From: "Michael S. Tsirkin" <mst@redhat.com>
To: Paul Brook <paul@codesourcery.com>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH] qemu/virtio: make wmb compiler barrier + comments
Date: Wed, 11 Nov 2009 15:15:55 +0200 [thread overview]
Message-ID: <20091111131554.GD23036@redhat.com> (raw)
In-Reply-To: <200911111301.03427.paul@codesourcery.com>
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
prev parent reply other threads:[~2009-11-11 13:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-26 13:17 [Qemu-devel] [PATCH] qemu/virtio: make wmb compiler barrier + comments Michael S. Tsirkin
2009-11-11 1:34 ` Paul Brook
2009-11-11 9:37 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-11 13:01 ` Paul Brook
2009-11-11 13:12 ` Michael S. Tsirkin
2009-11-11 13:45 ` Paul Brook
2009-11-11 14:08 ` Michael S. Tsirkin
2009-11-11 14:16 ` Paul Brook
2009-11-11 14:34 ` Michael S. Tsirkin
2009-11-11 16:13 ` Paul Brook
2009-11-11 17:18 ` Scott Tsai
2009-11-11 18:08 ` Michael S. Tsirkin
2009-11-11 18:09 ` Michael S. Tsirkin
2009-11-11 18:37 ` Scott Tsai
2009-11-11 19:56 ` Michael S. Tsirkin
2009-11-13 3:00 ` Jamie Lokier
2009-11-11 13:15 ` Michael S. Tsirkin [this message]
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