Total patches: 36
Reviews/patch: 1.77
Reviewed rate: 83%
- The 2 patch series "mm/vmscan: fix demotion targets checks in
reclaim/demotion" from Bing Jiao fixes a couple of issues in the
demotion code - pages were failed demotion and were finding themselves
demoted into disallowed nodes.
- The 11 patch series "Remove XA_ZERO from error recovery of dup_mmap()"
from Liam Howlett fixes a rare mapledtree race and performs a number of
cleanups.
- The 13 patch series "mm: add bitmap VMA flag helpers and convert all
mmap_prepare to use them" from Lorenzo Stoakes implements a lot of
cleanups following on from the conversion of the VMA flags into a
bitmap.
- The 5 patch series "support batch checking of references and unmapping
for large folios" from Baolin Wang implements batching to greatly
improve the performance of reclaiming clean file-backed large folios.
- The 3 patch series "selftests/mm: add memory failure selftests" from
Miaohe Lin does as claimed.
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Merge tag 'mm-stable-2026-02-18-19-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- "mm/vmscan: fix demotion targets checks in reclaim/demotion" fixes a
couple of issues in the demotion code - pages were failed demotion
and were finding themselves demoted into disallowed nodes (Bing Jiao)
- "Remove XA_ZERO from error recovery of dup_mmap()" fixes a rare
mapledtree race and performs a number of cleanups (Liam Howlett)
- "mm: add bitmap VMA flag helpers and convert all mmap_prepare to use
them" implements a lot of cleanups following on from the conversion
of the VMA flags into a bitmap (Lorenzo Stoakes)
- "support batch checking of references and unmapping for large folios"
implements batching to greatly improve the performance of reclaiming
clean file-backed large folios (Baolin Wang)
- "selftests/mm: add memory failure selftests" does as claimed (Miaohe
Lin)
* tag 'mm-stable-2026-02-18-19-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (36 commits)
mm/page_alloc: clear page->private in free_pages_prepare()
selftests/mm: add memory failure dirty pagecache test
selftests/mm: add memory failure clean pagecache test
selftests/mm: add memory failure anonymous page test
mm: rmap: support batched unmapping for file large folios
arm64: mm: implement the architecture-specific clear_flush_young_ptes()
arm64: mm: support batch clearing of the young flag for large folios
arm64: mm: factor out the address and ptep alignment into a new helper
mm: rmap: support batched checks of the references for large folios
tools/testing/vma: add VMA userland tests for VMA flag functions
tools/testing/vma: separate out vma_internal.h into logical headers
tools/testing/vma: separate VMA userland tests into separate files
mm: make vm_area_desc utilise vma_flags_t only
mm: update all remaining mmap_prepare users to use vma_flags_t
mm: update shmem_[kernel]_file_*() functions to use vma_flags_t
mm: update secretmem to use VMA flags on mmap_prepare
mm: update hugetlbfs to use VMA flags on mmap_prepare
mm: add basic VMA flag operation helper functions
tools: bitmap: add missing bitmap_[subset(), andnot()]
mm: add mk_vma_flags() bitmap flag macro helper
...
As per design, AF should update the default MCAM action only when
mcam_index is -1. A bug in the previous patch caused default entries
to be changed even when the request was not for them.
Fixes: 570ba37898 ("octeontx2-af: Update RSS algorithm index")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260216090338.1318976-1-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-26-02-17' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter: updates for net
The following patchset contains Netfilter fixes for *net*:
1) Add missing __rcu annotations to NAT helper hook pointers in Amanda,
FTP, IRC, SNMP and TFTP helpers. From Sun Jian.
2-4):
- Add global spinlock to serialize nft_counter fetch+reset operations.
- Use atomic64_xchg() for nft_quota reset instead of read+subtract pattern.
Note AI review detects a race in this change but it isn't new. The
'racing' bit only exists to prevent constant stream of 'quota expired'
notifications.
- Revert commit_mutex usage in nf_tables reset path, it caused
circular lock dependency. All from Brian Witte.
5) Fix uninitialized l3num value in nf_conntrack_h323 helper.
6) Fix musl libc compatibility in netfilter_bridge.h UAPI header. This
change isn't nice (UAPI headers should not include libc headers), but
as-is musl builds may fail due to redefinition of struct ethhdr.
7) Fix protocol checksum validation in IPVS for IPv6 with extension headers,
from Julian Anastasov.
8) Fix device reference leak in IPVS when netdev goes down. Also from
Julian.
