March 2025 - Linux-stable-mirror

[PATCH 0/2] Add dma-coherent for gs101 UFS dt node

by Peter Griffin

ufs-exynos driver enables the shareability option for gs101 which means the descriptors need to be allocated as cacheable. Fix the DT node and update bindings to add the dma-coherent property. This fixes the UFS stability issues we have seen with the upstream UFS driver. Note this DT fix can go in independently of the other UFS fixes series I sent recently [1], as the bootloader already leaves the sharability bits enabled. regards, Peter [1] https://lore.kernel.org/linux-scsi/20250226220414.343659-1-peter.griffin@li… To: André Draszik <andre.draszik(a)linaro.org> To: Tudor Ambarus <tudor.ambarus(a)linaro.org> To: Rob Herring <robh(a)kernel.org> To: Krzysztof Kozlowski <krzk+dt(a)kernel.org> To: Conor Dooley <conor+dt(a)kernel.org> To: Alim Akhtar <alim.akhtar(a)samsung.com> To: Avri Altman <avri.altman(a)wdc.com> To: Bart Van Assche <bvanassche(a)acm.org> To: Martin K. Petersen <martin.petersen(a)oracle.com> Cc: Krzysztof Kozlowski <krzysztof.kozlowski(a)linaro.org> Cc: linux-arm-kernel(a)lists.infradead.org Cc: linux-samsung-soc(a)vger.kernel.org Cc: devicetree(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Cc: linux-scsi(a)vger.kernel.org Cc: kernel-team(a)android.com Cc: willmcvicker(a)google.com Signed-off-by: Peter Griffin <peter.griffin(a)linaro.org> --- Peter Griffin (2): arm64: dts: exynos: gs101: ufs: add dma-coherent property scsi: ufs: dt-bindings: exynos: add dma-coherent property for gs101 Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 2 ++ arch/arm64/boot/dts/exynos/google/gs101.dtsi | 1 + 2 files changed, 3 insertions(+) --- base-commit: b323d8e7bc03d27dec646bfdccb7d1a92411f189 change-id: 20250314-ufs-dma-coherent-980f2467690d Best regards, -- Peter Griffin <peter.griffin(a)linaro.org>

2 days, 20 hours

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5.10 kernel series fails to build on newer toolchain: FAILED unresolved symbol filp_close

by Philip Müller

For some odd reason 5.10 kernel series doesn't compile with a newer toolchain since 2025-02-09: 2025-02-09T17:32:07.7991299Z GEN .version 2025-02-09T17:32:07.8270062Z CHK include/generated/compile.h 2025-02-09T17:32:07.8540777Z LD vmlinux.o 2025-02-09T17:32:11.7210899Z MODPOST vmlinux.symvers 2025-02-09T17:32:12.0869599Z MODINFO modules.builtin.modinfo 2025-02-09T17:32:12.1403022Z GEN modules.builtin 2025-02-09T17:32:12.1475659Z LD .tmp_vmlinux.btf 2025-02-09T17:32:19.6117204Z BTF .btf.vmlinux.bin.o 2025-02-09T17:32:31.2916650Z LD .tmp_vmlinux.kallsyms1 2025-02-09T17:32:34.8731104Z KSYMS .tmp_vmlinux.kallsyms1.S 2025-02-09T17:32:35.4910608Z AS .tmp_vmlinux.kallsyms1.o 2025-02-09T17:32:35.9662538Z LD .tmp_vmlinux.kallsyms2 2025-02-09T17:32:39.2595984Z KSYMS .tmp_vmlinux.kallsyms2.S 2025-02-09T17:32:39.8802028Z AS .tmp_vmlinux.kallsyms2.o 2025-02-09T17:32:40.3659440Z LD vmlinux 2025-02-09T17:32:48.0031558Z BTFIDS vmlinux 2025-02-09T17:32:48.0143553Z FAILED unresolved symbol filp_close 2025-02-09T17:32:48.5019928Z make: *** [Makefile:1207: vmlinux] Error 255 2025-02-09T17:32:48.5061241Z ==> ERROR: A failure occurred in build(). 5.10.234 built fine couple of days ago with the older one. There were slight changes made. 5.4 and 5.15 still compile. Wonder what might be missing here ... -- Best, Philip

1 week, 1 day

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FAILED: patch "[PATCH] kbuild: rpm-pkg: simplify installkernel %post" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 358de8b4f201bc05712484b15f0109b1ae3516a8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024021932-lavish-expel-58e5@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: 358de8b4f201 ("kbuild: rpm-pkg: simplify installkernel %post") 0df8e9708594 ("scripts: clean up IA-64 code") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 358de8b4f201bc05712484b15f0109b1ae3516a8 Mon Sep 17 00:00:00 2001 From: Jose Ignacio Tornos Martinez <jtornosm(a)redhat.com> Date: Mon, 29 Jan 2024 10:28:19 +0100 Subject: [PATCH] kbuild: rpm-pkg: simplify installkernel %post The new installkernel application that is now included in systemd-udev package allows installation although destination files are already present in the boot directory of the kernel package, but is failing with the implemented workaround for the old installkernel application from grubby package. For the new installkernel application, as Davide says: <<The %post currently does a shuffling dance before calling installkernel. This isn't actually necessary afaict, and the current implementation ends up triggering downstream issues such as https://github.com/systemd/systemd/issues/29568 This commit simplifies the logic to remove the shuffling. For reference, the original logic was added in commit 3c9c7a14b627("rpm-pkg: add %post section to create initramfs and grub hooks").>> But we need to keep the old behavior as well, because the old installkernel application from grubby package, does not allow this simplification and we need to be backward compatible to avoid issues with the different packages. Mimic Fedora shipping process and store vmlinuz, config amd System.map in the module directory instead of the boot directory. In this way, we will avoid the commented problem for all the cases, because the new destination files are not going to exist in the boot directory of the kernel package. Replace installkernel tool with kernel-install tool, because the latter is more complete. Besides, after installkernel tool execution, check to complete if the correct package files vmlinuz, System.map and config files are present in /boot directory, and if necessary, copy manually for install operation. In this way, take into account if files were not previously copied from /usr/lib/kernel/install.d/* scripts and if the suitable files for the requested package are present (it could be others if the rpm files were replace with a new pacakge with the same release and a different build). Tested with Fedora 38, Fedora 39, RHEL 9, Oracle Linux 9.3, openSUSE Tumbleweed and openMandrive ROME, using dnf/zypper and rpm tools. cc: stable(a)vger.kernel.org Co-Developed-by: Davide Cavalca <dcavalca(a)meta.com> Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm(a)redhat.com> Signed-off-by: Masahiro Yamada <masahiroy(a)kernel.org> diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec index 89298983a169..f58726671fb3 100644 --- a/scripts/package/kernel.spec +++ b/scripts/package/kernel.spec @@ -55,12 +55,12 @@ patch -p1 < %{SOURCE2} %{make} %{makeflags} KERNELRELEASE=%{KERNELRELEASE} KBUILD_BUILD_VERSION=%{release} %install -mkdir -p %{buildroot}/boot -cp $(%{make} %{makeflags} -s image_name) %{buildroot}/boot/vmlinuz-%{KERNELRELEASE} +mkdir -p %{buildroot}/lib/modules/%{KERNELRELEASE} +cp $(%{make} %{makeflags} -s image_name) %{buildroot}/lib/modules/%{KERNELRELEASE}/vmlinuz %{make} %{makeflags} INSTALL_MOD_PATH=%{buildroot} modules_install %{make} %{makeflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install -cp System.map %{buildroot}/boot/System.map-%{KERNELRELEASE} -cp .config %{buildroot}/boot/config-%{KERNELRELEASE} +cp System.map %{buildroot}/lib/modules/%{KERNELRELEASE} +cp .config %{buildroot}/lib/modules/%{KERNELRELEASE}/config ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEASE}/build %if %{with_devel} %{make} %{makeflags} run-command KBUILD_RUN_COMMAND='${srctree}/scripts/package/install-extmod-build %{buildroot}/usr/src/kernels/%{KERNELRELEASE}' @@ -70,13 +70,14 @@ ln -fns /usr/src/kernels/%{KERNELRELEASE} %{buildroot}/lib/modules/%{KERNELRELEA rm -rf %{buildroot} %post -if [ -x /sbin/installkernel -a -r /boot/vmlinuz-%{KERNELRELEASE} -a -r /boot/System.map-%{KERNELRELEASE} ]; then -cp /boot/vmlinuz-%{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm -cp /boot/System.map-%{KERNELRELEASE} /boot/.System.map-%{KERNELRELEASE}-rpm -rm -f /boot/vmlinuz-%{KERNELRELEASE} /boot/System.map-%{KERNELRELEASE} -/sbin/installkernel %{KERNELRELEASE} /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm -rm -f /boot/.vmlinuz-%{KERNELRELEASE}-rpm /boot/.System.map-%{KERNELRELEASE}-rpm +if [ -x /usr/bin/kernel-install ]; then + /usr/bin/kernel-install add %{KERNELRELEASE} /lib/modules/%{KERNELRELEASE}/vmlinuz fi +for file in vmlinuz System.map config; do + if ! cmp --silent "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}"; then + cp "/lib/modules/%{KERNELRELEASE}/${file}" "/boot/${file}-%{KERNELRELEASE}" + fi +done %preun if [ -x /sbin/new-kernel-pkg ]; then @@ -94,7 +95,6 @@ fi %defattr (-, root, root) /lib/modules/%{KERNELRELEASE} %exclude /lib/modules/%{KERNELRELEASE}/build -/boot/* %files headers %defattr (-, root, root)

