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| author | Michael S. Tsirkin <mst@redhat.com> | 2011-03-06 13:33:49 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2011-03-08 18:03:05 +0200 |
| commit | fcc042a2806064ffcaed7a0c5cb710eca0e99108 (patch) | |
| tree | 74546d2639c7cb046b7bac0039f4d6f2a71efeda /kernel/Kconfig.freezer | |
| parent | d47effe1be0c4fc983306a9c704632e3a087eed8 (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>
Diffstat (limited to 'kernel/Kconfig.freezer')
0 files changed, 0 insertions, 0 deletions