On Thu, Jul 01, 2010 at 09:55:56PM +0800, Xiao Guangrong wrote: > Combine guest pte read between guest pte walk and pte prefetch > > Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> > --- > arch/x86/kvm/paging_tmpl.h | 48 ++++++++++++++++++++++++++++++------------- > 1 files changed, 33 insertions(+), 15 deletions(-) Can't do this, it can miss invlpg: vcpu0 vcpu1 read guest ptes modify guest pte invlpg instantiate stale guest pte See how the pte is reread inside fetch with mmu_lock held. Otherwise the patchset looks fine to me. -- 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