1 week, 2 days

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FAILED: patch "[PATCH] iio: dac: ad3552r-common: fix ad3541/2r ranges" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 1e758b613212b6964518a67939535910b5aee831 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025021010-antarctic-untried-a72b@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 1e758b613212b6964518a67939535910b5aee831 Mon Sep 17 00:00:00 2001 From: Angelo Dureghello <adureghello(a)baylibre.com> Date: Wed, 8 Jan 2025 18:29:15 +0100 Subject: [PATCH] iio: dac: ad3552r-common: fix ad3541/2r ranges Fix ad3541/2r voltage ranges to be as per ad3542r datasheet, rev. C, table 38 (page 57). The wrong ad354xr ranges was generating erroneous Vpp output. In more details: - fix wrong number of ranges, they are 5 ranges, not 6, - remove non-existent 0-3V range, - adjust order, since ad3552r_find_range() get a wrong index, producing a wrong Vpp as output. Retested all the ranges on real hardware, EVALAD3542RFMCZ: adi,output-range-microvolt (fdt): <(000000) (2500000)>; ok (Rfbx1, switch 10) <(000000) (5000000)>; ok (Rfbx1, switch 10) <(000000) (10000000)>; ok (Rfbx1, switch 10) <(-5000000) (5000000)>; ok (Rfbx2, switch +/- 5) <(-2500000) (7500000)>; ok (Rfbx2, switch -2.5/7.5) Fixes: 8f2b54824b28 ("drivers:iio:dac: Add AD3552R driver support") Signed-off-by: Angelo Dureghello <adureghello(a)baylibre.com> Reviewed-by: David Lechner <dlechner(a)baylibre.com> Link: https://patch.msgid.link/20250108-wip-bl-ad3552r-axi-v0-iio-testing-carlos-… Cc: <Stable(a)vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron(a)huawei.com> diff --git a/drivers/iio/dac/ad3552r-common.c b/drivers/iio/dac/ad3552r-common.c index 0f495df2e5ce..03e0864f5084 100644 --- a/drivers/iio/dac/ad3552r-common.c +++ b/drivers/iio/dac/ad3552r-common.c @@ -22,11 +22,10 @@ EXPORT_SYMBOL_NS_GPL(ad3552r_ch_ranges, "IIO_AD3552R"); const s32 ad3542r_ch_ranges[AD3542R_MAX_RANGES][2] = { [AD3542R_CH_OUTPUT_RANGE_0__2P5V] = { 0, 2500 }, - [AD3542R_CH_OUTPUT_RANGE_0__3V] = { 0, 3000 }, [AD3542R_CH_OUTPUT_RANGE_0__5V] = { 0, 5000 }, [AD3542R_CH_OUTPUT_RANGE_0__10V] = { 0, 10000 }, - [AD3542R_CH_OUTPUT_RANGE_NEG_2P5__7P5V] = { -2500, 7500 }, - [AD3542R_CH_OUTPUT_RANGE_NEG_5__5V] = { -5000, 5000 } + [AD3542R_CH_OUTPUT_RANGE_NEG_5__5V] = { -5000, 5000 }, + [AD3542R_CH_OUTPUT_RANGE_NEG_2P5__7P5V] = { -2500, 7500 } }; EXPORT_SYMBOL_NS_GPL(ad3542r_ch_ranges, "IIO_AD3552R"); diff --git a/drivers/iio/dac/ad3552r.h b/drivers/iio/dac/ad3552r.h index fd5a3dfd1d1c..4b5581039ae9 100644 --- a/drivers/iio/dac/ad3552r.h +++ b/drivers/iio/dac/ad3552r.h @@ -131,7 +131,7 @@ #define AD3552R_CH1_ACTIVE BIT(1) #define AD3552R_MAX_RANGES 5 -#define AD3542R_MAX_RANGES 6 +#define AD3542R_MAX_RANGES 5 #define AD3552R_QUAD_SPI 2 extern const s32 ad3552r_ch_ranges[AD3552R_MAX_RANGES][2]; @@ -189,16 +189,14 @@ enum ad3552r_ch_vref_select { enum ad3542r_ch_output_range { /* Range from 0 V to 2.5 V. Requires Rfb1x connection */ AD3542R_CH_OUTPUT_RANGE_0__2P5V, - /* Range from 0 V to 3 V. Requires Rfb1x connection */ - AD3542R_CH_OUTPUT_RANGE_0__3V, /* Range from 0 V to 5 V. Requires Rfb1x connection */ AD3542R_CH_OUTPUT_RANGE_0__5V, /* Range from 0 V to 10 V. Requires Rfb2x connection */ AD3542R_CH_OUTPUT_RANGE_0__10V, - /* Range from -2.5 V to 7.5 V. Requires Rfb2x connection */ - AD3542R_CH_OUTPUT_RANGE_NEG_2P5__7P5V, /* Range from -5 V to 5 V. Requires Rfb2x connection */ AD3542R_CH_OUTPUT_RANGE_NEG_5__5V, + /* Range from -2.5 V to 7.5 V. Requires Rfb2x connection */ + AD3542R_CH_OUTPUT_RANGE_NEG_2P5__7P5V, }; enum ad3552r_ch_output_range {

