmap_register); */ void gpio_regmap_unregister(struct gpio_regmap *gpio) { +#ifdef CONFIG_REGMAP_IRQ + if (gpio->irq_chip_data) + regmap_del_irq_chip(gpio->regmap_irq_line, gpio->irq_chip_data); +#endif + gpiochip_remove(&gpio->gpio_chip); + bitmap_free(gpio->fixed_direction_output); kfree(gpio); } EXPORT_SYMBOL_GPL(gpio_regmap_unregister); diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 667407974e23..c799cc67db34 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4328,13 +4328,14 @@ static void intel_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid, break; } } - WARN_ON_ONCE(!dev_pasid); spin_unlock_irqrestore(&dmar_domain->lock, flags);

cache_tag_unassign_domain(dmar_domain, dev, pasid); domain_detach_iommu(dmar_domain, iommu); - intel_iommu_debugfs_remove_dev_pasid(dev_pasid); - kfree(dev_pasid); + if (!WARN_ON_ONCE(!dev_pasid)) { + intel_iommu_debugfs_remove_dev_pasid(dev_pasid); + kfree(dev_pasid); + } intel_pasid_tear_down_entry(iommu, dev, pasid, false); intel_drain_pasid_prq(dev, pasid); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 46628a7ed497..f17a170d1be4 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -322,9 +322,9 @@ static bool bond_sk_check(struct bonding *bond) } }

-static bool bond_xdp_check(struct bonding *bond) +bool bond_xdp_check(struct bonding *bond, int mode) { - switch (BOND_MODE(bond)) { + switch (mode) { case BOND_MODE_ROUNDROBIN: case BOND_MODE_ACTIVEBACKUP: return true; @@ -1930,7 +1930,7 @@ void bond_xdp_set_features(struct net_device *bond_dev)

ASSERT_RTNL();

- if (!bond_xdp_check(bond) || !bond_has_slaves(bond)) { + if (!bond_xdp_check(bond, BOND_MODE(bond)) || !bond_has_slaves(bond)) { xdp_clear_features_flag(bond_dev); return; } @@ -5699,8 +5699,11 @@ static int bond_xdp_set(struct net_device *dev, struct bpf_prog *prog,

ASSERT_RTNL();

- if (!bond_xdp_check(bond)) + if (!bond_xdp_check(bond, BOND_MODE(bond))) { + BOND_NL_ERR(dev, extack, + "No native XDP support for the current bonding mode"); return -EOPNOTSUPP; + }

old_prog = bond->xdp_prog; bond->xdp_prog = prog; diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index e27d913b487b..28c53f1b1382 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -868,6 +868,9 @@ static bool bond_set_xfrm_features(struct bonding *bond) static int bond_option_mode_set(struct bonding *bond, const struct bond_opt_value *newval) { + if (bond->xdp_prog && !bond_xdp_check(bond, newval->value)) + return -EOPNOTSUPP; + if (!bond_mode_uses_arp(newval->value)) { if (bond->params.arp_interval) { netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n", diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c index 7f7d560cb2b4..14dcca4ffb33 100644 --- a/drivers/net/ethernet/sfc/ef100_netdev.c +++ b/drivers/net/ethernet/sfc/ef100_netdev.c @@ -450,8 +450,9 @@ int ef100_probe_netdev(struct efx_probe_data *probe_data) net_dev->hw_enc_features |= efx->type->offload_features; net_dev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_ALL_TSO; - netif_set_tso_max_segs(net_dev, - ESE_EF100_DP_GZ_TSO_MAX_HDR_NUM_SEGS_DEFAULT); + nic_data = efx->nic_data; + netif_set_tso_max_size(efx->net_dev, nic_data->tso_max_payload_len); + netif_set_tso_max_segs(efx->net_dev, nic_data->tso_max_payload_num_segs); efx->mdio.dev = net_dev;

rc = efx_ef100_init_datapath_caps(efx); @@ -478,7 +479,6 @@ int ef100_probe_netdev(struct efx_probe_data *probe_data) /* Don't fail init if RSS setup doesn't work. */ efx_mcdi_push_default_indir_table(efx, efx->n_rx_channels);

