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SubjectRe: [RFC] virtio: use mandatory barriers for remote processor vdevs
On Thu, Dec 01, 2011 at 08:14:26AM +0200, Ohad Ben-Cohen wrote:
> On Thu, Dec 1, 2011 at 1:13 AM, Michael S. Tsirkin <mst@redhat.com> wrote:
> > For x86, stores into memory are ordered. So I think that yes, smp_XXX
> > can be selected at compile time.
>
> But then you can't use the same kernel image for both scenarios.

I was talking about virtio-pci. That always allocates the ring
in the normal memory.

> It won't take long until people will use virtio on ARM for both
> virtualization and for talking to devices, and having to rebuild the
> kernel for different use cases is nasty.

Yes, I understand that it's nasty.

> _______________________________________________
> Virtualization mailing list
> Virtualization@lists.linux-foundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/virtualization


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