9) Remove WARN_ON_ONCE when accessing forward path array, this can
trigger with sufficiently long forward paths. From Pablo Neira Ayuso.
10) Fix use-after-free in nf_tables_addchain() error path, from Inseo An.
* tag 'nf-26-02-17' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: fix use-after-free in nf_tables_addchain()
net: remove WARN_ON_ONCE when accessing forward path array
ipvs: do not keep dest_dst if dev is going down
ipvs: skip ipv6 extension headers for csum checks
include: uapi: netfilter_bridge.h: Cover for musl libc
netfilter: nf_conntrack_h323: don't pass uninitialised l3num value
netfilter: nf_tables: revert commit_mutex usage in reset path
netfilter: nft_quota: use atomic64_xchg for reset
netfilter: nft_counter: serialize reset with spinlock
netfilter: annotate NAT helper hook pointers with __rcu
====================
Link: https://patch.msgid.link/20260217163233.31455-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
XSK wakeup must use the async ICOSQ (with proper locking), as it is not
guaranteed to run on the same CPU as the channel.
The commit that converted the NAPI trigger path to use the sync ICOSQ
incorrectly applied the same change to XSK, causing XSK wakeups to use
the sync ICOSQ as well. Revert XSK flows to use the async ICOSQ.
XDP program attach/detach triggers channel reopen, while XSK pool
enable/disable can happen on-the-fly via NDOs without reopening
channels. As a result, xsk_pool state cannot be reliably used at
mlx5e_open_channel() time to decide whether an async ICOSQ is needed.
Update the async_icosq_needed logic to depend on the presence of an XDP
program rather than the xsk_pool, ensuring the async ICOSQ is available
when XSK wakeups are enabled.
This fixes multiple issues:
1. Illegal synchronize_rcu() in an RCU read- side critical section via
mlx5e_xsk_wakeup() -> mlx5e_trigger_napi_icosq() ->
synchronize_net(). The stack holds RCU read-lock in xsk_poll().
2. Hitting a NULL pointer dereference in mlx5e_xsk_wakeup():
[] BUG: kernel NULL pointer dereference, address: 0000000000000240
[] #PF: supervisor read access in kernel mode
[] #PF: error_code(0x0000) - not-present page
[] PGD 0 P4D 0
[] Oops: Oops: 0000 [#1] SMP
[] CPU: 0 UID: 0 PID: 2255 Comm: qemu-system-x86 Not tainted 6.19.0-rc5+ #229 PREEMPT(none)
[] Hardware name: [...]
[] RIP: 0010:mlx5e_xsk_wakeup+0x53/0x90 [mlx5_core]
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Closes: https://lore.kernel.org/all/20260123223916.361295-1-daniel@iogearbox.net/
Fixes: 56aca3e0f7 ("net/mlx5e: Use regular ICOSQ for triggering NAPI")
Tested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Acked-by: Alice Mikityanska <alice.kernel@fastmail.im>
Link: https://patch.msgid.link/20260217074525.1761454-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Eric Dumazet says:
====================
icmp: better deal with DDOS
When dealing with death of big UDP servers, admins might want to
increase net.ipv4.icmp_msgs_per_sec and net.ipv4.icmp_msgs_burst
to big values (2,000,000 or more).
They also might need to tune the per-host ratelimit to 1ms or 0ms
in favor of the global rate limit.
This series fixes bugs showing up in all these needs.
====================
Link: https://patch.msgid.link/20260216142832.3834174-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If net.ipv6.icmp.ratelimit is zero we do not have to call
inet_getpeer_v6() and inet_peer_xrlim_allow().
Both can be very expensive under DDOS.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If net.ipv4.icmp_ratelimit is zero, we do not have to call
inet_getpeer_v4() and inet_peer_xrlim_allow().
Both can be very expensive under DDOS.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Following part was needed before the blamed commit, because
inet_getpeer_v6() second argument was the prefix.
/* Give more bandwidth to wider prefixes. */
if (rt->rt6i_dst.plen < 128)
tmo >>= ((128 - rt->rt6i_dst.plen)>>5);
Now inet_getpeer_v6() retrieves hosts, we need to remove
@tmo adjustement or wider prefixes likes /24 allow 8x
more ICMP to be sent for a given ratelimit.
As we had this issue for a while, this patch changes net.ipv6.icmp.ratelimit
default value from 1000ms to 100ms to avoid potential regressions.
Also add a READ_ONCE() when reading net->ipv6.sysctl.icmpv6_time.
