[PATCH 26/35] KVM: MMU: update invlpg handler comment

Avi Kivity
2009-11-19T13:35:09Z

From: Marcelo Tosatti <mtosatti@redhat.com>

Large page translations are always synchronized (either in level 3
or level 2), so its not necessary to properly deal with them
in the invlpg handler.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/paging_tmpl.h | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 72558f8..a601713 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -467,7 +467,6 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
level = iterator.level;
sptep = iterator.sptep;

- /* FIXME: properly handle invlpg on large guest pages */
if (level == PT_PAGE_TABLE_LEVEL ||
((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
--
1.6.5.2