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Message-ID: <4EEB1AC3.3020709@linux.vnet.ibm.com> Date: Fri, 16 Dec 2011 18:17:39 +0800 From: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> To: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> CC: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>, LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org> Subject: [PATCH 6/8] KVM: MMU: optimize handing invlpg Use unsync bit to see if the spte is point to unsync child Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> --- arch/x86/kvm/paging_tmpl.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index c79c503..5333256 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -706,7 +706,7 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva) FNAME(update_pte)(vcpu, sp, sptep, &gpte); } - if (!is_shadow_present_pte(*sptep) || !sp->unsync_children) + if (!mmu_spte_is_unsync_child(sptep)) break; } spin_unlock(&vcpu->kvm->mmu_lock); -- 1.7.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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