linux-kernel - [PATCH 5/10] KVM MMU: cleanup invlpg code

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Message-ID: <4BCFE8E8.8000609@cn.fujitsu.com>
Date:	Thu, 22 Apr 2010 14:12:56 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	KVM list <kvm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 5/10] KVM MMU: cleanup invlpg code

Using is_last_spte() to cleanup invlpg code

Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
---
 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


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