From: "Michael S. Tsirkin" <mst@xxxxxxxxxx> 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@xxxxxxxxxx> Is Rusty going to take this or should I? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html