- nic_data = efx->nic_data; rc = ef100_get_mac_address(efx, net_dev->perm_addr, CLIENT_HANDLE_SELF, efx->type->is_vf); if (rc) diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c index 6da06931187d..5b1bdcac81d9 100644 --- a/drivers/net/ethernet/sfc/ef100_nic.c +++ b/drivers/net/ethernet/sfc/ef100_nic.c @@ -887,8 +887,7 @@ static int ef100_process_design_param(struct efx_nic *efx, case ESE_EF100_DP_GZ_TSO_MAX_HDR_NUM_SEGS: /* We always put HDR_NUM_SEGS=1 in our TSO descriptors */ if (!reader->value) { - netif_err(efx, probe, efx->net_dev, - "TSO_MAX_HDR_NUM_SEGS < 1\n"); + pci_err(efx->pci_dev, "TSO_MAX_HDR_NUM_SEGS < 1\n"); return -EOPNOTSUPP; } return 0; @@ -901,32 +900,28 @@ static int ef100_process_design_param(struct efx_nic *efx, */ if (!reader->value || reader->value > EFX_MIN_DMAQ_SIZE || EFX_MIN_DMAQ_SIZE % (u32)reader->value) { - netif_err(efx, probe, efx->net_dev, - "%s size granularity is %llu, can't guarantee safety\n", - reader->type == ESE_EF100_DP_GZ_RXQ_SIZE_GRANULARITY ? "RXQ" : "TXQ", - reader->value); + pci_err(efx->pci_dev, + "%s size granularity is %llu, can't guarantee safety\n", + reader->type == ESE_EF100_DP_GZ_RXQ_SIZE_GRANULARITY ? "RXQ" : "TXQ", + reader->value); return -EOPNOTSUPP; } return 0; case ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_LEN: nic_data->tso_max_payload_len = min_t(u64, reader->value, GSO_LEGACY_MAX_SIZE); - netif_set_tso_max_size(efx->net_dev, - nic_data->tso_max_payload_len); return 0; case ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_NUM_SEGS: nic_data->tso_max_payload_num_segs = min_t(u64, reader->value, 0xffff); - netif_set_tso_max_segs(efx->net_dev, - nic_data->tso_max_payload_num_segs); return 0; case ESE_EF100_DP_GZ_TSO_MAX_NUM_FRAMES: nic_data->tso_max_frames = min_t(u64, reader->value, 0xffff); return 0; case ESE_EF100_DP_GZ_COMPAT: if (reader->value) { - netif_err(efx, probe, efx->net_dev, - "DP_COMPAT has unknown bits %#llx, driver not compatible with this hw\n", - reader->value); + pci_err(efx->pci_dev, + "DP_COMPAT has unknown bits %#llx, driver not compatible with this hw\n", + reader->value); return -EOPNOTSUPP; } return 0; @@ -946,10 +941,10 @@ static int ef100_process_design_param(struct efx_nic *efx, * So the value of this shouldn't matter. */ if (reader->value != ESE_EF100_DP_GZ_VI_STRIDES_DEFAULT) - netif_dbg(efx, probe, efx->net_dev, - "NIC has other than default VI_STRIDES (mask " - "%#llx), early probing might use wrong one\n", - reader->value); + pci_dbg(efx->pci_dev, + "NIC has other than default VI_STRIDES (mask " + "%#llx), early probing might use wrong one\n", + reader->value); return 0; case ESE_EF100_DP_GZ_RX_MAX_RUNT: /* Driver doesn't look at L2_STATUS:LEN_ERR bit, so we don't @@ -961,9 +956,9 @@ static int ef100_process_design_param(struct efx_nic *efx, /* Host interface says "Drivers should ignore design parameters * that they do not recognise." */ - netif_dbg(efx, probe, efx->net_dev, - "Ignoring unrecognised design parameter %u\n", - reader->type); + pci_dbg(efx->pci_dev, + "Ignoring unrecognised design parameter %u\n", + reader->type); return 0; } } @@ -999,13 +994,13 @@ static int ef100_check_design_params(struct efx_nic *efx) */ if (reader.state != EF100_TLV_TYPE) { if (reader.state == EF100_TLV_TYPE_CONT) - netif_err(efx, probe, efx->net_dev, - "truncated design parameter (incomplete type %u)\n", - reader.type); + pci_err(efx->pci_dev, + "truncated design parameter (incomplete type %u)\n", + reader.type); else - netif_err(efx, probe, efx->net_dev, - "truncated design parameter %u\n", - reader.type); + pci_err(efx->pci_dev, + "truncated design parameter %u\n", + reader.type); rc = -EIO; } out: diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 4b3fbec397ac..c15eecf2a188 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -6733,15 +6733,15 @@ static struct ath12k *ath12k_mac_assign_vif_to_vdev(struct ieee80211_hw *hw,

mutex_lock(&ar->conf_mutex);

- if (arvif->is_created) - goto flush; - if (vif->type == NL80211_IFTYPE_AP && ar->num_peers > (ar->max_num_peers - 1)) { ath12k_warn(ab, "failed to create vdev due to insufficient peer entry resource in firmware\n"); goto unlock; }

+ if (arvif->is_created) + goto flush; + if (ar->num_created_vdevs > (TARGET_NUM_VDEVS - 1)) { ath12k_warn(ab, "failed to create vdev, reached max vdev limit %d\n", TARGET_NUM_VDEVS); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index e655fa3bfd9b..3a73d218af46 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2100,10 +2100,10 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,

/* returns with log_tree_root freed on success */ ret = btrfs_recover_log_trees(log_tree_root); + btrfs_put_root(log_tree_root); if (ret) { btrfs_handle_fs_error(fs_info, ret, "Failed to recover log tree"); - btrfs_put_root(log_tree_root); return ret; }

