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Message-ID: <2025110216-rigid-colonial-b790@gregkh>
Date: Sun, 2 Nov 2025 22:46:16 +0900
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org,
torvalds@...ux-foundation.org,
stable@...r.kernel.org
Cc: lwn@....net,
jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 6.12.57
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@...s.com and Carsten Langgaard, carstenl@...s.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@...tanz.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@...kel.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
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