Fixes: fd0273d793 ("ipv6: Remove external dependency on rt6i_dst and rt6i_src")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Cc: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20260216142832.3834174-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
icmp_global_credit was meant to be changed ~1000 times per second,
but if an admin sets net.ipv4.icmp_msgs_per_sec to a very high value,
icmp_global_credit changes can inflict false sharing to surrounding
fields that are read mostly.
Move icmp_global_credit and icmp_global_stamp to a separate
cacheline aligned group.
Fixes: b056b4cd91 ("icmp: move icmp_global.credit and icmp_global.stamp to per netns storage")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Following expression can overflow
if sysctl_icmp_msgs_per_sec is big enough.
sysctl_icmp_msgs_per_sec * delta / HZ;
Fixes: 4cdf507d54 ("icmp: add a global rate limitation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add ipv4-mapped-ipv6 case to ksft_runner.sh before
an upcoming TCP fix in this area.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260217142924.1853498-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for HV_PARTITION_CREATION_FLAG_SMT_ENABLED_GUEST
to allow userspace VMMs to enable SMT for guest partitions.
Expose this via new MSHV_PT_BIT_SMT_ENABLED_GUEST flag in the UAPI.
Without this flag, the hypervisor schedules guest VPs incorrectly,
causing SMT unusable.
Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Introduce HV_PARTITION_CREATION_FLAG_NESTED_VIRTUALIZATION_CAPABLE to
indicate support for nested virtualization during partition creation.
This enables clearer configuration and capability checks for nested
virtualization scenarios.
Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Signed-off-by: Muminul Islam <muislam@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
The per-cpu variable vmbus_evt is currently dynamically allocated. It's
only 8 bytes, so just allocate it statically to simplify and save a few
lines of code.
Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This hypercall needs to be exposed for VMMs to soft-reboot guests. It
will reset APIC and synthetic interrupt controller state, among others.
Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Query the hypervisor for integrated scheduler support and use it if
configured.
Microsoft Hypervisor originally provided two schedulers: root and core. The
root scheduler allows the root partition to schedule guest vCPUs across
physical cores, supporting both time slicing and CPU affinity (e.g., via
cgroups). In contrast, the core scheduler delegates vCPU-to-physical-core
scheduling entirely to the hypervisor.
Direct virtualization introduces a new privileged guest partition type - L1
Virtual Host (L1VH) — which can create child partitions from its own
resources. These child partitions are effectively siblings, scheduled by
the hypervisor's core scheduler. This prevents the L1VH parent from setting
affinity or time slicing for its own processes or guest VPs. While cgroups,
CFS, and cpuset controllers can still be used, their effectiveness is
unpredictable, as the core scheduler swaps vCPUs according to its own logic
(typically round-robin across all allocated physical CPUs). As a result,
the system may appear to "steal" time from the L1VH and its children.
To address this, Microsoft Hypervisor introduces the integrated scheduler.
This allows an L1VH partition to schedule its own vCPUs and those of its
guests across its "physical" cores, effectively emulating root scheduler
behavior within the L1VH, while retaining core scheduler behavior for the
rest of the system.
The integrated scheduler is controlled by the root partition and gated by
the vmm_enable_integrated_scheduler capability bit. If set, the hypervisor
supports the integrated scheduler. The L1VH partition must then check if it
is enabled by querying the corresponding extended partition property. If
this property is true, the L1VH partition must use the root scheduler
logic; otherwise, it must use the core scheduler. This requirement makes
reading VMM capabilities in L1VH partition a requirement too.
Signed-off-by: Andreea Pintilie <anpintil@microsoft.com>
Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
The function idle_thread_get() can return an error pointer and is not
checked for it. Add check for error pointer.
Detected by Smatch:
arch/x86/hyperv/hv_vtl.c:126 hv_vtl_bringup_vcpu() error:
'idle' dereferencing possible ERR_PTR()
Fixes: 2b4b90e053 ("x86/hyperv: Use per cpu initial stack for vtl context")
Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
MSVC compiler, used to compile the Microsoft Hypervisor, currently
has an assert intrinsic that uses interrupt vector 0x29 to create an
exception. This will cause hypervisor to then crash and collect core. As
such, if this interrupt number is assigned to a device by Linux and the
device generates it, hypervisor will crash. There are two other such
vectors hard coded in the hypervisor, 0x2C and 0x2D for debug purposes.