2 weeks, 6 days

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[PATCH v3 0/3] m68k: Bug fix and cleanup for framebuffer debug console

by Finn Thain

This series has a bug fix for the early bootconsole as well as some related efficiency improvements and cleanup. The relevant code is subject to CONSOLE_DEBUG, which is presently only used with CONFIG_MAC. To test this series (in qemu-system-m68k, for example) it's helpful to enable CONFIG_EARLY_PRINTK and CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER and boot with kernel parameters 'console=ttyS0 earlyprintk keep_bootcon'. --- Changed since v1: - Solved problem with line wrap while scrolling. - Added two additional patches. Changed since v2: - Adopted addq and subq as suggested by Andreas. Finn Thain (3): m68k: Fix lost column on framebuffer debug console m68k: Avoid pointless recursion in debug console rendering m68k: Remove unused "cursor home" code from debug console arch/m68k/kernel/head.S | 73 +++++++++++++++++++++-------------------- 1 file changed, 37 insertions(+), 36 deletions(-) -- 2.45.3

3 weeks

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[PATCH 0/1] disable __counted_by for clang < 19.1.3

by Jan Hendrik Farr

Hi Kees, Bill's PR to disable __counted_by for "whole struct" __bdos cases has now been merged into 19.1.3 [1], so here's the patch to disable __counted_by for clang versions < 19.1.3 in the kernel. Hopefully in the near future __counted_by for whole struct __bdos can be enabled once again in coordination between the kernel, gcc, and clang. There has been recent progress on this in [2] thanks to Tavian. Also see previous discussion on the mailing list [3] Thanks to everyone for moving this issue along. In particular, Bill for his PR to clang/llvm, Kees and Thorsten for reproducers of the two issues, Nathan for Kconfig-ifying this patch, and Miguel for reviewing. Info for the stable team: This patch should be backported to kernels >= 6.6 to make sure that those build correctly with the effected clang versions. This patch cherry-picks cleanly onto linux-6.11.y. For linux-6.6.y three prerequiste commits are neded: 16c31dd7fdf6: Compiler Attributes: counted_by: bump min gcc version 2993eb7a8d34: Compiler Attributes: counted_by: fixup clang URL 231dc3f0c936: lkdtm/bugs: Improve warning message for compilers without counted_by support There are still two merge conflicts even with those prerequistes. Here's the correct resolution: 1. include/linux/compiler_types.h: use the incoming change until before (but not including) the "Apply __counted_by() when the Endianness matches to increase test coverage." comment 2. lib/overflow_kunit.c: HEAD is correct [1] https://github.com/llvm/llvm-project/pull/112786 [2] https://github.com/llvm/llvm-project/pull/112636 [3] https://lore.kernel.org/lkml/3E304FB2-799D-478F-889A-CDFC1A52DCD8@toblux.co… Best Regards Jan Jan Hendrik Farr (1): Compiler Attributes: disable __counted_by for clang < 19.1.3 drivers/misc/lkdtm/bugs.c | 2 +- include/linux/compiler_attributes.h | 13 ------------- include/linux/compiler_types.h | 19 +++++++++++++++++++ init/Kconfig | 9 +++++++++ lib/overflow_kunit.c | 2 +- 5 files changed, 30 insertions(+), 15 deletions(-) -- 2.47.0

3 weeks

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[PATCH] wifi: ath12k: fix ring-buffer corruption

by Johan Hovold

Users of the Lenovo ThinkPad X13s have reported that Wi-Fi sometimes breaks and the log fills up with errors like: ath11k_pci 0006:01:00.0: HTC Rx: insufficient length, got 1484, expected 1492 ath11k_pci 0006:01:00.0: HTC Rx: insufficient length, got 1460, expected 1484 which based on a quick look at the ath11k driver seemed to indicate some kind of ring-buffer corruption. Miaoqing Pan tracked it down to the host seeing the updated destination ring head pointer before the updated descriptor, and the error handling for that in turn leaves the ring buffer in an inconsistent state. While this has not yet been observed with ath12k, the ring-buffer implementation is very similar to the ath11k one and it suffers from the same bugs. Add the missing memory barrier to make sure that the descriptor is read after the head pointer to address the root cause of the corruption while fixing up the error handling in case there are ever any (ordering) bugs on the device side. Note that the READ_ONCE() are only needed to avoid compiler mischief in case the ring-buffer helpers are ever inlined. Tested-on: WCN7850 hw2.0 WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Cc: stable(a)vger.kernel.org # 6.3 Link: https://bugzilla.kernel.org/show_bug.cgi?id=218623 Link: https://lore.kernel.org/20250310010217.3845141-3-quic_miaoqing@quicinc.com Cc: Miaoqing Pan <quic_miaoqing(a)quicinc.com> Signed-off-by: Johan Hovold <johan+linaro(a)kernel.org> --- drivers/net/wireless/ath/ath12k/ce.c | 11 +++++------ drivers/net/wireless/ath/ath12k/hal.c | 4 ++-- 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/ce.c b/drivers/net/wireless/ath/ath12k/ce.c index be0d669d31fc..740586fe49d1 100644 --- a/drivers/net/wireless/ath/ath12k/ce.c +++ b/drivers/net/wireless/ath/ath12k/ce.c @@ -343,11 +343,10 @@ static int ath12k_ce_completed_recv_next(struct ath12k_ce_pipe *pipe, goto err; } + /* Make sure descriptor is read after the head pointer. */ + dma_rmb(); + *nbytes = ath12k_hal_ce_dst_status_get_length(desc); - if (*nbytes == 0) { - ret = -EIO; - goto err; - } *skb = pipe->dest_ring->skb[sw_index]; pipe->dest_ring->skb[sw_index] = NULL; @@ -380,8 +379,8 @@ static void ath12k_ce_recv_process_cb(struct ath12k_ce_pipe *pipe) dma_unmap_single(ab->dev, ATH12K_SKB_RXCB(skb)->paddr, max_nbytes, DMA_FROM_DEVICE); - if (unlikely(max_nbytes < nbytes)) { - ath12k_warn(ab, "rxed more than expected (nbytes %d, max %d)", + if (unlikely(max_nbytes < nbytes || nbytes == 0)) { + ath12k_warn(ab, "unexpected rx length (nbytes %d, max %d)", nbytes, max_nbytes); dev_kfree_skb_any(skb); continue; diff --git a/drivers/net/wireless/ath/ath12k/hal.c b/drivers/net/wireless/ath/ath12k/hal.c index cd59ff8e6c7b..91d5126ca149 100644 --- a/drivers/net/wireless/ath/ath12k/hal.c +++ b/drivers/net/wireless/ath/ath12k/hal.c @@ -1962,7 +1962,7 @@ u32 ath12k_hal_ce_dst_status_get_length(struct hal_ce_srng_dst_status_desc *desc { u32 len; - len = le32_get_bits(desc->flags, HAL_CE_DST_STATUS_DESC_FLAGS_LEN); + len = le32_get_bits(READ_ONCE(desc->flags), HAL_CE_DST_STATUS_DESC_FLAGS_LEN); desc->flags &= ~cpu_to_le32(HAL_CE_DST_STATUS_DESC_FLAGS_LEN); return len; @@ -2132,7 +2132,7 @@ void ath12k_hal_srng_access_begin(struct ath12k_base *ab, struct hal_srng *srng) srng->u.src_ring.cached_tp = *(volatile u32 *)srng->u.src_ring.tp_addr; else - srng->u.dst_ring.cached_hp = *srng->u.dst_ring.hp_addr; + srng->u.dst_ring.cached_hp = READ_ONCE(*srng->u.dst_ring.hp_addr); } /* Update cached ring head/tail pointers to HW. ath12k_hal_srng_access_begin() -- 2.48.1

