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

[Peter Zijlstra]

On Fri, Dec 03, 2021 at 03:59:33PM +0800, 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(-)

Thanks!