Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755656Ab3COP1t (ORCPT ); Fri, 15 Mar 2013 11:27:49 -0400 Received: from e28smtp05.in.ibm.com ([122.248.162.5]:39194 "EHLO e28smtp05.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755319Ab3COP1r (ORCPT ); Fri, 15 Mar 2013 11:27:47 -0400 Message-ID: <51433DE9.3060904@linux.vnet.ibm.com> Date: Fri, 15 Mar 2013 23:27:37 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Xiao Guangrong CC: Marcelo Tosatti , Gleb Natapov , LKML , KVM Subject: [PATCH 2/5] Revert "KVM: MMU: Mark sp mmio cached when creating mmio spte" References: <51433D98.4050605@linux.vnet.ibm.com> In-Reply-To: <51433D98.4050605@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13031515-8256-0000-0000-000006A4F4DD Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1409 Lines: 45 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/