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[PATCH v2] drm/msm: add PERFCTR_CNTL to ifpc_reglist

by Anna Maniscalco

Previously this register would become 0 after IFPC took place which broke all usages of counters. Fixes: a6a0157cc68e ("drm/msm/a6xx: Enable IFPC on Adreno X1-85") Signed-off-by: Anna Maniscalco <anna.maniscalco2000(a)gmail.com> --- Changes in v2: - Added Fixes tag - Link to v1: https://lore.kernel.org/r/20251126-ifpc_counters-v1-1-f2d5e7048032@gmail.com --- drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c index 29107b362346..b731491dc522 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c @@ -1392,6 +1392,7 @@ static const u32 a750_ifpc_reglist_regs[] = { REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(2), REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(3), REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(4), + REG_A6XX_RBBM_PERFCTR_CNTL, REG_A6XX_TPL1_NC_MODE_CNTL, REG_A6XX_SP_NC_MODE_CNTL, REG_A6XX_CP_DBG_ECO_CNTL, --- base-commit: 7bc29d5fb6faff2f547323c9ee8d3a0790cd2530 change-id: 20251126-ifpc_counters-e8d53fa3252e Best regards, -- Anna Maniscalco <anna.maniscalco2000(a)gmail.com>

5 days, 4 hours

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by lists.linaro.orgHelpdesk

5 days, 4 hours

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FAILED: patch "[PATCH] mm/mm_init: fix hash table order logging in" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-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-5.4.y git checkout FETCH_HEAD git cherry-pick -x 0d6c356dd6547adac2b06b461528e3573f52d953 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025112034-decrease-sardine-8989@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 0d6c356dd6547adac2b06b461528e3573f52d953 Mon Sep 17 00:00:00 2001 From: "Isaac J. Manjarres" <isaacmanjarres(a)google.com> Date: Tue, 28 Oct 2025 12:10:12 -0700 Subject: [PATCH] mm/mm_init: fix hash table order logging in alloc_large_system_hash() When emitting the order of the allocation for a hash table, alloc_large_system_hash() unconditionally subtracts PAGE_SHIFT from log base 2 of the allocation size. This is not correct if the allocation size is smaller than a page, and yields a negative value for the order as seen below: TCP established hash table entries: 32 (order: -4, 256 bytes, linear) TCP bind hash table entries: 32 (order: -2, 1024 bytes, linear) Use get_order() to compute the order when emitting the hash table information to correctly handle cases where the allocation size is smaller than a page: TCP established hash table entries: 32 (order: 0, 256 bytes, linear) TCP bind hash table entries: 32 (order: 0, 1024 bytes, linear) Link: https://lkml.kernel.org/r/20251028191020.413002-1-isaacmanjarres@google.com Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Isaac J. Manjarres <isaacmanjarres(a)google.com> Reviewed-by: Mike Rapoport (Microsoft) <rppt(a)kernel.org> Reviewed-by: David Hildenbrand <david(a)redhat.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/mm/mm_init.c b/mm/mm_init.c index 3db2dea7db4c..7712d887b696 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -2469,7 +2469,7 @@ void *__init alloc_large_system_hash(const char *tablename, panic("Failed to allocate %s hash table\n", tablename); pr_info("%s hash table entries: %ld (order: %d, %lu bytes, %s)\n", - tablename, 1UL << log2qty, ilog2(size) - PAGE_SHIFT, size, + tablename, 1UL << log2qty, get_order(size), size, virt ? (huge ? "vmalloc hugepage" : "vmalloc") : "linear"); if (_hash_shift)

5 days, 6 hours

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¿Tu evaluación de desempeño es realmente objetiva?

by Luis Rodríguez

Evaluaciones de Desempeño Objetivas con Vorecol 360 Feedback body { margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; font-size: 14px; color: #333333; background-color: #ffffff; } table { border-spacing: 0; width: 100%; max-width: 600px; margin: auto; } td { padding: 12px 20px; } a { color: #1a73e8; text-decoration: none; } .footer { font-size: 12px; color: #888888; text-align: center; padding-top: 10px; } Mejora tus evaluaciones de desempeño con feedback 360 real y automatizado. Hola, ¿Te has preguntado qué tan completas son tus evaluaciones de desempeño? En Vorecol 360 Feedback te ayudamos a implementar evaluaciones verdaderamente objetivas, recogiendo percepciones desde todas las direcciones: líderes, pares, colaboradores y autoevaluación. Lo que más valoran nuestros clientes de RRHH es que: Obtienen una visión completa y real del desempeño. Fomentan una cultura de feedback constructivo. Identifican oportunidades de desarrollo con mayor precisión. Automatizan todo el proceso con reportes claros y personalizables. Si estás buscando mejorar tus evaluaciones y fortalecer el desarrollo interno, te lo recomiendo muchísimo. Para más información puedes responder este correo o llamarme al número de abajo. Saludos, ------------------------ Atte.: Luis Rodríguez Ciudad de México: (55) 5018 0565 WhatsApp: +52 33 1607 2089 Si no deseas recibir más correos, haz clic aquí para darte de baja. Para remover su dirección de esta lista haga <a href="https://s1.arrobamail.com/unsuscribe.php?id=yiwtsrewiswqrqseup">click aquí</a>

