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Date: Tue, 10 Apr 2007 22:18:49 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: kenchen@...gle.com (Ken Chen) Cc: linux-aio@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [patch] convert aio event reap to use atomic-op instead of spin_lock On Tue, 10 Apr 2007 16:53:53 -0700 (PDT) kenchen@...gle.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(). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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