Messages in this thread | | | Date | Sun, 06 Mar 2011 18:03:39 -0800 (PST) | Subject | Re: [PATCH] vhost: copy_from_user -> __copy_from_user | From | David Miller <> |
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From: "Michael S. Tsirkin" <mst@redhat.com> Date: Sun, 6 Mar 2011 13:33:49 +0200
> copy_from_user is pretty high on perf top profile, > replacing it with __copy_from_user helps. > It's also safe because we do access_ok checks during setup. > > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Is Rusty going to take this or should I?
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