5 days, 7 hours

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[PATCH v1 0/2] mm: skip wait in wait_sb_inodes() for hangable-writeback mappings

by Joanne Koong

As reported by Athul upstream in [1], there is a userspace regression caused by commit 0c58a97f919c ("fuse: remove tmp folio for writebacks and internal rb tree") where if there is a bug in a fuse server that causes the server to never complete writeback, it will make wait_sb_inodes() wait forever, causing sync paths to hang. This is a resubmission of this patch [2] that was dropped from the original series due to a buggy/malicious server still being able to hold up sync() / the system in other ways if they wanted to, but the wait_sb_inodes() path is particularly common and easier to hit for malfunctioning servers. Thanks, Joanne [1] https://lore.kernel.org/regressions/CAJnrk1ZjQ8W8NzojsvJPRXiv9TuYPNdj8Ye7=C… [2] https://lore.kernel.org/linux-fsdevel/20241122232359.429647-4-joannelkoong@… Joanne Koong (2): mm: rename AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM to AS_WRITEBACK_MAY_HANG fs/writeback: skip inodes with potential writeback hang in wait_sb_inodes() fs/fs-writeback.c | 3 +++ fs/fuse/file.c | 2 +- include/linux/pagemap.h | 10 +++++----- mm/vmscan.c | 3 +-- 4 files changed, 10 insertions(+), 8 deletions(-) -- 2.47.3

5 days, 8 hours

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[PATCH 5.15.y 1/2] Revert "block: Move checking GENHD_FL_NO_PART to bdev_add_partition()"

by Gulam Mohamed

This reverts commit 7777f47f2ea64efd1016262e7b59fab34adfb869. The commit 1a721de8489f ("block: don't add or resize partition on the disk with GENHD_FL_NO_PART") and the commit 7777f47f2ea6 ("block: Move checking GENHD_FL_NO_PART to bdev_add_partition()") used the flag GENHD_FL_NO_PART to prevent the add or resize of partitions in 5.15 stable kernels.But in these 5.15 kernels, this is giving an issue with the following error where the loop driver wants to create a partition when the partscan is disabled on the loop device: dd if=/dev/zero of=loopDisk.dsk bs=1M count=1 seek=10240; losetup -f loopDisk.dsk;parted -s /dev/loop0 -- mklabel gpt mkpart primary 2048s 4096s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0016293 s, 644 MB/s "" Error: Partition(s) 1 on /dev/loop0 have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old partition(s) will remain in use. You should reboot now before making further changes. "" If the partition scan is not enabled on the loop device, this flag GENHD_FL_NO_PART is getting set and when partition creation is tried, it returns an error EINVAL thereby preventing the creation of partitions. So, there is no such distinction between disabling of partition scan and partition creation. Later in 6.xxx kernels, the commit b9684a71fca7 ("block, loop: support partitions without scanning") a new flag GD_SUPPRESS_PART_SCAN was introduced that just disables the partition scan and uses GENHD_FL_NO_PART only to prevent creating partition scan. So, the partition creationg can proceed with even if partition scan is disabled. As the commit b9684a71fca7 ("block, loop: support partitions without scanning") is not available in 5.15 stable kernel, and since there is no distinction between disabling of "partition scan" and "partition creation", we need to revert the commits 1a721de8489f and 7777f47f2ea6 from 5.15 stable kernel to allow partition creation when partscan is disabled. Cc: stable(a)vger.kernel.org Signed-off-by: Gulam Mohamed <gulam.mohamed(a)oracle.com> --- block/ioctl.c | 2 ++ block/partitions/core.c | 5 ----- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index a260e39e56a4..d25b84441237 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -20,6 +20,8 @@ static int blkpg_do_ioctl(struct block_device *bdev, struct blkpg_partition p; sector_t start, length; + if (disk->flags & GENHD_FL_NO_PART) + return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; if (copy_from_user(&p, upart, sizeof(struct blkpg_partition))) diff --git a/block/partitions/core.c b/block/partitions/core.c index 0d1fe2b42b85..7b5750db7eaf 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -463,11 +463,6 @@ int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, goto out; } - if (disk->flags & GENHD_FL_NO_PART) { - ret = -EINVAL; - goto out; - } - if (partition_overlaps(disk, start, length, -1)) { ret = -EBUSY; goto out; -- 2.47.3

