lkml.org 
[lkml]   [2023]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] posix_acl: Use try_cmpxchg in get_acl
On Fri, Dec 23, 2022 at 11:47:24AM +0100, Christian Brauner wrote:
> On Wed, Dec 21, 2022 at 08:35:40PM +0100, Uros Bizjak wrote:
> > Use try_cmpxchg instead of cmpxchg (*ptr, old, new) == old
> > in get_acl. x86 CMPXCHG instruction returns success in ZF flag,
> > so this change saves a compare after cmpxchg (and related move
> > instruction in front of cmpxchg).
> >
> > No functional change intended.
> >
> > Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
> > Cc: Christian Brauner <brauner@kernel.org>
> > Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> > ---
>
> Looks ok to me. But it's not urgent so I'll circle back to this post
> -rc1.

Seems good to me. So if there are no objectsions, then applied, thanks!

[1/1] posix_acl: Use try_cmpxchg in get_acl
commit: 4e1da8fe031303599e78f88e0dad9f44272e4f99

\
 
 \ /
  Last update: 2023-03-26 23:32    [W:0.088 / U:1.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site