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index bb3602059906..7bab2512468d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4299,7 +4299,8 @@ static int prepare_allocation_clustered(struct btrfs_fs_info *fs_info, }

static int prepare_allocation_zoned(struct btrfs_fs_info *fs_info, - struct find_free_extent_ctl *ffe_ctl) + struct find_free_extent_ctl *ffe_ctl, + struct btrfs_space_info *space_info) { if (ffe_ctl->for_treelog) { spin_lock(&fs_info->treelog_bg_lock); @@ -4323,6 +4324,7 @@ static int prepare_allocation_zoned(struct btrfs_fs_info *fs_info, u64 avail = block_group->zone_capacity - block_group->alloc_offset;

if (block_group_bits(block_group, ffe_ctl->flags) && + block_group->space_info == space_info && avail >= ffe_ctl->num_bytes) { ffe_ctl->hint_byte = block_group->start; break; @@ -4344,7 +4346,7 @@ static int prepare_allocation(struct btrfs_fs_info *fs_info, return prepare_allocation_clustered(fs_info, ffe_ctl, space_info, ins); case BTRFS_EXTENT_ALLOC_ZONED: - return prepare_allocation_zoned(fs_info, ffe_ctl); + return prepare_allocation_zoned(fs_info, ffe_ctl, space_info); default: BUG(); } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 19c0ec9c327c..e32dd4193aea 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3174,9 +3174,10 @@ int btrfs_finish_one_ordered(struct btrfs_ordered_extent *ordered_extent) goto out; }

- if (btrfs_is_zoned(fs_info)) - btrfs_zone_finish_endio(fs_info, ordered_extent->disk_bytenr, - ordered_extent->disk_num_bytes); + ret = btrfs_zone_finish_endio(fs_info, ordered_extent->disk_bytenr, + ordered_extent->disk_num_bytes); + if (ret) + goto out;

if (test_bit(BTRFS_ORDERED_TRUNCATED, &ordered_extent->flags)) { truncated = true; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 3fcc7c092c5e..9a6e0b047d3b 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1270,8 +1270,7 @@ static void scrub_throttle_dev_io(struct scrub_ctx *sctx, struct btrfs_device *d * Slice is divided into intervals when the IO is submitted, adjust by * bwlimit and maximum of 64 intervals. */ - div = max_t(u32, 1, (u32)(bwlimit / (16 * 1024 * 1024))); - div = min_t(u32, 64, div); + div = clamp(bwlimit / (16 * 1024 * 1024), 1, 64);

/* Start new epoch, set deadline */ now = ktime_get(); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 1a029392eac5..f4dda72491fe 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1810,7 +1810,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, } /* see comments in should_cow_block() */ set_bit(BTRFS_ROOT_FORCE_COW, &root->state); - smp_wmb(); + smp_mb__after_atomic();

btrfs_set_root_node(new_root_item, tmp); /* record when the snapshot was created in key.offset */ diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 14f96d217e6e..3bb7a376bd3f 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -183,6 +183,7 @@ static bool check_prev_ino(struct extent_buffer *leaf, /* Only these key->types needs to be checked */ ASSERT(key->type == BTRFS_XATTR_ITEM_KEY || key->type == BTRFS_INODE_REF_KEY || + key->type == BTRFS_INODE_EXTREF_KEY || key->type == BTRFS_DIR_INDEX_KEY || key->type == BTRFS_DIR_ITEM_KEY || key->type == BTRFS_EXTENT_DATA_KEY); @@ -1770,6 +1771,39 @@ static int check_inode_ref(struct extent_buffer *leaf, return 0; }

+static int check_inode_extref(struct extent_buffer *leaf, + struct btrfs_key *key, struct btrfs_key *prev_key, + int slot) +{ + unsigned long ptr = btrfs_item_ptr_offset(leaf, slot); + unsigned long end = ptr + btrfs_item_size(leaf, slot); + + if (unlikely(!check_prev_ino(leaf, key, slot, prev_key))) + return -EUCLEAN; + + while (ptr < end) { + struct btrfs_inode_extref *extref = (struct btrfs_inode_extref *)ptr; + u16 namelen; + + if (unlikely(ptr + sizeof(*extref) > end)) { + inode_ref_err(leaf, slot, + "inode extref overflow, ptr %lu end %lu inode_extref size %zu", + ptr, end, sizeof(*extref)); + return -EUCLEAN; + } + + namelen = btrfs_inode_extref_name_len(leaf, extref); + if (unlikely(ptr + sizeof(*extref) + namelen > end)) { + inode_ref_err(leaf, slot, + "inode extref overflow, ptr %lu end %lu namelen %u", + ptr, end, namelen); + return -EUCLEAN; + } + ptr += sizeof(*extref) + namelen; + } + return 0; +} + static int check_raid_stripe_extent(const struct extent_buffer *leaf, const struct btrfs_key *key, int slot) { @@ -1881,6 +1915,9 @@ static enum btrfs_tree_block_status check_leaf_item(struct extent_buffer *leaf, case BTRFS_INODE_REF_KEY: ret = check_inode_ref(leaf, key, prev_key, slot); break; + case BTRFS_INODE_EXTREF_KEY: + ret = check_inode_extref(leaf, key, prev_key, slot); + break; case BTRFS_BLOCK_GROUP_ITEM_KEY: ret = check_block_group_item(leaf, key, slot); break; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 0022ad003791..173e13e1d5b8 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -350,6 +350,7 @@ static int process_one_buffer(struct btrfs_root *log, struct extent_buffer *eb, struct walk_control *wc, u64 gen, int level) { + struct btrfs_trans_handle *trans = wc->trans; struct btrfs_fs_info *fs_info = log->fs_info; int ret = 0;