1 month

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[PATCH] asm-generic/io.h: Skip trace helpers if rwmmio events are disabled

by Varad Gautam

With `CONFIG_TRACE_MMIO_ACCESS=y`, the `{read,write}{b,w,l,q}{_relaxed}()` mmio accessors unconditionally call `log_{post_}{read,write}_mmio()` helpers, which in turn call the ftrace ops for `rwmmio` trace events This adds a performance penalty per mmio accessor call, even when `rwmmio` events are disabled at runtime (~80% overhead on local measurement). Guard these with `tracepoint_enabled()`. Signed-off-by: Varad Gautam <varadgautam(a)google.com> Fixes: 210031971cdd ("asm-generic/io: Add logging support for MMIO accessors") Cc: <stable(a)vger.kernel.org> --- include/asm-generic/io.h | 98 +++++++++++++++++++++++++++------------- 1 file changed, 66 insertions(+), 32 deletions(-) diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 3c61c29ff6ab..a9b5da547523 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -75,6 +75,7 @@ #if IS_ENABLED(CONFIG_TRACE_MMIO_ACCESS) && !(defined(__DISABLE_TRACE_MMIO__)) #include <linux/tracepoint-defs.h> +#define rwmmio_tracepoint_enabled(tracepoint) tracepoint_enabled(tracepoint) DECLARE_TRACEPOINT(rwmmio_write); DECLARE_TRACEPOINT(rwmmio_post_write); DECLARE_TRACEPOINT(rwmmio_read); @@ -91,6 +92,7 @@ void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr, #else +#define rwmmio_tracepoint_enabled(tracepoint) false static inline void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr, unsigned long caller_addr, unsigned long caller_addr0) {} static inline void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr, @@ -189,11 +191,13 @@ static inline u8 readb(const volatile void __iomem *addr) { u8 val; - log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __raw_readb(addr); __io_ar(val); - log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -204,11 +208,13 @@ static inline u16 readw(const volatile void __iomem *addr) { u16 val; - log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le16_to_cpu((__le16 __force)__raw_readw(addr)); __io_ar(val); - log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -219,11 +225,13 @@ static inline u32 readl(const volatile void __iomem *addr) { u32 val; - log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le32_to_cpu((__le32 __force)__raw_readl(addr)); __io_ar(val); - log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -235,11 +243,13 @@ static inline u64 readq(const volatile void __iomem *addr) { u64 val; - log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); __io_br(); val = __le64_to_cpu((__le64 __force)__raw_readq(addr)); __io_ar(val); - log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -249,11 +259,13 @@ static inline u64 readq(const volatile void __iomem *addr) #define writeb writeb static inline void writeb(u8 value, volatile void __iomem *addr) { - log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writeb(value, addr); __io_aw(); - log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); } #endif @@ -261,11 +273,13 @@ static inline void writeb(u8 value, volatile void __iomem *addr) #define writew writew static inline void writew(u16 value, volatile void __iomem *addr) { - log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writew((u16 __force)cpu_to_le16(value), addr); __io_aw(); - log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); } #endif @@ -273,11 +287,13 @@ static inline void writew(u16 value, volatile void __iomem *addr) #define writel writel static inline void writel(u32 value, volatile void __iomem *addr) { - log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writel((u32 __force)__cpu_to_le32(value), addr); __io_aw(); - log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); } #endif @@ -286,11 +302,13 @@ static inline void writel(u32 value, volatile void __iomem *addr) #define writeq writeq static inline void writeq(u64 value, volatile void __iomem *addr) { - log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); __io_bw(); __raw_writeq((u64 __force)__cpu_to_le64(value), addr); __io_aw(); - log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); } #endif #endif /* CONFIG_64BIT */ @@ -306,9 +324,11 @@ static inline u8 readb_relaxed(const volatile void __iomem *addr) { u8 val; - log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(8, addr, _THIS_IP_, _RET_IP_); val = __raw_readb(addr); - log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 8, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -319,9 +339,11 @@ static inline u16 readw_relaxed(const volatile void __iomem *addr) { u16 val; - log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(16, addr, _THIS_IP_, _RET_IP_); val = __le16_to_cpu((__le16 __force)__raw_readw(addr)); - log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 16, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -332,9 +354,11 @@ static inline u32 readl_relaxed(const volatile void __iomem *addr) { u32 val; - log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(32, addr, _THIS_IP_, _RET_IP_); val = __le32_to_cpu((__le32 __force)__raw_readl(addr)); - log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 32, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -345,9 +369,11 @@ static inline u64 readq_relaxed(const volatile void __iomem *addr) { u64 val; - log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_read)) + log_read_mmio(64, addr, _THIS_IP_, _RET_IP_); val = __le64_to_cpu((__le64 __force)__raw_readq(addr)); - log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_read)) + log_post_read_mmio(val, 64, addr, _THIS_IP_, _RET_IP_); return val; } #endif @@ -356,9 +382,11 @@ static inline u64 readq_relaxed(const volatile void __iomem *addr) #define writeb_relaxed writeb_relaxed static inline void writeb_relaxed(u8 value, volatile void __iomem *addr) { - log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); __raw_writeb(value, addr); - log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 8, addr, _THIS_IP_, _RET_IP_); } #endif @@ -366,9 +394,11 @@ static inline void writeb_relaxed(u8 value, volatile void __iomem *addr) #define writew_relaxed writew_relaxed static inline void writew_relaxed(u16 value, volatile void __iomem *addr) { - log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); __raw_writew((u16 __force)cpu_to_le16(value), addr); - log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 16, addr, _THIS_IP_, _RET_IP_); } #endif @@ -376,9 +406,11 @@ static inline void writew_relaxed(u16 value, volatile void __iomem *addr) #define writel_relaxed writel_relaxed static inline void writel_relaxed(u32 value, volatile void __iomem *addr) { - log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); __raw_writel((u32 __force)__cpu_to_le32(value), addr); - log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 32, addr, _THIS_IP_, _RET_IP_); } #endif @@ -386,9 +418,11 @@ static inline void writel_relaxed(u32 value, volatile void __iomem *addr) #define writeq_relaxed writeq_relaxed static inline void writeq_relaxed(u64 value, volatile void __iomem *addr) { - log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_write)) + log_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); __raw_writeq((u64 __force)__cpu_to_le64(value), addr); - log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); + if (rwmmio_tracepoint_enabled(rwmmio_post_write)) + log_post_write_mmio(value, 64, addr, _THIS_IP_, _RET_IP_); } #endif -- 2.49.0.472.ge94155a9ec-goog

