From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH 2/5] Revert "KVM: MMU: Mark sp mmio cached when creating mmio spte" Date: Fri, 15 Mar 2013 23:27:37 +0800 Message-ID: <51433DE9.3060904@linux.vnet.ibm.com> References: <51433D98.4050605@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , Gleb Natapov , LKML , KVM To: Xiao Guangrong Return-path: In-Reply-To: <51433D98.4050605@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org This reverts commit 95b0430d1a53541076ffbaf453f8b49a547cceba. Will use a better way to zap all mmio shadow pages Signed-off-by: Xiao Guangrong --- arch/x86/include/asm/kvm_host.h | 1 - arch/x86/kvm/mmu.c | 3 --- 2 files changed, 0 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 9b75cae..ef7f4a5 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -230,7 +230,6 @@ struct kvm_mmu_page { #endif int write_flooding_count; - bool mmio_cached; }; struct kvm_pio_request { diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index de45ec1..fdacabb 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -199,11 +199,8 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask); static void mark_mmio_spte(u64 *sptep, u64 gfn, unsigned access) { - struct kvm_mmu_page *sp = page_header(__pa(sptep)); - access &= ACC_WRITE_MASK | ACC_USER_MASK; - sp->mmio_cached = true; trace_mark_mmio_spte(sptep, gfn, access); mmu_spte_set(sptep, shadow_mmio_mask | access | gfn << PAGE_SHIFT); } -- 1.7.7.6