@@ -364,18 +365,29 @@ static int process_one_buffer(struct btrfs_root *log, };

ret = btrfs_read_extent_buffer(eb, &check); - if (ret) + if (ret) { + if (trans) + btrfs_abort_transaction(trans, ret); + else + btrfs_handle_fs_error(fs_info, ret, NULL); return ret; + } }

if (wc->pin) { - ret = btrfs_pin_extent_for_log_replay(wc->trans, eb); - if (ret) + ASSERT(trans != NULL); + ret = btrfs_pin_extent_for_log_replay(trans, eb); + if (ret) { + btrfs_abort_transaction(trans, ret); return ret; + }

if (btrfs_buffer_uptodate(eb, gen, 0) && - btrfs_header_level(eb) == 0) + btrfs_header_level(eb) == 0) { ret = btrfs_exclude_logged_extents(eb); + if (ret) + btrfs_abort_transaction(trans, ret); + } } return ret; } @@ -1766,6 +1778,8 @@ static noinline int link_to_fixup_dir(struct btrfs_trans_handle *trans, else inc_nlink(vfs_inode); ret = btrfs_update_inode(trans, inode); + if (ret) + btrfs_abort_transaction(trans, ret); } else if (ret == -EEXIST) { ret = 0; } @@ -2431,15 +2445,13 @@ static int replay_one_buffer(struct btrfs_root *log, struct extent_buffer *eb, int i; int ret;

+ if (level != 0) + return 0; + ret = btrfs_read_extent_buffer(eb, &check); if (ret) return ret;

- level = btrfs_header_level(eb); - - if (level != 0) - return 0; - path = btrfs_alloc_path(); if (!path) return -ENOMEM; @@ -2612,15 +2624,24 @@ static int unaccount_log_buffer(struct btrfs_fs_info *fs_info, u64 start) static int clean_log_buffer(struct btrfs_trans_handle *trans, struct extent_buffer *eb) { + int ret; + btrfs_tree_lock(eb); btrfs_clear_buffer_dirty(trans, eb); wait_on_extent_buffer_writeback(eb); btrfs_tree_unlock(eb);

- if (trans) - return btrfs_pin_reserved_extent(trans, eb); + if (trans) { + ret = btrfs_pin_reserved_extent(trans, eb); + if (ret) + btrfs_abort_transaction(trans, ret); + return ret; + }

- return unaccount_log_buffer(eb->fs_info, eb->start); + ret = unaccount_log_buffer(eb->fs_info, eb->start); + if (ret) + btrfs_handle_fs_error(eb->fs_info, ret, NULL); + return ret; }

static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, @@ -2656,8 +2677,14 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, next = btrfs_find_create_tree_block(fs_info, bytenr, btrfs_header_owner(cur), *level - 1); - if (IS_ERR(next)) - return PTR_ERR(next); + if (IS_ERR(next)) { + ret = PTR_ERR(next); + if (trans) + btrfs_abort_transaction(trans, ret); + else + btrfs_handle_fs_error(fs_info, ret, NULL); + return ret; + }

if (*level == 1) { ret = wc->process_func(root, next, wc, ptr_gen, @@ -2672,6 +2699,10 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, ret = btrfs_read_extent_buffer(next, &check); if (ret) { free_extent_buffer(next); + if (trans) + btrfs_abort_transaction(trans, ret); + else + btrfs_handle_fs_error(fs_info, ret, NULL); return ret; }

@@ -2687,6 +2718,10 @@ static noinline int walk_down_log_tree(struct btrfs_trans_handle *trans, ret = btrfs_read_extent_buffer(next, &check); if (ret) { free_extent_buffer(next); + if (trans) + btrfs_abort_transaction(trans, ret); + else + btrfs_handle_fs_error(fs_info, ret, NULL); return ret; }

@@ -7422,7 +7457,6 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)

log_root_tree->log_root = NULL; clear_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags); - btrfs_put_root(log_root_tree);

return 0; error: diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 4966b4f5a7d2..64e0a5bf5f9a 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -2384,16 +2384,17 @@ bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags) return ret; }

-void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 length) +int btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 length) { struct btrfs_block_group *block_group; u64 min_alloc_bytes;

if (!btrfs_is_zoned(fs_info)) - return; + return 0;

block_group = btrfs_lookup_block_group(fs_info, logical); - ASSERT(block_group); + if (WARN_ON_ONCE(!block_group)) + return -ENOENT;