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FAILED: patch "[PATCH] Input: iqs7222 - preserve system status register" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x a2add513311b48cc924a699a8174db2c61ed5e8a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025031607-striking-creasing-c69c@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From a2add513311b48cc924a699a8174db2c61ed5e8a Mon Sep 17 00:00:00 2001 From: Jeff LaBundy <jeff(a)labundy.com> Date: Sun, 9 Mar 2025 20:29:59 -0500 Subject: [PATCH] Input: iqs7222 - preserve system status register Some register groups reserve a byte at the end of their continuous address space. Depending on the variant of silicon, this field may share the same memory space as the lower byte of the system status register (0x10). In these cases, caching the reserved byte and writing it later may effectively reset the device depending on what happened in between the read and write operations. Solve this problem by avoiding any access to this last byte within offending register groups. This method replaces a workaround which attempted to write the reserved byte with up-to-date contents, but left a small window in which updates by the device could have been clobbered. Now that the driver does not touch these reserved bytes, the order in which the device's registers are written no longer matters, and they can be written in their natural order. The new method is also much more generic, and can be more easily extended to new variants of silicon with different register maps. As part of this change, the register read and write functions must be gently updated to support byte access instead of word access. Fixes: 2e70ef525b73 ("Input: iqs7222 - acknowledge reset before writing registers") Signed-off-by: Jeff LaBundy <jeff(a)labundy.com> Link: https://lore.kernel.org/r/Z85Alw+d9EHKXx2e@nixie71 Cc: stable(a)vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov(a)gmail.com> diff --git a/drivers/input/misc/iqs7222.c b/drivers/input/misc/iqs7222.c index 22022d11470d..80b917944b51 100644 --- a/drivers/input/misc/iqs7222.c +++ b/drivers/input/misc/iqs7222.c @@ -100,11 +100,11 @@ enum iqs7222_reg_key_id { enum iqs7222_reg_grp_id { IQS7222_REG_GRP_STAT, - IQS7222_REG_GRP_FILT, IQS7222_REG_GRP_CYCLE, IQS7222_REG_GRP_GLBL, IQS7222_REG_GRP_BTN, IQS7222_REG_GRP_CHAN, + IQS7222_REG_GRP_FILT, IQS7222_REG_GRP_SLDR, IQS7222_REG_GRP_TPAD, IQS7222_REG_GRP_GPIO, @@ -286,6 +286,7 @@ static const struct iqs7222_event_desc iqs7222_tp_events[] = { struct iqs7222_reg_grp_desc { u16 base; + u16 val_len; int num_row; int num_col; }; @@ -342,6 +343,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAC00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -400,6 +402,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAC00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -454,6 +457,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xC400, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -496,6 +500,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xC400, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -543,6 +548,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAA00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -600,6 +606,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAA00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -656,6 +663,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAE00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -712,6 +720,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAE00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -768,6 +777,7 @@ static const struct iqs7222_dev_desc iqs7222_devs[] = { }, [IQS7222_REG_GRP_FILT] = { .base = 0xAE00, + .val_len = 3, .num_row = 1, .num_col = 2, }, @@ -1604,7 +1614,7 @@ static int iqs7222_force_comms(struct iqs7222_private *iqs7222) } static int iqs7222_read_burst(struct iqs7222_private *iqs7222, - u16 reg, void *val, u16 num_val) + u16 reg, void *val, u16 val_len) { u8 reg_buf[sizeof(__be16)]; int ret, i; @@ -1619,7 +1629,7 @@ static int iqs7222_read_burst(struct iqs7222_private *iqs7222, { .addr = client->addr, .flags = I2C_M_RD, - .len = num_val * sizeof(__le16), + .len = val_len, .buf = (u8 *)val, }, }; @@ -1675,7 +1685,7 @@ static int iqs7222_read_word(struct iqs7222_private *iqs7222, u16 reg, u16 *val) __le16 val_buf; int error; - error = iqs7222_read_burst(iqs7222, reg, &val_buf, 1); + error = iqs7222_read_burst(iqs7222, reg, &val_buf, sizeof(val_buf)); if (error) return error; @@ -1685,10 +1695,9 @@ static int iqs7222_read_word(struct iqs7222_private *iqs7222, u16 reg, u16 *val) } static int iqs7222_write_burst(struct iqs7222_private *iqs7222, - u16 reg, const void *val, u16 num_val) + u16 reg, const void *val, u16 val_len) { int reg_len = reg > U8_MAX ? sizeof(reg) : sizeof(u8); - int val_len = num_val * sizeof(__le16); int msg_len = reg_len + val_len; int ret, i; struct i2c_client *client = iqs7222->client; @@ -1747,7 +1756,7 @@ static int iqs7222_write_word(struct iqs7222_private *iqs7222, u16 reg, u16 val) { __le16 val_buf = cpu_to_le16(val); - return iqs7222_write_burst(iqs7222, reg, &val_buf, 1); + return iqs7222_write_burst(iqs7222, reg, &val_buf, sizeof(val_buf)); } static int iqs7222_ati_trigger(struct iqs7222_private *iqs7222) @@ -1831,30 +1840,14 @@ static int iqs7222_dev_init(struct iqs7222_private *iqs7222, int dir) /* * Acknowledge reset before writing any registers in case the device - * suffers a spurious reset during initialization. Because this step - * may change the reserved fields of the second filter beta register, - * its cache must be updated. - * - * Writing the second filter beta register, in turn, may clobber the - * system status register. As such, the filter beta register pair is - * written first to protect against this hazard. + * suffers a spurious reset during initialization. */ if (dir == WRITE) { - u16 reg = dev_desc->reg_grps[IQS7222_REG_GRP_FILT].base + 1; - u16 filt_setup; - error = iqs7222_write_word(iqs7222, IQS7222_SYS_SETUP, iqs7222->sys_setup[0] | IQS7222_SYS_SETUP_ACK_RESET); if (error) return error; - - error = iqs7222_read_word(iqs7222, reg, &filt_setup); - if (error) - return error; - - iqs7222->filt_setup[1] &= GENMASK(7, 0); - iqs7222->filt_setup[1] |= (filt_setup & ~GENMASK(7, 0)); } /* @@ -1883,6 +1876,7 @@ static int iqs7222_dev_init(struct iqs7222_private *iqs7222, int dir) int num_col = dev_desc->reg_grps[i].num_col; u16 reg = dev_desc->reg_grps[i].base; __le16 *val_buf; + u16 val_len = dev_desc->reg_grps[i].val_len ? : num_col * sizeof(*val_buf); u16 *val; if (!num_col) @@ -1900,7 +1894,7 @@ static int iqs7222_dev_init(struct iqs7222_private *iqs7222, int dir) switch (dir) { case READ: error = iqs7222_read_burst(iqs7222, reg, - val_buf, num_col); + val_buf, val_len); for (k = 0; k < num_col; k++) val[k] = le16_to_cpu(val_buf[k]); break; @@ -1909,7 +1903,7 @@ static int iqs7222_dev_init(struct iqs7222_private *iqs7222, int dir) for (k = 0; k < num_col; k++) val_buf[k] = cpu_to_le16(val[k]); error = iqs7222_write_burst(iqs7222, reg, - val_buf, num_col); + val_buf, val_len); break; default: @@ -1962,7 +1956,7 @@ static int iqs7222_dev_info(struct iqs7222_private *iqs7222) int error, i; error = iqs7222_read_burst(iqs7222, IQS7222_PROD_NUM, dev_id, - ARRAY_SIZE(dev_id)); + sizeof(dev_id)); if (error) return error; @@ -2915,7 +2909,7 @@ static int iqs7222_report(struct iqs7222_private *iqs7222) __le16 status[IQS7222_MAX_COLS_STAT]; error = iqs7222_read_burst(iqs7222, IQS7222_SYS_STATUS, status, - num_stat); + num_stat * sizeof(*status)); if (error) return error;

