lkml.org 
[lkml]   [2007]   [Sep]   [10]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateMon, 10 Sep 2007 15:51:56 +0100
FromArjan van de Ven <>
SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
On Mon, 10 Sep 2007 11:56:29 +0100
Denys Vlasenko <vda.linux@googlemail.com> wrote:

> 
> Well, if you insist on having it again:
> 
> Waiting for atomic value to be zero:
> 
>         while (atomic_read(&x))
>                 continue;
> 

and this I would say is buggy code all the way.

Not from a pure C level semantics, but from a "busy waiting is buggy"
semantics level and a "I'm inventing my own locking" semantics level.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-09-10 15:55    [from the cache]
©2003-2008