5 days, 8 hours

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[PATCH V2 5.15.y 1/2] Revert "block: Move checking GENHD_FL_NO_PART to bdev_add_partition()"

by Gulam Mohamed

This reverts commit 7777f47f2ea64efd1016262e7b59fab34adfb869. The commit 1a721de8489f ("block: don't add or resize partition on the disk with GENHD_FL_NO_PART") and the commit 7777f47f2ea6 ("block: Move checking GENHD_FL_NO_PART to bdev_add_partition()") used the flag GENHD_FL_NO_PART to prevent the add or resize of partitions in 5.15 stable kernels.But in these 5.15 kernels, this is giving an issue with the following error where the loop driver wants to create a partition when the partscan is disabled on the loop device: dd if=/dev/zero of=loopDisk.dsk bs=1M count=1 seek=10240; losetup -f loopDisk.dsk;parted -s /dev/loop0 -- mklabel gpt mkpart primary 2048s 4096s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0016293 s, 644 MB/s "" Error: Partition(s) 1 on /dev/loop0 have been written, but we have been unable to inform the kernel of the change, probably because it/they are in use. As a result, the old partition(s) will remain in use. You should reboot now before making further changes. "" If the partition scan is not enabled on the loop device, this flag GENHD_FL_NO_PART is getting set and when partition creation is tried, it returns an error EINVAL thereby preventing the creation of partitions. So, there is no such distinction between disabling of partition scan and partition creation. Later in 6.xxx kernels, the commit b9684a71fca7 ("block, loop: support partitions without scanning") a new flag GD_SUPPRESS_PART_SCAN was introduced that just disables the partition scan and uses GENHD_FL_NO_PART only to prevent creating partition scan. So, the partition creationg can proceed with even if partition scan is disabled. As the commit b9684a71fca7 ("block, loop: support partitions without scanning") is not available in 5.15 stable kernel, and since there is no distinction between disabling of "partition scan" and "partition creation", we need to revert the commits 1a721de8489f and 7777f47f2ea6 from 5.15 stable kernel to allow partition creation when partscan is disabled. Cc: stable(a)vger.kernel.org Signed-off-by: Gulam Mohamed <gulam.mohamed(a)oracle.com> --- Changes in V2: - Added,in the second patch, the reason for reverting the patch - Added the linux stable version 5.15.y to the subject line - Added the version V2 to the subject line Links to V1: https://lore.kernel.org/all/20251117174315.367072-1-gulam.mohamed@oracle.co… https://lore.kernel.org/all/20251117174315.367072-2-gulam.mohamed@oracle.co… --- block/ioctl.c | 2 ++ block/partitions/core.c | 5 ----- 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/block/ioctl.c b/block/ioctl.c index a260e39e56a4..d25b84441237 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -20,6 +20,8 @@ static int blkpg_do_ioctl(struct block_device *bdev, struct blkpg_partition p; sector_t start, length; + if (disk->flags & GENHD_FL_NO_PART) + return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; if (copy_from_user(&p, upart, sizeof(struct blkpg_partition))) diff --git a/block/partitions/core.c b/block/partitions/core.c index 0d1fe2b42b85..7b5750db7eaf 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -463,11 +463,6 @@ int bdev_add_partition(struct gendisk *disk, int partno, sector_t start, goto out; } - if (disk->flags & GENHD_FL_NO_PART) { - ret = -EINVAL; - goto out; - } - if (partition_overlaps(disk, start, length, -1)) { ret = -EBUSY; goto out; -- 2.47.3

5 days, 8 hours

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+ powerpc-pseries-cmm-adjust-balloon_migrate-when-migrating-pages.patch added to mm-new branch

by Andrew Morton

The patch titled Subject: powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages has been added to the -mm mm-new branch. Its filename is powerpc-pseries-cmm-adjust-balloon_migrate-when-migrating-pages.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: David Hildenbrand <david(a)redhat.com> Subject: powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages Date: Tue, 21 Oct 2025 12:06:06 +0200 Let's properly adjust BALLOON_MIGRATE like the other drivers. Note that the INFLATE/DEFLATE events are triggered from the core when enqueueing/dequeueing pages. This was found by code inspection. Link: https://lkml.kernel.org/r/20251021100606.148294-3-david@redhat.com Fixes: fe030c9b85e6 ("powerpc/pseries/cmm: Implement balloon compaction") Signed-off-by: David Hildenbrand <david(a)redhat.com> Cc: Christophe Leroy <christophe.leroy(a)csgroup.eu> Cc: Madhavan Srinivasan <maddy(a)linux.ibm.com> Cc: Michael Ellerman <mpe(a)ellerman.id.au> Cc: Nicholas Piggin <npiggin(a)gmail.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- arch/powerpc/platforms/pseries/cmm.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/platforms/pseries/cmm.c~powerpc-pseries-cmm-adjust-balloon_migrate-when-migrating-pages +++ a/arch/powerpc/platforms/pseries/cmm.c @@ -532,6 +532,7 @@ static int cmm_migratepage(struct balloo spin_lock_irqsave(&b_dev_info->pages_lock, flags); balloon_page_insert(b_dev_info, newpage); + __count_vm_event(BALLOON_MIGRATE); b_dev_info->isolated_pages--; spin_unlock_irqrestore(&b_dev_info->pages_lock, flags); _ Patches currently in -mm which might be from david(a)redhat.com are powerpc-pseries-cmm-call-balloon_devinfo_init-also-without-config_balloon_compaction.patch powerpc-pseries-cmm-adjust-balloon_migrate-when-migrating-pages.patch