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[PATCH 6.12 000/122] 6.12.11-rc1 review

by Greg Kroah-Hartman

This is the start of the stable review cycle for the 6.12.11 release. There are 122 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Thu, 23 Jan 2025 17:45:02 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.12.11-rc… or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Linux 6.12.11-rc1 Ryan Lee <ryan.lee(a)canonical.com> apparmor: allocate xmatch for nullpdb inside aa_alloc_null Wayne Lin <Wayne.Lin(a)amd.com> drm/amd/display: Validate mdoe under MST LCT=1 case as well Nicholas Susanto <Nicholas.Susanto(a)amd.com> Revert "drm/amd/display: Enable urgent latency adjustments for DCN35" Leo Li <sunpeng.li(a)amd.com> drm/amd/display: Do not wait for PSR disable on vbl enable Tom Chung <chiahsuan.chung(a)amd.com> drm/amd/display: Disable replay and psr while VRR is enabled Tom Chung <chiahsuan.chung(a)amd.com> drm/amd/display: Fix PSR-SU not support but still call the amdgpu_dm_psr_enable Christian König <christian.koenig(a)amd.com> drm/amdgpu: always sync the GFX pipe on ctx switch Kenneth Feng <kenneth.feng(a)amd.com> drm/amdgpu: disable gfxoff with the compute workload on gfx12 Gui Chengming <Jack.Gui(a)amd.com> drm/amdgpu: fix fw attestation for MP0_14_0_{2/3} Alex Deucher <alexander.deucher(a)amd.com> drm/amdgpu/smu13: update powersave optimizations Ashutosh Dixit <ashutosh.dixit(a)intel.com> drm/xe/oa: Add missing VISACTL mux registers Matthew Brost <matthew.brost(a)intel.com> drm/xe: Mark ComputeCS read mode as UC on iGPU Ville Syrjälä <ville.syrjala(a)linux.intel.com> drm/i915/fb: Relax clear color alignment to 64 bytes Xin Li (Intel) <xin(a)zytor.com> x86/fred: Fix the FRED RSP0 MSR out of sync with its per-CPU cache Frederic Weisbecker <frederic(a)kernel.org> timers/migration: Enforce group initialization visibility to tree walkers Frederic Weisbecker <frederic(a)kernel.org> timers/migration: Fix another race between hotplug and idle entry/exit Koichiro Den <koichiro.den(a)canonical.com> hrtimers: Handle CPU state correctly on hotplug Tomas Krcka <krckatom(a)amazon.de> irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity() Yogesh Lal <quic_ylal(a)quicinc.com> irqchip/gic-v3: Handle CPU_PM_ENTER_FAILED correctly Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> irqchip: Plug a OF node reference leak in platform_irqchip_probe() Steven Rostedt <rostedt(a)goodmis.org> tracing: gfp: Fix the GFP enum values shown for user space tracing tools Donet Tom <donettom(a)linux.ibm.com> mm: vmscan : pgdemote vmstat is not getting updated when MGLRU is enabled. Ryan Roberts <ryan.roberts(a)arm.com> mm: clear uffd-wp PTE/PMD state on mremap() Leo Li <sunpeng.li(a)amd.com> drm/amd/display: Do not elevate mem_type change to full update Ryan Roberts <ryan.roberts(a)arm.com> selftests/mm: set allocated memory to non-zero content in cow test Guo Weikang <guoweikang.kernel(a)gmail.com> mm/kmemleak: fix percpu memory leak detection failure Xiaolei Wang <xiaolei.wang(a)windriver.com> pmdomain: imx8mp-blk-ctrl: add missing loop break condition Suren Baghdasaryan <surenb(a)google.com> tools: fix atomic_set() definition to set the value correctly Sean Anderson <sean.anderson(a)linux.dev> gpio: xilinx: Convert gpio_lock to raw spinlock Rik van Riel <riel(a)surriel.com> fs/proc: fix softlockup in __read_vmcore (part 2) Marco Nelissen <marco.nelissen(a)gmail.com> filemap: avoid truncating 64-bit offset to 32 bits Paul Fertser <fercerpav(a)gmail.com> net/ncsi: fix locking in Get MAC Address handling Takashi Iwai <tiwai(a)suse.de> drm/nouveau/disp: Fix missing backlight control on Macbook 5,1 Dave Airlie <airlied(a)redhat.com> nouveau/fence: handle cross device fences properly Stefano Garzarella <sgarzare(a)redhat.com> vsock: prevent null-ptr-deref in vsock_*[has_data|has_space] Stefano Garzarella <sgarzare(a)redhat.com> vsock: reset socket state when de-assigning the transport Stefano Garzarella <sgarzare(a)redhat.com> vsock/virtio: cancel close work in the destructor Stefano Garzarella <sgarzare(a)redhat.com> vsock/virtio: discard packets if the transport changes Stefano Garzarella <sgarzare(a)redhat.com> vsock/bpf: return early if transport is not assigned Heiner Kallweit <hkallweit1(a)gmail.com> net: ethernet: xgbe: re-add aneg to supported features in PHY quirks Paolo Abeni <pabeni(a)redhat.com> selftests: mptcp: avoid spurious errors on disconnect Paolo Abeni <pabeni(a)redhat.com> mptcp: fix spurious wake-up on under memory pressure Paolo Abeni <pabeni(a)redhat.com> mptcp: be sure to send ack when mptcp-level window re-opens Tomi Valkeinen <tomi.valkeinen+renesas(a)ideasonboard.com> i2c: atr: Fix client detach Kairui Song <kasong(a)tencent.com> zram: fix potential UAF of zram table Luke D. Jones <luke(a)ljones.dev> ALSA: hda/realtek: fixup ASUS H7606W Luke D. Jones <luke(a)ljones.dev> ALSA: hda/realtek: fixup ASUS GA605W Stefan Binding <sbinding(a)opensource.cirrus.com> ALSA: hda/realtek: Add support for Ayaneo System using CS35L41 HDA Juergen Gross <jgross(a)suse.com> x86/asm: Make serialize() always_inline Peter Zijlstra <peterz(a)infradead.org> sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE Peter Zijlstra <peterz(a)infradead.org> sched/fair: Fix EEVDF entity placement bug causing scheduling lag Luis Chamberlain <mcgrof(a)kernel.org> nvmet: propagate npwg topology Tejun Heo <tj(a)kernel.org> sched_ext: Fix dsq_local_on selftest Hongguang Gao <hongguang.gao(a)broadcom.com> RDMA/bnxt_re: Fix to export port num to ib_query_qp David Vernet <void(a)manifault.com> scx: Fix maximal BPF selftest prog Ihor Solodrai <ihor.solodrai(a)pm.me> selftests/sched_ext: fix build after renames in sched_ext API Oleg Nesterov <oleg(a)redhat.com> poll_wait: add mb() to fix theoretical race between waitqueue_active() and .poll() Lizhi Xu <lizhi.xu(a)windriver.com> afs: Fix merge preference rule failure condition Marco Nelissen <marco.nelissen(a)gmail.com> iomap: avoid avoid truncating 64-bit offset to 32 bits Henry Huang <henry.hj(a)antgroup.com> sched_ext: keep running prev when prev->scx.slice != 0 Hans de Goede <hdegoede(a)redhat.com> ACPI: resource: acpi_dev_irq_override(): Check DMI match last Srinivas Pandruvada <srinivas.pandruvada(a)linux.intel.com> platform/x86: ISST: Add Clearwater Forest to support list