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    SubjectRe: [PATCH] vhost-net: switch to smp barriers
    On Mon, Feb 08, 2010 at 06:49:39PM +1030, Rusty Russell wrote:
    > On Sun, 7 Feb 2010 07:37:49 pm Michael S. Tsirkin wrote:
    > > On Mon, Feb 01, 2010 at 07:21:02PM +0200, Michael S. Tsirkin wrote:
    > > > vhost-net only uses memory barriers to control SMP effects
    > > > (communication with userspace potentially running on a different CPU),
    > > > so it should use SMP barriers and not mandatory barriers for memory
    > > > access ordering, as suggested by Documentation/memory-barriers.txt
    > > >
    > > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
    > >
    > >
    > > Rusty, any feedback on this one?
    > > Thanks!
    >
    > Yep. barrier() is correct on UP to guard against preemption.
    >
    > Acked-by: Rusty Russell <rusty@rustcorp.com.au>
    >
    > Thanks,
    > Rusty.

    Dave, I see it's marked "not applicable":
    http://patchwork.ozlabs.org/patch/44207/
    the patch applies to net-next as of
    b3b3f04fb587ecb61b5baa6c1c5f0e666fd12d73.
    Can this be queued up please?
    Should I resubmit with Rusty's ack?

    Thanks!

    --
    MST


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