linux-kernel - [PATCH 3/5] KVM: vmx: don't vmx_segment_cache_clear twice in enter

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Date:	Mon, 18 Aug 2014 17:50:29 +0800
From:	Wanpeng Li <wanpeng.li@...ux.intel.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	Gleb Natapov <gleb@...nel.org>, hpa@...or.com, x86@...nel.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Wanpeng Li <wanpeng.li@...ux.intel.com>
Subject: [PATCH 3/5] KVM: vmx: don't vmx_segment_cache_clear twice in enter_pmode

vmx_segment_cache_clear() will be called by vmx_set_segment() 
which lead to vmx_segment_cache_clear() is called twice in 
enter_pmode(). This patch remove the duplicate call site. 

Reviewed-by: Yang Zhang <yang.z.zhang@...el.com>
Signed-off-by: Wanpeng Li <wanpeng.li@...ux.intel.com>
---
 arch/x86/kvm/vmx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2963303..c97c44c 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3183,8 +3183,6 @@ static void enter_pmode(struct kvm_vcpu *vcpu)
 
 	vmx->rmode.vm86_active = 0;
 
-	vmx_segment_cache_clear(vmx);
-
 	vmx_set_segment(vcpu, &vmx->rmode.segs[VCPU_SREG_TR], VCPU_SREG_TR);
 
 	flags = vmcs_readl(GUEST_RFLAGS);
-- 
1.9.1

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