From: Andrew Morton <akpm@linux-foundation.org>
To: kenchen@google.com (Ken Chen)
Cc: linux-aio@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] convert aio event reap to use atomic-op instead of spin_lock
Date: Tue, 10 Apr 2007 22:18:49 -0700 [thread overview]
Message-ID: <20070410221849.dcec1ce3.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070410235353.325A7346F64@localhost>
On Tue, 10 Apr 2007 16:53:53 -0700 (PDT) kenchen@google.com (Ken Chen) wrote:
> + } while (head != cmpxchg(&ring->head, head, head + 1));
A hasty grep indicates that only 14 out of 23 architectures implement
cmpxchg().
next prev parent reply other threads:[~2007-04-11 5:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-10 23:53 [patch] convert aio event reap to use atomic-op instead of spin_lock Ken Chen
2007-04-11 5:18 ` Andrew Morton [this message]
2007-04-11 16:54 ` Ken Chen
2007-04-11 18:15 ` Zach Brown
2007-04-11 18:29 ` Ken Chen
2007-04-11 18:00 ` Zach Brown
2007-04-11 19:11 ` Andrew Morton
2007-04-11 19:34 ` Zach Brown
2007-04-11 19:28 ` Ken Chen
2007-04-11 19:44 ` Zach Brown
2007-04-11 19:45 ` Benjamin LaHaise
2007-04-11 19:52 ` Zach Brown
2007-04-11 20:03 ` Benjamin LaHaise
2007-04-12 7:29 ` Ken Chen
2007-04-12 12:06 ` Jeff Moyer
2007-04-13 0:57 ` Ken Chen
2007-04-13 1:08 ` Ken Chen
2007-04-12 7:50 ` Ken Chen
2007-04-12 14:31 ` Benjamin LaHaise
2007-04-12 15:13 ` Benjamin LaHaise
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