Fortunately, the three vectors are part of the kernel driver space and
that makes it feasible to reserve them early so they are not assigned
later.
Signed-off-by: Mukesh Rathor <mrathor@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
The verification signature header generation requires converting a
binary certificate to a C array. Previously this only worked with xxd,
and a switch to hexdump has been done in commit b640d556a2
("selftests/bpf: Remove xxd util dependency").
hexdump is a more common utility program, yet it might not be installed
by default. When it is not installed, BPF selftests build without
errors, but tests_progs is unusable: it exits with the 255 code and
without any error messages. When manually reproducing the issue, it is
not too hard to find out that the generated verification_cert.h file is
incorrect, but that's time consuming. When digging the BPF selftests
build logs, this line can be seen amongst thousands others, but ignored:
/bin/sh: 2: hexdump: not found
Here, od is used instead of hexdump. od is coming from the coreutils
package, and this new od command produces the same output when using od
from GNU coreutils, uutils, and even busybox. This is more portable, and
it produces a similar results to what was done before with hexdump:
there is an extra comma at the end instead of trailing whitespaces,
but the C code is not impacted.
Fixes: b640d556a2 ("selftests/bpf: Remove xxd util dependency")
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Tested-by: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/r/20260218-bpf-sft-hexdump-od-v2-1-2f9b3ee5ab86@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
- Ensure tools/objtool is cleaned by 'make clean' and 'make mrproper'
- Fix test program for CONFIG_CC_CAN_LINK to avoid a warning, which is
made fatal by -Werror
- Drop explicit LZMA parallel compression in scripts/make_fit.py
- Several fixes for commit 62089b8048 ("kbuild: rpm-pkg: Generate
debuginfo package manually")
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Merge tag 'kbuild-fixes-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nathan Chancellor:
- Ensure tools/objtool is cleaned by 'make clean' and 'make mrproper'
- Fix test program for CONFIG_CC_CAN_LINK to avoid a warning, which is
made fatal by -Werror
- Drop explicit LZMA parallel compression in scripts/make_fit.py
- Several fixes for commit 62089b8048 ("kbuild: rpm-pkg: Generate
debuginfo package manually")
* tag 'kbuild-fixes-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: rpm-pkg: Disable automatic requires for manual debuginfo package
kbuild: rpm-pkg: Fix manual debuginfo generation when using .src.rpm
kernel: rpm-pkg: Restore find-debuginfo.sh approach to -debuginfo package
kbuild: rpm-pkg: Restrict manual debug package creation
scripts/make_fit.py: Drop explicit LZMA parallel compression
kbuild: Fix CC_CAN_LINK detection
kbuild: Add objtool to top-level clean target
Ihor Solodrai says:
====================
libbpf: Remove extern declaration of bpf_stream_vprintk()
The first patch adjusts a selftest that has been using
bpf_stream_printk() macro. The second patch removes the declaration.
====================
Link: https://patch.msgid.link/20260218215651.2057673-1-ihor.solodrai@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
An issue was reported that building BPF program which includes both
vmlinux.h and bpf_helpers.h from libbpf fails due to conflicting
declarations of bpf_stream_vprintk().
Remove the extern declaration from bpf_helpers.h to address this.
In order to use bpf_stream_printk() macro, BPF programs are expected
to either include vmlinux.h of the kernel they are targeting, or add
their own extern declaration.
