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authorMichael S. Tsirkin <mst@redhat.com>2011-03-06 13:33:49 +0200
committerMichael S. Tsirkin <mst@redhat.com>2011-03-08 18:03:05 +0200
commitfcc042a2806064ffcaed7a0c5cb710eca0e99108 (patch)
tree74546d2639c7cb046b7bac0039f4d6f2a71efeda /sound/soc/omap
parentd47effe1be0c4fc983306a9c704632e3a087eed8 (diff)
downloadblackbird-op-linux-fcc042a2806064ffcaed7a0c5cb710eca0e99108.tar.gz
blackbird-op-linux-fcc042a2806064ffcaed7a0c5cb710eca0e99108.zip
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>
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