Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures
From: Arjan van de Ven <hidden>
Date: 2007-09-10 13:53:26
Also in:
linux-arch, lkml
From: Arjan van de Ven <hidden>
Date: 2007-09-10 13:53:26
Also in:
linux-arch, lkml
On Mon, 10 Sep 2007 11:56:29 +0100 Denys Vlasenko [off-list ref] 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.