From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH v2 01/16] KVM: MMU: cleanup __direct_map Date: Fri, 13 Apr 2012 18:09:50 +0800 Message-ID: <4F87FB6E.5010606@linux.vnet.ibm.com> References: <4F87FA69.5060106@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Avi Kivity , Marcelo Tosatti , LKML , KVM To: Xiao Guangrong Return-path: In-Reply-To: <4F87FA69.5060106@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Use link_shadow_page to link the sp to the spte in __direct_map Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 12 ++++-------- 1 files changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 29ad6f9..151fcddc 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1850,9 +1850,9 @@ static void link_shadow_page(u64 *sptep, struct kvm_mmu_page *sp) { u64 spte; - spte = __pa(sp->spt) - | PT_PRESENT_MASK | PT_ACCESSED_MASK - | PT_WRITABLE_MASK | PT_USER_MASK; + spte = __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK | + shadow_user_mask | shadow_x_mask | shadow_accessed_mask; + mmu_spte_set(sptep, spte); } @@ -2541,11 +2541,7 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, return -ENOMEM; } - mmu_spte_set(iterator.sptep, - __pa(sp->spt) - | PT_PRESENT_MASK | PT_WRITABLE_MASK - | shadow_user_mask | shadow_x_mask - | shadow_accessed_mask); + link_shadow_page(iterator.sptep, sp); } } return emulate; -- 1.7.7.6