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SubjectRe: [PATCH] vhost: copy_from_user -> __copy_from_user
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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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