/* No MIXED_BG on zoned btrfs. */ if (block_group->flags & BTRFS_BLOCK_GROUP_DATA) @@ -2410,6 +2411,7 @@ void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 len

out: btrfs_put_block_group(block_group); + return 0; }

static void btrfs_zone_finish_endio_workfn(struct work_struct *work) diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 7612e6572605..f7171ab6ed71 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -83,7 +83,7 @@ int btrfs_sync_zone_write_pointer(struct btrfs_device *tgt_dev, u64 logical, bool btrfs_zone_activate(struct btrfs_block_group *block_group); int btrfs_zone_finish(struct btrfs_block_group *block_group); bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags); -void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, +int btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, u64 logical, u64 length); void btrfs_schedule_zone_finish_bg(struct btrfs_block_group *bg, struct extent_buffer *eb); @@ -232,8 +232,11 @@ static inline bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, return true; }

-static inline void btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, - u64 logical, u64 length) { } +static inline int btrfs_zone_finish_endio(struct btrfs_fs_info *fs_info, + u64 logical, u64 length) +{ + return 0; +}

static inline void btrfs_schedule_zone_finish_bg(struct btrfs_block_group *bg, struct extent_buffer *eb) { } diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 2a108c561e8b..6317dd523ecd 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1836,18 +1836,20 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,

map.m_len = sec_blks; next_alloc: + f2fs_down_write(&sbi->pin_sem); + if (has_not_enough_free_secs(sbi, 0, f2fs_sb_has_blkzoned(sbi) ? ZONED_PIN_SEC_REQUIRED_COUNT : GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) { f2fs_down_write(&sbi->gc_lock); stat_inc_gc_call_count(sbi, FOREGROUND); err = f2fs_gc(sbi, &gc_control); - if (err && err != -ENODATA) + if (err && err != -ENODATA) { + f2fs_up_write(&sbi->pin_sem); goto out_err; + } }

- f2fs_down_write(&sbi->pin_sem); - err = f2fs_allocate_pinning_section(sbi); if (err) { f2fs_up_write(&sbi->pin_sem); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index e48b5e2efea2..8ac6206110a1 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2749,7 +2749,7 @@ static int get_new_segment(struct f2fs_sb_info *sbi, MAIN_SECS(sbi)); if (secno >= MAIN_SECS(sbi)) { ret = -ENOSPC; - f2fs_bug_on(sbi, 1); + f2fs_bug_on(sbi, !pinning); goto out_unlock; } } @@ -2795,7 +2795,7 @@ static int get_new_segment(struct f2fs_sb_info *sbi, out_unlock: spin_unlock(&free_i->segmap_lock);

- if (ret == -ENOSPC) + if (ret == -ENOSPC && !pinning) f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_NO_SEGMENT); return ret; } @@ -2868,6 +2868,13 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type) return curseg->segno; }

+static void reset_curseg_fields(struct curseg_info *curseg) +{ + curseg->inited = false; + curseg->segno = NULL_SEGNO; + curseg->next_segno = 0; +} + /* * Allocate a current working segment. * This function always allocates a free segment in LFS manner. @@ -2886,7 +2893,7 @@ static int new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec) ret = get_new_segment(sbi, &segno, new_sec, pinning); if (ret) { if (ret == -ENOSPC) - curseg->segno = NULL_SEGNO; + reset_curseg_fields(curseg); return ret; }

@@ -3640,13 +3647,6 @@ static void f2fs_randomize_chunk(struct f2fs_sb_info *sbi, get_random_u32_inclusive(1, sbi->max_fragment_hole); }

-static void reset_curseg_fields(struct curseg_info *curseg) -{ - curseg->inited = false; - curseg->segno = NULL_SEGNO; - curseg->next_segno = 0; -} - int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, block_t old_blkaddr, block_t *new_blkaddr, struct f2fs_summary *sum, int type, diff --git a/include/linux/audit.h b/include/linux/audit.h index a394614ccd0b..e3f06eba9c6e 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -527,7 +527,7 @@ static inline void audit_log_kern_module(const char *name)

static inline void audit_fanotify(u32 response, struct fanotify_response_info_audit_rule *friar) { - if (!audit_dummy_context()) + if (audit_enabled) __audit_fanotify(response, friar); }

diff --git a/include/linux/bitops.h b/include/linux/bitops.h index ba35bbf07798..65d084abbc2c 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -8,7 +8,6 @@

#include <uapi/linux/kernel.h>

-#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) #define BITS_TO_LONGS(nr) __KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(long)) #define BITS_TO_U64(nr) __KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(u64)) #define BITS_TO_U32(nr) __KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(u32)) diff --git a/include/linux/bits.h b/include/linux/bits.h index 60044b608817..b48aa3209c2e 100644 --- a/include/linux/bits.h +++ b/include/linux/bits.h @@ -12,6 +12,7 @@ #define BIT_ULL_MASK(nr) (ULL(1) << ((nr) % BITS_PER_LONG_LONG)) #define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) #define BITS_PER_BYTE 8 +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)

