Re: [PATCH] posix_acl: Use try_cmpxchg in get_acl

[Christian Brauner]

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@xxxxxxxxx>
> > Cc: Christian Brauner <brauner@xxxxxxxxxx>
> > Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
> > ---
> 
> 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