linux-kernel - [PATCH 1/3] KVM: MMU: remove unnecessary remote tlb flush

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Message-ID: <4C0E31F1.70803@cn.fujitsu.com>
Date:	Tue, 08 Jun 2010 20:05:05 +0800
From:	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	KVM list <kvm@...r.kernel.org>
Subject: [PATCH 1/3] KVM: MMU: remove unnecessary remote tlb flush

This remote tlb flush is no necessary since we have synced while
sp is zapped

Signed-off-by: Xiao Guangrong <xiaoguangrong@...fujitsu.com>
---
 arch/x86/kvm/mmu.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 6b2c644..959c248 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3038,8 +3038,6 @@ restart:
 
 	kvm_mmu_commit_zap_page(kvm, &invalid_list);
 	spin_unlock(&kvm->mmu_lock);
-
-	kvm_flush_remote_tlbs(kvm);
 }
 
 static int kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
-- 
1.6.1.2

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