lkml.org 
[lkml]   [2021]   [Nov]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] refcount: introduce refcount_is_one() helper function
On Thu, Nov 18, 2021 at 08:12:56AM +0000, yajun.deng@linux.dev wrote:
> November 18, 2021 3:42 PM, "Peter Zijlstra" <peterz@infradead.org> wrote:
>
> > On Thu, Nov 18, 2021 at 11:53:28AM +0800, Yajun Deng wrote:
> >
> >> There are many cases where it is necessary to determine if refcount is one,
> >> introduce refcount_is_one() helper function for these cases.
> >
> > Give me one that is not racy?
>
> The following determine refcount is one, 35 count.

Very good, now get me one that isn't broken :-)

\
 
 \ /
  Last update: 2021-11-18 09:46    [W:0.129 / U:0.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site