From: Gleb Natapov <gleb@redhat.com>
Date: Wed, 30 Jan 2013 14:45:04 +0000 (+0200)
Subject: KVM: MMU: drop superfluous is_present_gpte() check.
X-Git-Tag: v3.9-rc1~97^2~7^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb3fce87ccc5d38b1ad340f32e34abc09911fb83;p=platform%2Fkernel%2Flinux-exynos.git

KVM: MMU: drop superfluous is_present_gpte() check.

Gust page walker puts only present ptes into ptes[] array. No need to
check it again.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index ca69dcc..34c5c99 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -409,9 +409,6 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 	unsigned direct_access, access = gw->pt_access;
 	int top_level, emulate = 0;
 
-	if (!is_present_gpte(gw->ptes[gw->level - 1]))
-		return 0;
-
 	direct_access = gw->pte_access;
 
 	top_level = vcpu->arch.mmu.root_level;