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linux/drivers/vhost/vhost.c
Michael S. Tsirkin fcc042a280 vhost: copy_from_user -> __copy_from_user 
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>
2011-03-08 18:03:05 +02:00

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