Srinivas Pandruvada <srinivas.pandruvada(a)linux.intel.com> platform/x86/intel: power-domains: Add Clearwater Forest support Jakub Kicinski <kuba(a)kernel.org> selftests: tc-testing: reduce rshift value Koichiro Den <koichiro.den(a)canonical.com> gpio: sim: lock up configfs that an instantiated device depends on Koichiro Den <koichiro.den(a)canonical.com> gpio: virtuser: lock up configfs that an instantiated device depends on Manivannan Sadhasivam <manivannan.sadhasivam(a)linaro.org> scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers Max Kellermann <max.kellermann(a)ionos.com> cachefiles: Parse the "secctx" immediately David Howells <dhowells(a)redhat.com> netfs: Fix non-contiguous donation between completed reads David Howells <dhowells(a)redhat.com> kheaders: Ignore silly-rename files Zhang Kunbo <zhangkunbo(a)huawei.com> fs: fix missing declaration of init_files Brahmajit Das <brahmajit.xyz(a)gmail.com> fs/qnx6: Fix building with GCC 15 Leo Stone <leocstone(a)gmail.com> hfs: Sanity check the root record Lizhi Xu <lizhi.xu(a)windriver.com> mac802154: check local interfaces before deleting sdata list Paulo Alcantara <pc(a)manguebit.com> smb: client: fix double free of TCP_Server_Info::hostname David Lechner <dlechner(a)baylibre.com> hwmon: (ltc2991) Fix mixed signed/unsigned in DIV_ROUND_CLOSEST Wolfram Sang <wsa+renesas(a)sang-engineering.com> i2c: testunit: on errors, repeat NACK until STOP Wolfram Sang <wsa+renesas(a)sang-engineering.com> i2c: rcar: fix NACK handling when being a target Wolfram Sang <wsa+renesas(a)sang-engineering.com> i2c: mux: demux-pinctrl: check initial mux selection, too Pratyush Yadav <pratyush(a)kernel.org> Revert "mtd: spi-nor: core: replace dummy buswidth from addr to data" David Lechner <dlechner(a)baylibre.com> hwmon: (tmp513) Fix division of negative numbers Chenyuan Yang <chenyuan0y(a)gmail.com> platform/x86: lenovo-yoga-tab2-pro-1380-fastcharger: fix serdev race Chenyuan Yang <chenyuan0y(a)gmail.com> platform/x86: dell-uart-backlight: fix serdev race Joe Hattori <joe(a)pf.is.s.u-tokyo.ac.jp> i2c: core: fix reference leak in i2c_register_adapter() MD Danish Anwar <danishanwar(a)ti.com> soc: ti: pruss: Fix pruss APIs Claudiu Beznea <claudiu.beznea.uj(a)bp.renesas.com> reset: rzg2l-usbphy-ctrl: Assign proper of node to the allocated device Maíra Canal <mcanal(a)igalia.com> drm/v3d: Ensure job pointer is set to NULL after job completion Ian Forbes <ian.forbes(a)broadcom.com> drm/vmwgfx: Add new keep_resv BO param Ian Forbes <ian.forbes(a)broadcom.com> drm/vmwgfx: Unreserve BO on error Yu-Chun Lin <eleanor15x(a)gmail.com> drm/tests: helpers: Fix compiler warning Jakub Kicinski <kuba(a)kernel.org> netdev: avoid CFI problems with sock priv helpers Leon Romanovsky <leon(a)kernel.org> net/mlx5e: Always start IPsec sequence number from 1 Leon Romanovsky <leon(a)kernel.org> net/mlx5e: Rely on reqid in IPsec tunnel mode Leon Romanovsky <leon(a)kernel.org> net/mlx5e: Fix inversion dependency warning while enabling IPsec tunnel Mark Zhang <markzhang(a)nvidia.com> net/mlx5: Clear port select structure when fail to create Chris Mi <cmi(a)nvidia.com> net/mlx5: SF, Fix add port error handling Yishai Hadas <yishaih(a)nvidia.com> net/mlx5: Fix a lockdep warning as part of the write combining test Patrisious Haddad <phaddad(a)nvidia.com> net/mlx5: Fix RDMA TX steering prio Pavel Begunkov <asml.silence(a)gmail.com> net: make page_pool_ref_netmem work with net iovs Kevin Groeneveld <kgroeneveld(a)lenbrook.com> net: fec: handle page_pool_dev_alloc_pages error Sean Anderson <sean.anderson(a)linux.dev> net: xilinx: axienet: Fix IRQ coalescing packet count overflow Dan Carpenter <dan.carpenter(a)linaro.org> nfp: bpf: prevent integer overflow in nfp_bpf_event_output() Viresh Kumar <viresh.kumar(a)linaro.org> cpufreq: Move endif to the end of Kconfig file Kuniyuki Iwashima <kuniyu(a)amazon.com> pfcp: Destroy device along with udp socket's netns dismantle. Kuniyuki Iwashima <kuniyu(a)amazon.com> gtp: Destroy device along with udp socket's netns dismantle. Kuniyuki Iwashima <kuniyu(a)amazon.com> gtp: Use for_each_netdev_rcu() in gtp_genl_dump_pdp(). Qu Wenruo <wqu(a)suse.com> btrfs: add the missing error handling inside get_canonical_dev_path Rafael J. Wysocki <rafael.j.wysocki(a)intel.com> cpuidle: teo: Update documentation after previous changes Karol Kolacinski <karol.kolacinski(a)intel.com> ice: Add correct PHY lane assignment Sergey Temerkhanov <sergey.temerkhanov(a)intel.com> ice: Use ice_adapter for PTP shared data instead of auxdev Sergey Temerkhanov <sergey.temerkhanov(a)intel.com> ice: Add ice_get_ctrl_ptp() wrapper to simplify the code Sergey Temerkhanov <sergey.temerkhanov(a)intel.com> ice: Introduce ice_get_phy_model() wrapper Karol Kolacinski <karol.kolacinski(a)intel.com> ice: Fix ETH56G FC-FEC Rx offset value Karol Kolacinski <karol.kolacinski(a)intel.com> ice: Fix quad registers read on E825 Karol Kolacinski <karol.kolacinski(a)intel.com> ice: Fix E825 initialization Artem Chernyshev <artem.chernyshev(a)red-soft.ru> pktgen: Avoid out-of-bounds access in get_imix_entries Ilya Maximets <i.maximets(a)ovn.org> openvswitch: fix lockup on tx to unregistering netdev with carrier Paul Barker <paul.barker.ct(a)bp.renesas.com> net: ravb: Fix max TX frame size for RZ/V2M Jakub Kicinski <kuba(a)kernel.org> eth: bnxt: always recalculate features after XDP clearing, fix null-deref Michal Luczaj <mhal(a)rbox.co> bpf: Fix bpf_sk_select_reuseport() memory leak Sudheer Kumar Doredla <s-doredla(a)ti.com> net: ethernet: ti: cpsw_ale: Fix cpsw_ale_get_field() Ard Biesheuvel <ardb(a)kernel.org> efi/zboot: Limit compression options to GZIP and ZSTD ------------- Diffstat: Makefile | 4 +- arch/x86/include/asm/special_insns.h | 2 +- arch/x86/kernel/fred.c | 8 +- drivers/acpi/resource.c | 6 +- drivers/block/zram/zram_drv.c | 1 + drivers/cpufreq/Kconfig | 4 +- drivers/cpuidle/governors/teo.c | 91 +++---- drivers/firmware/efi/Kconfig | 4 - drivers/firmware/efi/libstub/Makefile.zboot | 18 +- drivers/gpio/gpio-sim.c | 48 +++- drivers/gpio/gpio-virtuser.c | 49 +++- drivers/gpio/gpio-xilinx.c | 32 +-- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 5 +- drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c | 4 + drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 4 +- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 41 ++- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 25 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c | 4 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.h | 2 +- .../drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 2 +- .