Reported-by: Luca Boccassi <luca.boccassi@gmail.com>
Closes: https://github.com/libbpf/libbpf/issues/947
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Link: https://lore.kernel.org/r/20260218215651.2057673-3-ihor.solodrai@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
- Replace linux/* includes with vmlinux.h
- Include errno.h
- Include bpf_tracing_net.h for TC_ACT_* and ETH_*
- Use BPF_STDERR instead of BPF_STREAM_STDERR
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Link: https://lore.kernel.org/r/20260218215651.2057673-2-ihor.solodrai@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Fix sysfs group leak on DLVR registration failure in the Intel
int340x thermal driver (Kaushlendra Kumar)
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Merge tag 'thermal-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"This fixes a sysfs group leak on DLVR registration failure in the
Intel int340x thermal driver (Kaushlendra Kumar)"
* tag 'thermal-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: int340x: Fix sysfs group leak on DLVR registration failure
- Add an unused power resource handling quirk for THUNDEROBOT ZERO (Zhai
Can)
- Fix remaining for_each_possible_cpu() in the ACPI CPPC library to use
online CPUs (Sean V Kelley)
- Drop redundant checks from the ACPI notify handler and the driver
remove callback in the ACPI battery driver (Rafael Wysocki)
- Move the creation of the wakeup source during the ACPI button driver
probe to an earlier point to avoid missing a wakeup event due to a
race and clean up system wakeup handling and remove callback in that
driver (Rafael Wysocki)
- Drop unnecessary driver_data pointer clearing from the ACPI EC and
SMBUS HC drivers and make the ACPI backlight (video) driver clear the
device's driver_data pointer on remove (Rafael Wysocki)
- Force enabling of PWM2 on the Yogabook YB1-X90 tablets (Yauhen
Kharuzhy)
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Merge tag 'acpi-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI support updates from Rafael J. Wysocki:
"These are mostly fixes and cleanups on top of the ACPI support updates
merged recently, including two new quirks, an ACPI CPPC library fix,
and fixes and cleanups of a few core ACPI device drivers:
- Add an unused power resource handling quirk for THUNDEROBOT ZERO
(Zhai Can)
- Fix remaining for_each_possible_cpu() in the ACPI CPPC library to
use online CPUs (Sean V Kelley)
- Drop redundant checks from the ACPI notify handler and the driver
remove callback in the ACPI battery driver (Rafael Wysocki)
- Move the creation of the wakeup source during the ACPI button
driver probe to an earlier point to avoid missing a wakeup event
due to a race and clean up system wakeup handling and remove
callback in that driver (Rafael Wysocki)
- Drop unnecessary driver_data pointer clearing from the ACPI EC and
SMBUS HC drivers and make the ACPI backlight (video) driver clear
the device's driver_data pointer on remove (Rafael Wysocki)
- Force enabling of PWM2 on the Yogabook YB1-X90 tablets (Yauhen
Kharuzhy)"
* tag 'acpi-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: Add unused power resource quirk for THUNDEROBOT ZERO
ACPI: driver: Drop driver_data pointer clearing from two drivers
ACPI: video: Clear driver_data pointer on remove
ACPI: button: Tweak acpi_button_remove()
ACPI: button: Tweak system wakeup handling
ACPI: battery: Drop redundant checks from acpi_battery_remove()
ACPI: CPPC: Fix remaining for_each_possible_cpu() to use online CPUs
ACPI: x86: Force enabling of PWM2 on the Yogabook YB1-X90
ACPI: button: Call device_init_wakeup() earlier during probe
ACPI: battery: Drop redundant check from acpi_battery_notify()
- Fix the handling of package-scope MSRs in the intel_rapl power
capping driver when called from the PMU subsystem and make it add all
package CPUs to the PMU cpumask to allow tools to read RAPL events
from any CPU in the package (Kuppuswamy Satharayananyan)
- Rework the invalid version check in the intel_rapl_tpmi power capping
driver to account for the fact that on partitioned systems, multiple
TPMI instances may exist per package, but RAPL registers are only
valid on one instance (Kuppuswamy Satharayananyan)
- Describe the new intel_idle.table command line option in the
admin-guide intel_idle documentation (Artem Bityutskiy)
- Fix a crash in the ladder cpuidle governor on systems with only one
(polling) idle state available by making the cpuidle core bypass the
governor in those cases and adjust the other existing governors to
that change (Aboorva Devarajan, Christian Loehle)
- Update kerneldoc comments for wake IRQ management functions that
have not been matching the code (Wang Jiayue)
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Merge tag 'pm-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are mostly fixes on top of the power management updates merged
recently in cpuidle governors, in the Intel RAPL power capping driver
and in the wake IRQ management code:
- Fix the handling of package-scope MSRs in the intel_rapl power
capping driver when called from the PMU subsystem and make it add
all package CPUs to the PMU cpumask to allow tools to read RAPL
events from any CPU in the package (Kuppuswamy Satharayananyan)
- Rework the invalid version check in the intel_rapl_tpmi power
capping driver to account for the fact that on partitioned systems,
multiple TPMI instances may exist per package, but RAPL registers
are only valid on one instance (Kuppuswamy Satharayananyan)
- Describe the new intel_idle.table command line option in the
admin-guide intel_idle documentation (Artem Bityutskiy)
- Fix a crash in the ladder cpuidle governor on systems with only one
(polling) idle state available by making the cpuidle core bypass
the governor in those cases and adjust the other existing governors
to that change (Aboorva Devarajan, Christian Loehle)
- Update kerneldoc comments for wake IRQ management functions that
have not been matching the code (Wang Jiayue)"
* tag 'pm-7.0-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: menu: Remove single state handling
cpuidle: teo: Remove single state handling
cpuidle: haltpoll: Remove single state handling
cpuidle: Skip governor when only one idle state is available
powercap: intel_rapl_tpmi: Remove FW_BUG from invalid version check
PM: sleep: wakeirq: Update outdated documentation comments
Documentation: PM: Document intel_idle.table command line option
powercap: intel_rapl: Expose all package CPUs in PMU cpumask
powercap: intel_rapl: Remove incorrect CPU check in PMU context
I finally got a big endian PPC64 kernel to boot in QEMU. The PPC64 VSX
optimized AES library code does work in that case, with the exception of
rndkey_from_vsx() which doesn't take into account that the order in
which the VSX code stores the round key words depends on the endianness.
