On Sun, 24 Apr 2011 10:27:06 +0300 Avi Kivity <avi@xxxxxxxxxx> wrote: > On 04/21/2011 06:34 PM, Takuya Yoshikawa wrote: > > From: Takuya Yoshikawa<yoshikawa.takuya@xxxxxxxxxxxxx> > > > > This patch optimizes the guest page table walk by using get_user() > > instead of copy_from_user(). > > > > With this patch applied, paging64_walk_addr_generic() has become > > about 0.5us to 1.0us faster on my Phenom II machine with NPT on. > > Applied, thanks. Care to send a follow-on patch that makes > cmpxchg_gpte() use ptep_user instead of calculating it by itself? I'll send the patch soon! I was not sure if others might be preparing it. Takuya -- 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