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    SubjectRe: [PATCH RFC] virtio-net: remove useless disable on freeze
    On Thu, May 03, 2012 at 04:29:59PM +0530, Amit Shah wrote:
    > On (Wed) 04 Apr 2012 [12:19:55], Michael S. Tsirkin wrote:
    > > disable_cb is just an optimization: it
    > > can not guarantee that there are no callbacks.
    > Even then, what's the harm in keeping it? If indeed there's an
    > attempt to raise an interrupt after the host has been notified, it
    > will be suppressed.

    It won't. It's not a guarantee, e.g. with event index on
    it does nothing at all.

    > Also, disable_cb seems to be used elsewhere in the virtio_net.c file,
    > to suit similar purposes.
    > Amit


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