vhost: copy_from_user -> __copy_from_user

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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>

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Michael S. Tsirkin 2011-03-06 13:33:49 +02:00

parent d47effe1be

commit fcc042a280

1 changed files with 1 additions and 1 deletions

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drivers/vhost/vhost.c

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