So fix rndkey_from_vsx() to do the right thing on big endian CPUs.
Fixes: 7cf2082e74 ("lib/crypto: powerpc/aes: Migrate POWER8 optimized code into library")
Link: https://lore.kernel.org/r/20260216022104.332991-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Smatch static checker warning:
security/apparmor/policy_unpack.c:966 unpack_pdb()
warn: unsigned 'unpack_tags(e, &pdb->tags, info)' is never less than zero.
unpack_tags() is declared with return type size_t (unsigned) but returns
negative errno values on failure. The caller in unpack_pdb() tests the
return with `< 0`, which is always false for an unsigned type, making
error handling dead code. Malformed tag data would be silently accepted
instead of causing a load failure.
Change return type of unpack_tags() from size_t to int to match the
functions's actual semantic.
Fixes: 3d28e2397a ("apparmor: add support loading per permission tagging")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Massimiliano Pellizzer <mpellizzer.dev@gmail.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Merge additional updates of multiple core ACPI device drivers (battery,
button, video, EC, SMBUS HC) for 7.0-rc1:
- Drop redundant checks from the ACPI notify handler and the driver
remove callback in the ACPI battery driver (Rafael Wysocki)
- Move the creation of the wakeup source during the ACPI button driver
probe to an earlier point to avoid missing a wakeup event due to a
race and clean up system wakeup handling and remove callback in that
driver (Rafael Wysocki)
- Drop unnecessary driver_data pointer clearing from the ACPI EC and
SMBUS HC drivers and make the ACPI backlight (video) driver clear the
device's driver_data pointer on remove (Rafael Wysocki)
* acpi-battery:
ACPI: battery: Drop redundant checks from acpi_battery_remove()
ACPI: battery: Drop redundant check from acpi_battery_notify()
* acpi-button:
ACPI: button: Tweak acpi_button_remove()
ACPI: button: Tweak system wakeup handling
ACPI: button: Call device_init_wakeup() earlier during probe
* acpi-driver:
ACPI: driver: Drop driver_data pointer clearing from two drivers
ACPI: video: Clear driver_data pointer on remove
Merge an ACPI power management update and an ACPI CPPC library update
for 7.0-rc1:
- Add an unused power resource handling quirk for THUNDEROBOT ZERO (Zhai
Can)
- Fix remaining for_each_possible_cpu() in the ACPI CPPC library to use
online CPUs (Sean V Kelley)
* acpi-pm:
ACPI: PM: Add unused power resource quirk for THUNDEROBOT ZERO
* acpi-cppc:
ACPI: CPPC: Fix remaining for_each_possible_cpu() to use online CPUs
Merge additional power capping and cpuidle updates for 7.0-rc1:
- Fix the handling of package-scope MSRs in the intel_rapl power
capping driver when called from the PMU subsystem and make it add all
package CPUs to the PMU cpumask to allow tools to read RAPL events
from any CPU in the package (Kuppuswamy Sathyanarayanan)
- Rework the invalid version check in the intel_rapl_tpmi power capping
driver to account for the fact that on partitioned systems, multiple
TPMI instances may exist per package, but RAPL registers are only
valid on one instance (Kuppuswamy Satharayananyan)
- Describe the new intel_idle.table command line option in the
admin-guide intel_idle documentation (Artem Bityutskiy)
- Fix a crash in the ladder cpuidle governor on systems with only one
(polling) idle state available by making the cpuidle core bypass the
governor in those cases and adjust the other existing governors to
that change (Aboorva Devarajan, Christian Loehle)
* pm-powercap:
powercap: intel_rapl_tpmi: Remove FW_BUG from invalid version check
powercap: intel_rapl: Expose all package CPUs in PMU cpumask
powercap: intel_rapl: Remove incorrect CPU check in PMU context
* pm-cpuidle:
cpuidle: menu: Remove single state handling
cpuidle: teo: Remove single state handling
cpuidle: haltpoll: Remove single state handling
cpuidle: Skip governor when only one idle state is available
Documentation: PM: Document intel_idle.table command line option
* Removed macros from proc handler converters
Replace the proc converter macros with "regular" functions. Though it is more
verbose than the macro version, it helps when debugging and better aligns with
coding-style.rst.