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 14 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c | 35 ++- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h | 3 +- .../gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c | 4 +- .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 11 +- drivers/gpu/drm/i915/display/intel_fb.c | 2 +- drivers/gpu/drm/nouveau/nouveau_fence.c | 6 +- drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c | 1 + drivers/gpu/drm/tests/drm_kunit_helpers.c | 3 +- drivers/gpu/drm/v3d/v3d_irq.c | 4 + drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 3 +- drivers/gpu/drm/vmwgfx/vmwgfx_bo.h | 3 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 7 +- drivers/gpu/drm/vmwgfx/vmwgfx_gem.c | 1 + drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 20 +- drivers/gpu/drm/vmwgfx/vmwgfx_shader.c | 7 +- drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 5 +- drivers/gpu/drm/xe/xe_hw_engine.c | 2 +- drivers/gpu/drm/xe/xe_oa.c | 1 + drivers/hwmon/ltc2991.c | 2 +- drivers/hwmon/tmp513.c | 7 +- drivers/i2c/busses/i2c-rcar.c | 20 +- drivers/i2c/i2c-atr.c | 2 +- drivers/i2c/i2c-core-base.c | 1 + drivers/i2c/i2c-slave-testunit.c | 19 +- drivers/i2c/muxes/i2c-demux-pinctrl.c | 4 +- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 1 + drivers/infiniband/hw/bnxt_re/ib_verbs.h | 4 + drivers/infiniband/hw/bnxt_re/qplib_fp.c | 1 + drivers/infiniband/hw/bnxt_re/qplib_fp.h | 1 + drivers/irqchip/irq-gic-v3-its.c | 2 +- drivers/irqchip/irq-gic-v3.c | 2 +- drivers/irqchip/irqchip.c | 4 +- drivers/mtd/spi-nor/core.c | 2 +- drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 19 +- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 25 +- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 2 +- drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 7 - drivers/net/ethernet/freescale/fec_main.c | 19 +- drivers/net/ethernet/intel/ice/ice.h | 5 + drivers/net/ethernet/intel/ice/ice_adapter.c | 6 + drivers/net/ethernet/intel/ice/ice_adapter.h | 22 +- drivers/net/ethernet/intel/ice/ice_adminq_cmd.h | 1 + drivers/net/ethernet/intel/ice/ice_common.c | 51 ++++ drivers/net/ethernet/intel/ice/ice_common.h | 1 + drivers/net/ethernet/intel/ice/ice_main.c | 6 +- drivers/net/ethernet/intel/ice/ice_ptp.c | 165 +++++++----- drivers/net/ethernet/intel/ice/ice_ptp.h | 9 +- drivers/net/ethernet/intel/ice/ice_ptp_consts.h | 2 +- drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 285 +++++++++++---------- drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 5 + drivers/net/ethernet/intel/ice/ice_type.h | 2 - .../ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 22 +- .../mellanox/mlx5/core/en_accel/ipsec_fs.c | 12 +- .../mellanox/mlx5/core/en_accel/ipsec_offload.c | 11 +- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 1 + .../net/ethernet/mellanox/mlx5/core/lag/port_sel.c | 4 +- .../net/ethernet/mellanox/mlx5/core/sf/devlink.c | 1 + drivers/net/ethernet/mellanox/mlx5/core/wc.c | 24 +- drivers/net/ethernet/netronome/nfp/bpf/offload.c | 3 +- drivers/net/ethernet/renesas/ravb_main.c | 1 + drivers/net/ethernet/ti/cpsw_ale.c | 14 +- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 6 + drivers/net/gtp.c | 26 +- drivers/net/pfcp.c | 15 +- drivers/nvme/target/io-cmd-bdev.c | 2 +- drivers/platform/x86/dell/dell-uart-backlight.c | 5 +- .../x86/intel/speed_select_if/isst_if_common.c | 1 + drivers/platform/x86/intel/tpmi_power_domains.c | 1 + .../x86/lenovo-yoga-tab2-pro-1380-fastcharger.c | 5 +- drivers/pmdomain/imx/imx8mp-blk-ctrl.c | 2 +- drivers/reset/reset-rzg2l-usbphy-ctrl.c | 1 + drivers/ufs/core/ufshcd.c | 9 +- fs/afs/addr_prefs.c | 6 +- fs/btrfs/volumes.c | 4 + fs/cachefiles/daemon.c | 14 +- fs/cachefiles/internal.h | 3 +- fs/cachefiles/security.c | 6 +- fs/file.c | 1 + fs/hfs/super.c | 4 +- fs/iomap/buffered-io.c | 2 +- fs/netfs/read_collect.c | 9 +- fs/proc/vmcore.c | 2 + fs/qnx6/inode.c | 11 +- fs/smb/client/connect.c | 3 +- include/linux/hrtimer.h | 1 + include/linux/poll.h | 10 +- include/linux/pruss_driver.h | 12 +- include/linux/userfaultfd_k.h | 12 + include/net/page_pool/helpers.h | 2 +- include/trace/events/mmflags.h | 63 +++++ kernel/cpu.c | 2 +- kernel/gen_kheaders.sh | 1 + kernel/sched/ext.c | 11 +- kernel/sched/fair.c | 151 ++--------- kernel/time/hrtimer.c | 11 +- kernel/time/timer_migration.c | 43 +++- mm/filemap.c | 2 +- mm/huge_memory.c | 12 + mm/hugetlb.c | 14 +- mm/kmemleak.c | 2 +- mm/mremap.c | 32 ++- mm/vmscan.c | 3 + net/core/filter.c | 30 ++- net/core/netdev-genl-gen.c | 14 +- net/core/pktgen.c | 6 +- net/mac802154/iface.c | 4 + net/mptcp/options.c | 6 +- net/mptcp/protocol.h | 9 +- net/ncsi/internal.h | 2 + net/ncsi/ncsi-manage.c | 16 +- net/ncsi/ncsi-rsp.c | 19 +- net/openvswitch/actions.c | 4 +- net/vmw_vsock/af_vsock.c | 18 ++ net/vmw_vsock/virtio_transport_common.c | 38 ++- net/vmw_vsock/vsock_bpf.c | 9 + security/apparmor/policy.c | 1 + sound/pci/hda/patch_realtek.c | 3 + tools/net/ynl/ynl-gen-c.py | 16 +- tools/testing/selftests/mm/cow.c | 8 +- tools/testing/selftests/net/mptcp/mptcp_connect.c | 43 +++- .../selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c | 2 +- .../selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c | 4 +- .../testing/selftests/sched_ext/dsp_local_on.bpf.c | 7 +- tools/testing/selftests/sched_ext/dsp_local_on.c | 5 +- .../selftests/sched_ext/enq_select_cpu_fails.bpf.c | 2 +- tools/testing/selftests/sched_ext/exit.bpf.c | 4 +- tools/testing/selftests/sched_ext/maximal.bpf.c | 8 +- .../selftests/sched_ext/select_cpu_dfl.bpf.c | 2 +- .../sched_ext/select_cpu_dfl_nodispatch.bpf.c | 2 +- .../selftests/sched_ext/select_cpu_dispatch.bpf.c | 2 +- .../sched_ext/select_cpu_dispatch_bad_dsq.bpf.c | 2 +- .../sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c | 4 +- .../selftests/sched_ext/select_cpu_vtime.bpf.c | 8 +- .../tc-testing/tc-tests/filters/flow.json | 4 +- tools/testing/shared/linux/maple_tree.h | 2 +- tools/testing/vma/linux/atomic.h | 2 +- 157 files changed, 1345 insertions(+), 766 deletions(-)

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