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[Qemu-devel] Re: [PATCH] qemu/virtio: make wmb compiler barrier + commen

From: Michael S. Tsirkin
Subject: [Qemu-devel] Re: [PATCH] qemu/virtio: make wmb compiler barrier + comments
Date: Wed, 11 Nov 2009 15:15:55 +0200
User-agent: Mutt/1.5.19 (2009-01-05) 
On Wed, Nov 11, 2009 at 01:01:03PM +0000, Paul Brook wrote:
> A "compiler memory barrier" provides absolutely no guarantees in a 
> multithreaded environment.

Claims including words "absolutely no" have absolutely no
chance to be correct.

-- 
MST
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