diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-11-04 14:25:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-11-04 14:25:33 +1000 |
| commit | 30169bb64580bd7bce9290c1952bf0aa6cc37fe5 (patch) | |
| tree | 94c6ab9dec68f5648a055752aad32d816bd27e11 /include/linux/netdevice.h | |
| parent | bcfe43f0ea77c42c2154fb79b99b7d1d82ac3231 (diff) | |
| parent | 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff) | |
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge Linus tree for some drm-fixes needed for msm and xe merges.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 4d20c776a4ff..8896705ccd63 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3325,6 +3325,12 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev) static __always_inline void netif_tx_stop_queue(struct netdev_queue *dev_queue) { + /* Paired with READ_ONCE() from dev_watchdog() */ + WRITE_ONCE(dev_queue->trans_start, jiffies); + + /* This barrier is paired with smp_mb() from dev_watchdog() */ + smp_mb__before_atomic(); + /* Must be an atomic op see netif_txq_try_stop() */ set_bit(__QUEUE_STATE_DRV_XOFF, &dev_queue->state); } @@ -3451,6 +3457,12 @@ static inline void netdev_tx_sent_queue(struct netdev_queue *dev_queue, if (likely(dql_avail(&dev_queue->dql) >= 0)) return; + /* Paired with READ_ONCE() from dev_watchdog() */ + WRITE_ONCE(dev_queue->trans_start, jiffies); + + /* This barrier is paired with smp_mb() from dev_watchdog() */ + smp_mb__before_atomic(); + set_bit(__QUEUE_STATE_STACK_XOFF, &dev_queue->state); /* |