5 days, 8 hours

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+ powerpc-pseries-cmm-call-balloon_devinfo_init-also-without-config_balloon_compaction.patch added to mm-new branch

by Andrew Morton

The patch titled Subject: powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION has been added to the -mm mm-new branch. Its filename is powerpc-pseries-cmm-call-balloon_devinfo_init-also-without-config_balloon_compaction.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: David Hildenbrand <david(a)redhat.com> Subject: powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION Date: Tue, 21 Oct 2025 12:06:05 +0200 Patch series "powerpc/pseries/cmm: two smaller fixes". Two smaller fixes identified while doing a bigger rework. This patch (of 2): We always have to initialize the balloon_dev_info, even when compaction is not configured in: otherwise the containing list and the lock are left uninitialized. Likely not many such configs exist in practice, but let's CC stable to be sure. This was found by code inspection. Link: https://lkml.kernel.org/r/20251021100606.148294-1-david@redhat.com Link: https://lkml.kernel.org/r/20251021100606.148294-2-david@redhat.com Fixes: fe030c9b85e6 ("powerpc/pseries/cmm: Implement balloon compaction") Signed-off-by: David Hildenbrand <david(a)redhat.com> Cc: Christophe Leroy <christophe.leroy(a)csgroup.eu> Cc: Madhavan Srinivasan <maddy(a)linux.ibm.com> Cc: Michael Ellerman <mpe(a)ellerman.id.au> Cc: Nicholas Piggin <npiggin(a)gmail.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- arch/powerpc/platforms/pseries/cmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/powerpc/platforms/pseries/cmm.c~powerpc-pseries-cmm-call-balloon_devinfo_init-also-without-config_balloon_compaction +++ a/arch/powerpc/platforms/pseries/cmm.c @@ -550,7 +550,6 @@ static int cmm_migratepage(struct balloo static void cmm_balloon_compaction_init(void) { - balloon_devinfo_init(&b_dev_info); b_dev_info.migratepage = cmm_migratepage; } #else /* CONFIG_BALLOON_COMPACTION */ @@ -572,6 +571,7 @@ static int cmm_init(void) if (!firmware_has_feature(FW_FEATURE_CMO) && !simulate) return -EOPNOTSUPP; + balloon_devinfo_init(&b_dev_info); cmm_balloon_compaction_init(); rc = register_oom_notifier(&cmm_oom_nb); _ Patches currently in -mm which might be from david(a)redhat.com are powerpc-pseries-cmm-call-balloon_devinfo_init-also-without-config_balloon_compaction.patch powerpc-pseries-cmm-adjust-balloon_migrate-when-migrating-pages.patch

5 days, 8 hours

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[patch] wifi: mt76: mt7925: fix AMPDU state handling in mt7925_tx_check_aggr

by Quan Zhou

Previously, the AMPDU state bit for a given TID was set before attempting to start a BA session, which could result in the AMPDU state being marked active even if ieee80211_start_tx_ba_session() failed. This patch changes the logic to only set the AMPDU state bit after successfully starting a BA session, ensuring proper synchronization between AMPDU state and BA session status. This fixes potential issues with aggregation state tracking and improves compatibility with mac80211 BA session management. Fixes: 44eb173bdd4f ("wifi: mt76: mt7925: add link handling in mt7925_txwi_free") Cc: stable(a)vger.kernel.org Signed-off-by: Quan Zhou <quan.zhou(a)mediatek.com> --- drivers/net/wireless/mediatek/mt76/mt7925/mac.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c index 871b67101976..80f1d738ec22 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c @@ -881,8 +881,9 @@ static void mt7925_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb, else mlink = &msta->deflink; - if (!test_and_set_bit(tid, &mlink->wcid.ampdu_state)) - ieee80211_start_tx_ba_session(sta, tid, 0); + if (!test_bit(tid, &mlink->wcid.ampdu_state) && + !ieee80211_start_tx_ba_session(sta, tid, 0)) + set_bit(tid, &mlink->wcid.ampdu_state); } static bool -- 2.45.2

5 days, 9 hours

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