* General cleanup
Remove superfluous ctl_table forward declarations. Const qualify the
memory_allocation_profiling_sysctl and loadpin_sysctl_table arrays. Add
missing kernel doc to proc_dointvec_conv.
* Testing
This series was run through sysctl selftests/kunit test suite in
x86_64. And went into linux-next after rc4, giving it a good 3 weeks of
testing
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Merge tag 'sysctl-7.00-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Remove macros from proc handler converters
Replace the proc converter macros with "regular" functions. Though it
is more verbose than the macro version, it helps when debugging and
better aligns with coding-style.rst.
- General cleanup
Remove superfluous ctl_table forward declarations. Const qualify the
memory_allocation_profiling_sysctl and loadpin_sysctl_table arrays.
Add missing kernel doc to proc_dointvec_conv.
- Testing
This series was run through sysctl selftests/kunit test suite in
x86_64. And went into linux-next after rc4, giving it a good 3 weeks
of testing
* tag 'sysctl-7.00-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
sysctl: replace SYSCTL_INT_CONV_CUSTOM macro with functions
sysctl: Replace unidirectional INT converter macros with functions
sysctl: Add kernel doc to proc_douintvec_conv
sysctl: Replace UINT converter macros with functions
sysctl: Add CONFIG_PROC_SYSCTL guards for converter macros
sysctl: clarify proc_douintvec_minmax doc
sysctl: Return -ENOSYS from proc_douintvec_conv when CONFIG_PROC_SYSCTL=n
sysctl: Remove unused ctl_table forward declarations
loadpin: Implement custom proc_handler for enforce
alloc_tag: move memory_allocation_profiling_sysctls into .rodata
sysctl: Add missing kernel-doc for proc_dointvec_conv
The io_zcrx_put_niov_uref() function uses a non-atomic
check-then-decrement pattern (atomic_read followed by separate
atomic_dec) to manipulate user_refs. This is serialized against other
callers by rq_lock, but io_zcrx_scrub() modifies the same counter with
atomic_xchg() WITHOUT holding rq_lock.
On SMP systems, the following race exists:
CPU0 (refill, holds rq_lock) CPU1 (scrub, no rq_lock)
put_niov_uref:
atomic_read(uref) - 1
// window opens
atomic_xchg(uref, 0) - 1
return_niov_freelist(niov) [PUSH #1]
// window closes
atomic_dec(uref) - wraps to -1
returns true
return_niov(niov)
return_niov_freelist(niov) [PUSH #2: DOUBLE-FREE]
The same niov is pushed to the freelist twice, causing free_count to
exceed nr_iovs. Subsequent freelist pushes then perform an out-of-bounds
write (a u32 value) past the kvmalloc'd freelist array into the adjacent
slab object.
Fix this by replacing the non-atomic read-then-dec in
io_zcrx_put_niov_uref() with an atomic_try_cmpxchg loop that atomically
tests and decrements user_refs. This makes the operation safe against
concurrent atomic_xchg from scrub without requiring scrub to acquire
rq_lock.
Fixes: 34a3e60821 ("io_uring/zcrx: implement zerocopy receive pp memory provider")
Cc: stable@vger.kernel.org
Signed-off-by: Kai Aizen <kai@snailsploit.com>
[pavel: removed a warning and a comment]
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In the original txt format binding document ak4458.txt, the supply names
are 'AVDD-supply', 'DVDD-supply', and they are also used in driver. But in
the commit converting to yaml format, they are changed to 'avdd-supply',
'dvdd-supply'. After search all the dts file, these names 'AVDD-supply',
'DVDD-supply', 'avdd-supply', 'dvdd-supply' are not used in any dts
file. So it is safe to fix the yaml binding document.
