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(parent: d47effe) | patch
vhost: copy_from_user -> __copy_from_user
authorMichael S. Tsirkin <mst@redhat.com>
Sun, 6 Mar 2011 11:33:49 +0000 (13:33 +0200)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 8 Mar 2011 16:03:05 +0000 (18:03 +0200)
commitfcc042a2806064ffcaed7a0c5cb710eca0e99108
tree74546d2639c7cb046b7bac0039f4d6f2a71efedatree | snapshot (tar.gz zip)
parentd47effe1be0c4fc983306a9c704632e3a087eed8commit | diff
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>
drivers/vhost/vhost.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)