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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 16:08:19 +0200
User-agent: Mutt/1.5.19 (2009-01-05)

On Wed, Nov 11, 2009 at 01:45:35PM +0000, Paul Brook wrote:
> If you don't need real barriers, then why does the kvm code have them?

We need real barriers but AFAIK kvm does not have them :(
IOW: virtio is currently broken with kvm, and my patch did
not fix this. The comment that I added says as much.


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