Fixes: 829d78e3ea ("ASoC: dt-bindings: ak5558: Convert to dtschema")
Cc: stable@vger.kernel.org
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260212021829.3244736-4-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In the original txt format binding document ak4458.txt, the supply names
are 'AVDD-supply', 'DVDD-supply', and they are also used in driver. But in
the commit converting to yaml format, they are changed to 'avdd-supply',
'dvdd-supply'. After search all the dts file, these names 'AVDD-supply',
'DVDD-supply', 'avdd-supply', 'dvdd-supply' are not used in any dts
file. So it is safe to fix this yaml binding document.
Fixes: 009e83b591 ("ASoC: dt-bindings: ak4458: Convert to dtschema")
Cc: stable@vger.kernel.org
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260212021829.3244736-3-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
When including the dai-common.yaml, and allow '#sound-dai-cells' and
"sound-name-prefix' to be used, should use unevaluatedProperties:false
according to writing-bindings.rst.
Fixes: 8d7de4a014 ("ASoC: dt-bindings: asahi-kasei,ak4458: Reference common DAI properties")
Cc: stable@vger.kernel.org
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260212021829.3244736-2-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds a quirk to include the codec amplifier function for Lenovo
models listed in the quirk table.
Note: In these models, the RT722 codec amplifier is excluded, and an
external amplifier is used instead.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20260218104734.3641481-3-Vijendar.Mukunda@amd.com
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds below machine configuration for the ACP7.0 & ACP7.1
platforms.
Link 0: RT1320 amplifier
Link 1: RT722 codec with three endpoints: Headset, Speaker, and DMIC.
Note:
The Speaker endpoint on the RT722 codec is not used.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20260218104734.3641481-2-Vijendar.Mukunda@amd.com
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
nr_cpu_ids / 2 produces stride 0 on a single-CPU system, which later
causes SCX_BUG_ON(i == j) to fire. Validate stride after option
parsing to also catch invalid user-supplied values via -S.
Signed-off-by: David Carlier <devnexen@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Use CPU_SET_S() instead of CPU_SET() on the dynamically allocated
cpuset to avoid a potential out-of-bounds write when nr_cpu_ids
exceeds CPU_SETSIZE.
Also destroy the skeleton before returning on invalid central CPU ID
to prevent a resource leak.
Signed-off-by: David Carlier <devnexen@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
[Why & How]
Sharpness tables are only accessed in dc_spl_isharp_filters source file.
Reviewed-by: Joshua Aberback <joshua.aberback@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Samson Tam <samson.tam@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some GPUs have analog connectors that work with a DP bridge chip
and don't actually have an internal DAC: Those should not use
the analog stream encoders.
Fixes: 5834c33fd3 ("drm/amd/display: Add concept of analog encoders (v2)")
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some GPUs have analog connectors that work with a DP bridge chip
and don't actually have an internal DAC: Those should not use
the analog link encoder code path.
Fixes: 0fbe321a93 ("drm/amd/display: Implement DCE analog link encoders (v2)")
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
DCE 6 should use the DCE 6 specific link encoder.
This was a copy paste mistake.
Fixes: 0fbe321a93 ("drm/amd/display: Implement DCE analog link encoders (v2)")
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
If btrfs_search_slot_for_read() returns 1, it means we did not find any
key greater than or equals to the key we asked for, meaning we have
reached the end of the tree and therefore the path is not valid. If
this happens we need to break out of the loop and stop, instead of
continuing and accessing an invalid path.
Fixes: 5223cc60b4 ("btrfs: drop the path before adding qgroup items when enabling qgroups")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
If the call to btrfs_get_fs_root() returns an error different from -ENOENT
we break out of the loop and then return 0, losing the error. Fix this
by returning the error instead of breaking from the loop.
Reported-by: Chris Mason <clm@meta.com>
Link: https://lore.kernel.org/linux-btrfs/20260208185321.1128472-1-clm@meta.com/
Fixes: 8670a25ecb ("btrfs: use single return variable in btrfs_find_orphan_roots()")
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
If btrfs_update_inode() or del_orphan() fail, we jump to the 'end_trans'
label and then return 0 instead of the error returned by one of those
calls. Fix this and return the error.
Fixes: 61fb7f04ee ("btrfs: remove out label in finish_verity()")
Reported-by: Chris Mason <clm@meta.com>
Link: https://lore.kernel.org/linux-btrfs/20260208161129.3888234-1-clm@meta.com/
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
If the root nodes for the chunk root, tree root or log root are not sector
size aligned, we are logging a warning message but these are in fact
errors that makes the super block validation fail. So change the level of
the messages from warning to error.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
