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authorLeon Romanovsky <leon@kernel.org>2025-06-25 03:57:23 -0400
committerLeon Romanovsky <leon@kernel.org>2025-06-25 03:57:23 -0400
commit4aa765af7983d51eafa13d76398045a5e687b73d (patch)
treea3da8fece8eb8caf6143bb160f2ec3ce8019f219 /kernel/time/posix-cpu-timers.c
parentb5eeb8365d196c95dbb0fd0a5b5a69a44832f16f (diff)
parent52931f55159ea5c27ad4fe66fc0cb8ad75ab795b (diff)
Add multiple priorities support to mlx5 RDMA TRANSPORT tables
From Patrisious: This short series from Patrisious extends mlx5 flow steering logic to allow creation rule creation with priorities in RDMA TRANSPORT tables. Thanks Link: https://lore.kernel.org/all/cover.1750148083.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org> * mlx5-next: (200 commits) net/mlx5: fs, add multiple prios to RDMA TRANSPORT steering domain Linux 6.16-rc2 ...
Diffstat (limited to 'kernel/time/posix-cpu-timers.c')
-rw-r--r--kernel/time/posix-cpu-timers.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index 50e8d04ab661..2e5b89d7d866 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -1406,6 +1406,15 @@ void run_posix_cpu_timers(void)
lockdep_assert_irqs_disabled();
/*
+ * Ensure that release_task(tsk) can't happen while
+ * handle_posix_cpu_timers() is running. Otherwise, a concurrent
+ * posix_cpu_timer_del() may fail to lock_task_sighand(tsk) and
+ * miss timer->it.cpu.firing != 0.
+ */
+ if (tsk->exit_state)
+ return;
+
+ /*
* If the actual expiry is deferred to task work context and the
* work is already scheduled there is no point to do anything here.
*/