Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-23 04:31:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

timers: Add sparse annotation for timer_sync_wait_running().

Browse Source 
timer_sync_wait_running() first releases two locks and then acquires
them again. This is unexpected and sparse complains about it.

Add sparse annotation for timer_sync_wait_running() to note that the
locking is expected.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240812105326.2240000-2-bigeasy@linutronix.de
This commit is contained in:
Sebastian Andrzej Siewior 2024-08-12 12:51:04 +02:00 committed by Thomas Gleixner
parent 9a7b0158ae
commit 38cd4cee73
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/time/timer.c
View File

@ -1561,6 +1561,8 @@ static inline void timer_base_unlock_expiry(struct timer_base *base)
* the waiter to acquire the lock and make progress.
*/
static void timer_sync_wait_running(struct timer_base *base)
__releases(&base->lock) __releases(&base->expiry_lock)
__acquires(&base->expiry_lock) __acquires(&base->lock)
{
if (atomic_read(&base->timer_waiters)) {
raw_spin_unlock_irq(&base->lock);