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[5/6] KVM: MMU: drop superfluous is_present_gpte() check.

Message ID 1359556953-30673-6-git-send-email-y (mailing list archive)
State New, archived
Headers show

Commit Message

y@redhat.com Jan. 30, 2013, 2:42 p.m. UTC 
From: Gleb Natapov <gleb@redhat.com>

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

Signed-off-by: Gleb Natapov <gleb@redhat.com>
---
 arch/x86/kvm/paging_tmpl.h |    3 ---
 1 file changed, 3 deletions(-)
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Patch

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;