Re: [PATCH] vhost: copy_from_user -> __copy_from_user
From: David Miller <davem@davemloft.net>
Date: 2011-03-07 02:03:06
Also in:
kvm, lkml
From: "Michael S. Tsirkin" <mst@redhat.com> Date: Sun, 6 Mar 2011 13:33:49 +0200
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>
Is Rusty going to take this or should I?