Messages in this thread | | | Date | Thu, 1 Dec 2011 11:09:21 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [RFC] virtio: use mandatory barriers for remote processor vdevs |
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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.
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