Re: [PATCH v2 0/2] locking: Fix racy reads of owner->on_cpu

[Waiman Long]

On 12/3/21 02:59, Kefeng Wang wrote:
> v2:
> - adding owner_on_cpu() refactor, shared by mutex/rtmutex/rwsem
>
> v1: https://lore.kernel.org/all/20211202101238.33546-1-elver@xxxxxxxxxx/
>
> Kefeng Wang (1):
>    locking: Make owner_on_cpu() into <linux/sched.h>
>
> Marco Elver (1):
>    locking: Mark racy reads of owner->on_cpu
>
>   include/linux/sched.h    |  9 +++++++++
>   kernel/locking/mutex.c   | 11 ++---------
>   kernel/locking/rtmutex.c |  5 ++---
>   kernel/locking/rwsem.c   |  9 ---------
>   4 files changed, 13 insertions(+), 21 deletions(-)
LGTM

Acked-by: Waiman Long <longman@xxxxxxxxxx>