2010-04-25 07:03:36

by Xiao Guangrong

[permalink] [raw]
Subject: [PATCH v2 4/10] KVM MMU: cleanup invlpg code

Using is_last_spte() to cleanup invlpg code

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

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 83cc72f..8eb98eb 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -474,9 +474,7 @@ static void FNAME(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