2010-04-22 06:16:08

by Xiao Guangrong

[permalink] [raw]
Subject: [PATCH 5/10] KVM MMU: cleanup invlpg code

Using is_last_spte() to cleanup invlpg code

Signed-off-by: Xiao Guangrong <[email protected]>
---
arch/x86/kvm/mmu.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index fac7c09..fd027a6 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2271,9 +2271,7 @@ static void paging_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
level = iterator.level;
sptep = iterator.sptep;

- if (level == PT_PAGE_TABLE_LEVEL ||
- ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
- ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
+ if (is_last_spte(*sptep, level)) {
struct kvm_mmu_page *sp = page_header(__pa(sptep));
int offset = 0;

--
1.6.1.2