/* * Create a contiguous bitmask starting at bit position @l and ending at @@ -19,17 +20,50 @@ * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. */ #if !defined(__ASSEMBLY__) + +/* + * Missing asm support + * + * GENMASK_U*() depend on BITS_PER_TYPE() which relies on sizeof(), + * something not available in asm. Nevertheless, fixed width integers is a C + * concept. Assembly code can rely on the long and long long versions instead. + */ + #include <linux/build_bug.h> +#include <linux/overflow.h> #define GENMASK_INPUT_CHECK(h, l) \ (BUILD_BUG_ON_ZERO(__builtin_choose_expr( \ __is_constexpr((l) > (h)), (l) > (h), 0))) -#else + +/* + * Generate a mask for the specified type @t. Additional checks are made to + * guarantee the value returned fits in that type, relying on + * -Wshift-count-overflow compiler check to detect incompatible arguments. + * For example, all these create build errors or warnings: + * + * - GENMASK(15, 20): wrong argument order + * - GENMASK(72, 15): doesn't fit unsigned long + * - GENMASK_U32(33, 15): doesn't fit in a u32 + */ +#define GENMASK_TYPE(t, h, l) \ + ((t)(GENMASK_INPUT_CHECK(h, l) + \ + (type_max(t) << (l) & \ + type_max(t) >> (BITS_PER_TYPE(t) - 1 - (h))))) + +#define GENMASK_U8(h, l) GENMASK_TYPE(u8, h, l) +#define GENMASK_U16(h, l) GENMASK_TYPE(u16, h, l) +#define GENMASK_U32(h, l) GENMASK_TYPE(u32, h, l) +#define GENMASK_U64(h, l) GENMASK_TYPE(u64, h, l) + +#else /* defined(__ASSEMBLY__) */ + /* * BUILD_BUG_ON_ZERO is not available in h files included from asm files, * disable the input check if that is the case. */ #define GENMASK_INPUT_CHECK(h, l) 0 -#endif + +#endif /* !defined(__ASSEMBLY__) */

#define GENMASK(h, l) \ (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l)) diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h index a9f7b7faf57b..cf55202aaec2 100644 --- a/include/linux/gpio/regmap.h +++ b/include/linux/gpio/regmap.h @@ -37,9 +37,18 @@ struct regmap; * offset to a register/bitmask pair. If not * given the default gpio_regmap_simple_xlate() * is used. + * @fixed_direction_output: + * (Optional) Bitmap representing the fixed direction of + * the GPIO lines. Useful when there are GPIO lines with a + * fixed direction mixed together in the same register. * @drvdata: (Optional) Pointer to driver specific data which is * not used by gpio-remap but is provided "as is" to the * driver callback(s). + * @regmap_irq_chip: (Optional) Pointer on an regmap_irq_chip structure. If + * set, a regmap-irq device will be created and the IRQ + * domain will be set accordingly. + * @regmap_irq_line (Optional) The IRQ the device uses to signal interrupts. + * @regmap_irq_flags (Optional) The IRQF_ flags to use for the interrupt. * * The ->reg_mask_xlate translates a given base address and GPIO offset to * register and mask pair. The base address is one of the given register @@ -77,6 +86,13 @@ struct gpio_regmap_config { int reg_stride; int ngpio_per_reg; struct irq_domain *irq_domain; + unsigned long *fixed_direction_output; + +#ifdef CONFIG_REGMAP_IRQ + struct regmap_irq_chip *regmap_irq_chip; + int regmap_irq_line; + unsigned long regmap_irq_flags; +#endif

int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base, unsigned int offset, unsigned int *reg, diff --git a/include/net/bonding.h b/include/net/bonding.h index 8bb5f016969f..95f67b308c19 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -695,6 +695,7 @@ void bond_debug_register(struct bonding *bond); void bond_debug_unregister(struct bonding *bond); void bond_debug_reregister(struct bonding *bond); const char *bond_mode_name(int mode); +bool bond_xdp_check(struct bonding *bond, int mode); void bond_setup(struct net_device *bond_dev); unsigned int bond_get_num_tx_queues(void); int bond_netlink_init(void); diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index d7b7b6cd4aa1..8a75c73fc555 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -114,7 +114,6 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct netlink_ext_ack *extack); void qdisc_put_rtab(struct qdisc_rate_table *tab); void qdisc_put_stab(struct qdisc_size_table *tab); -void qdisc_warn_nonwc(const char *txt, struct Qdisc *qdisc); bool sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q, struct net_device *dev, struct netdev_queue *txq, spinlock_t *root_lock, bool validate); @@ -290,4 +289,28 @@ static inline bool tc_qdisc_stats_dump(struct Qdisc *sch, return true; }

