Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'locking_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Borislav Petkov:
- Fix the rtmutex condition checking when the optimistic spinning of a
waiter needs to be terminated
* tag 'locking_urgent_for_v5.16_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Fix incorrect condition in rtmutex_spin_on_owner()
+1
-1
+1
-1
kernel/locking/rtmutex.c
+1
-1
kernel/locking/rtmutex.c
···
1380
1380
* - the VCPU on which owner runs is preempted
1381
1381
*/
1382
1382
if (!owner->on_cpu || need_resched() ||
1383
-
rt_mutex_waiter_is_top_waiter(lock, waiter) ||
1383
+
!rt_mutex_waiter_is_top_waiter(lock, waiter) ||
1384
1384
vcpu_is_preempted(task_cpu(owner))) {
1385
1385
res = false;
1386
1386
break;