+static inline void qdisc_warn_nonwc(const char *txt, struct Qdisc *qdisc) +{ + if (!(qdisc->flags & TCQ_F_WARN_NONWC)) { + pr_warn("%s: %s qdisc %X: is non-work-conserving?\n", + txt, qdisc->ops->id, qdisc->handle >> 16); + qdisc->flags |= TCQ_F_WARN_NONWC; + } +} + +static inline unsigned int qdisc_peek_len(struct Qdisc *sch) +{ + struct sk_buff *skb; + unsigned int len; + + skb = sch->ops->peek(sch); + if (unlikely(skb == NULL)) { + qdisc_warn_nonwc("qdisc_peek_len", sch); + return 0; + } + len = qdisc_pkt_len(skb); + + return len; +} + #endif diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 25f9565f798d..13eb98617249 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -1679,11 +1679,7 @@ static int update_parent_effective_cpumask(struct cpuset *cs, int cmd, if (prstate_housekeeping_conflict(new_prs, xcpus)) return PERR_HKEEPING;

- /* - * A parent can be left with no CPU as long as there is no - * task directly associated with the parent partition. - */ - if (nocpu) + if (tasks_nocpu_error(parent, cs, xcpus)) return PERR_NOCPUS;

deleting = cpumask_and(tmp->delmask, xcpus, parent->effective_xcpus); diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c index 8a47e52a454f..49d87e6db553 100644 --- a/kernel/events/callchain.c +++ b/kernel/events/callchain.c @@ -223,6 +223,10 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, struct perf_callchain_entry_ctx ctx; int rctx, start_entry_idx;

+ /* crosstask is not supported for user stacks */ + if (crosstask && user && !kernel) + return NULL; + entry = get_callchain_entry(&rctx); if (!entry) return NULL; @@ -239,18 +243,15 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, perf_callchain_kernel(&ctx, regs); }

- if (user) { + if (user && !crosstask) { if (!user_mode(regs)) { - if (current->mm) - regs = task_pt_regs(current); - else + if (current->flags & (PF_KTHREAD | PF_USER_WORKER)) regs = NULL; + else + regs = task_pt_regs(current); }

if (regs) { - if (crosstask) - goto exit_put; - if (add_mark) perf_callchain_store_context(&ctx, PERF_CONTEXT_USER);

@@ -260,7 +261,6 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, } }

-exit_put: put_callchain_entry(rctx);

return entry; diff --git a/kernel/events/core.c b/kernel/events/core.c index d60d48d482b0..d6a86d8e9e59 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7095,7 +7095,7 @@ static void perf_sample_regs_user(struct perf_regs *regs_user, if (user_mode(regs)) { regs_user->abi = perf_reg_abi(current); regs_user->regs = regs; - } else if (!(current->flags & PF_KTHREAD)) { + } else if (!(current->flags & (PF_KTHREAD | PF_USER_WORKER))) { perf_get_regs_user(regs_user, regs); } else { regs_user->abi = PERF_SAMPLE_REGS_ABI_NONE; @@ -7735,7 +7735,7 @@ static u64 perf_virt_to_phys(u64 virt) * Try IRQ-safe get_user_page_fast_only first. * If failed, leave phys_addr as 0. */ - if (current->mm != NULL) { + if (!(current->flags & (PF_KTHREAD | PF_USER_WORKER))) { struct page *p;

pagefault_disable(); @@ -7847,7 +7847,8 @@ struct perf_callchain_entry * perf_callchain(struct perf_event *event, struct pt_regs *regs) { bool kernel = !event->attr.exclude_callchain_kernel; - bool user = !event->attr.exclude_callchain_user; + bool user = !event->attr.exclude_callchain_user && + !(current->flags & (PF_KTHREAD | PF_USER_WORKER)); /* Disallow cross-task user callchains. */ bool crosstask = event->ctx->task && event->ctx->task != current; const u32 max_stack = event->attr.sample_max_stack; diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 267b00005eaf..1eac0d2b8ecb 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -733,6 +733,26 @@ seccomp_prepare_user_filter(const char __user *user_filter) }

#ifdef SECCOMP_ARCH_NATIVE +static bool seccomp_uprobe_exception(struct seccomp_data *sd) +{ +#if defined __NR_uretprobe || defined __NR_uprobe +#ifdef SECCOMP_ARCH_COMPAT + if (sd->arch == SECCOMP_ARCH_NATIVE) +#endif + { +#ifdef __NR_uretprobe + if (sd->nr == __NR_uretprobe) + return true; +#endif +#ifdef __NR_uprobe + if (sd->nr == __NR_uprobe) + return true; +#endif + } +#endif + return false; +} + /** * seccomp_is_const_allow - check if filter is constant allow with given data * @fprog: The BPF programs @@ -750,13 +770,8 @@ static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog, return false;

/* Our single exception to filtering. */ -#ifdef __NR_uretprobe -#ifdef SECCOMP_ARCH_COMPAT - if (sd->arch == SECCOMP_ARCH_NATIVE) -#endif - if (sd->nr == __NR_uretprobe) - return true; -#endif + if (seccomp_uprobe_exception(sd)) + return true;

for (pc = 0; pc < fprog->len; pc++) { struct sock_filter *insn = &fprog->filter[pc]; @@ -1034,6 +1049,9 @@ static const int mode1_syscalls[] = { __NR_seccomp_read, __NR_seccomp_write, __NR_seccomp_exit, __NR_seccomp_sigreturn, #ifdef __NR_uretprobe __NR_uretprobe, +#endif +#ifdef __NR_uprobe + __NR_uprobe, #endif -1, /* negative terminated */ }; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 8d5406515c30..4d9a5c8f3b2f 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -618,6 +618,10 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) }

subflow: + /* No need to try establishing subflows to remote id0 if not allowed */ + if (mptcp_pm_add_addr_c_flag_case(msk)) + goto exit; + /* check if should create a new subflow */ while (msk->pm.local_addr_used < local_addr_max && msk->pm.subflows < subflows_max) { @@ -649,6 +653,8 @@ static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk) __mptcp_subflow_connect(sk, &local, &addrs[i]); spin_lock_bh(&msk->pm.lock); } + +exit: mptcp_pm_nl_check_work_pending(msk); }

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index c56a01992cb2..709d851d0b1e 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -599,16 +599,6 @@ void __qdisc_calculate_pkt_len(struct sk_buff *skb, qdisc_skb_cb(skb)->pkt_len = pkt_len; }

-void qdisc_warn_nonwc(const char *txt, struct Qdisc *qdisc) -{ - if (!(qdisc->flags & TCQ_F_WARN_NONWC)) { - pr_warn("%s: %s qdisc %X: is non-work-conserving?\n", - txt, qdisc->ops->id, qdisc->handle >> 16); - qdisc->flags |= TCQ_F_WARN_NONWC; - } -} -EXPORT_SYMBOL(qdisc_warn_nonwc); - static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer) { struct qdisc_watchdog *wd = container_of(timer, struct qdisc_watchdog, diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 5a7745170e84..d8fd35da32a7 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -835,22 +835,6 @@ update_vf(struct hfsc_class *cl, unsigned int len, u64 cur_time) } }

-static unsigned int -qdisc_peek_len(struct Qdisc *sch) -{ - struct sk_buff *skb; - unsigned int len; - - skb = sch->ops->peek(sch); - if (unlikely(skb == NULL)) { - qdisc_warn_nonwc("qdisc_peek_len", sch); - return 0; - } - len = qdisc_pkt_len(skb); - - return len; -} - static void hfsc_adjust_levels(struct hfsc_class *cl) { diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 5a345ef35c9f..5b43578493ef 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -1002,7 +1002,7 @@ static struct sk_buff *agg_dequeue(struct qfq_aggregate *agg,

if (cl->qdisc->q.qlen == 0) /* no more packets, remove from list */ list_del_init(&cl->alist); - else if (cl->deficit < qdisc_pkt_len(cl->qdisc->ops->peek(cl->qdisc))) { + else if (cl->deficit < qdisc_peek_len(cl->qdisc)) { cl->deficit += agg->lmax; list_move_tail(&cl->alist, &agg->active); } diff --git a/net/wireless/reg.c b/net/wireless/reg.c index f6846eb0f4b8..9f8428dc418a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -4234,6 +4234,8 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev) struct wireless_dev *wdev; unsigned int link_id;

+ wiphy_lock(&rdev->wiphy); + /* If we finished CAC or received radar, we should end any * CAC running on the same channels. * the check !cfg80211_chandef_dfs_usable contain 2 options: @@ -4258,6 +4260,8 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev) rdev_end_cac(rdev, wdev->netdev, link_id); } } + + wiphy_unlock(&rdev->wiphy); }

void regulatory_propagate_dfs_state(struct wiphy *wiphy, diff --git a/tools/sched_ext/scx_qmap.bpf.c b/tools/sched_ext/scx_qmap.bpf.c index 5d1f880d1149..e952f525599b 100644 --- a/tools/sched_ext/scx_qmap.bpf.c +++ b/tools/sched_ext/scx_qmap.bpf.c @@ -56,7 +56,8 @@ struct qmap { queue1 SEC(".maps"), queue2 SEC(".maps"), queue3 SEC(".maps"), - queue4 SEC(".maps"); + queue4 SEC(".maps"), + dump_store SEC(".maps");

struct { __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS); @@ -578,11 +579,26 @@ void BPF_STRUCT_OPS(qmap_dump, struct scx_dump_ctx *dctx) return;

scx_bpf_dump("QMAP FIFO[%d]:", i); + + /* + * Dump can be invoked anytime and there is no way to iterate in + * a non-destructive way. Pop and store in dump_store and then + * restore afterwards. If racing against new enqueues, ordering + * can get mixed up. + */ bpf_repeat(4096) { if (bpf_map_pop_elem(fifo, &pid)) break; + bpf_map_push_elem(&dump_store, &pid, 0); scx_bpf_dump(" %d", pid); } + + bpf_repeat(4096) { + if (bpf_map_pop_elem(&dump_store, &pid)) + break; + bpf_map_push_elem(fifo, &pid, 0); + } + scx_bpf_dump("\n"); } } diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 4ad0787451f4..ec7547bdda89 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3823,7 +3823,8 @@ endpoint_tests()

# remove and re-add if reset_with_events "delete re-add signal" && - mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + continue_if mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then + ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=0 pm_nl_set_limits $ns1 0 3 pm_nl_set_limits $ns2 3 3 pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal