From patchwork Thu Oct 15 10:40:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takuya Yoshikawa X-Patchwork-Id: 7404471 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E2E289F302 for ; Thu, 15 Oct 2015 10:28:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1AB1020843 for ; Thu, 15 Oct 2015 10:28:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CCE220841 for ; Thu, 15 Oct 2015 10:28:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751011AbbJOK1x (ORCPT ); Thu, 15 Oct 2015 06:27:53 -0400 Received: from tama500.ecl.ntt.co.jp ([129.60.39.148]:32819 "EHLO tama500.ecl.ntt.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750939AbbJOK1w (ORCPT ); Thu, 15 Oct 2015 06:27:52 -0400 Received: from vc2.ecl.ntt.co.jp (vc2.ecl.ntt.co.jp [129.60.86.154]) by tama500.ecl.ntt.co.jp (8.13.8/8.13.8) with ESMTP id t9FARmnJ018257; Thu, 15 Oct 2015 19:27:48 +0900 Received: from vc2.ecl.ntt.co.jp (localhost [127.0.0.1]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id A94705F594; Thu, 15 Oct 2015 19:27:48 +0900 (JST) Received: from imail2.m.ecl.ntt.co.jp (imail2.m.ecl.ntt.co.jp [129.60.5.247]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id 9B7435F592; Thu, 15 Oct 2015 19:27:48 +0900 (JST) Received: from localhost.localdomain ([129.60.241.212]) by imail2.m.ecl.ntt.co.jp (8.13.8/8.13.8) with SMTP id t9FARmEa003820; Thu, 15 Oct 2015 19:27:48 +0900 Date: Thu, 15 Oct 2015 19:40:49 +0900 From: Takuya Yoshikawa To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/5] KVM: x86: MMU: Make force_pt_level bool Message-Id: <20151015194049.8baba43bcb79d0fd1c335d1a@lab.ntt.co.jp> In-Reply-To: <20151015193953.7a277f640c7dfd19e8b8dcee@lab.ntt.co.jp> References: <20151015193953.7a277f640c7dfd19e8b8dcee@lab.ntt.co.jp> X-Mailer: Sylpheed 3.4.2 (GTK+ 2.24.28; x86_64-redhat-linux-gnu) Mime-Version: 1.0 X-TM-AS-MML: disable Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This will be passed to a function later. Signed-off-by: Takuya Yoshikawa --- arch/x86/kvm/mmu.c | 8 ++++---- arch/x86/kvm/paging_tmpl.h | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b8482c0..2262728 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2962,7 +2962,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code, { int r; int level; - int force_pt_level; + bool force_pt_level; pfn_t pfn; unsigned long mmu_seq; bool map_writable, write = error_code & PFERR_WRITE_MASK; @@ -3476,7 +3476,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, pfn_t pfn; int r; int level; - int force_pt_level; + bool force_pt_level; gfn_t gfn = gpa >> PAGE_SHIFT; unsigned long mmu_seq; int write = error_code & PFERR_WRITE_MASK; @@ -3497,9 +3497,9 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code, if (mapping_level_dirty_bitmap(vcpu, gfn) || !check_hugepage_cache_consistency(vcpu, gfn, PT_DIRECTORY_LEVEL)) - force_pt_level = 1; + force_pt_level = true; else - force_pt_level = 0; + force_pt_level = false; if (likely(!force_pt_level)) { level = mapping_level(vcpu, gfn); diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 736e6ab..07f1a4e 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -698,7 +698,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code, int r; pfn_t pfn; int level = PT_PAGE_TABLE_LEVEL; - int force_pt_level; + bool force_pt_level; unsigned long mmu_seq; bool map_writable, is_self_change_mapping; @@ -747,7 +747,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr, u32 error_code, force_pt_level = mapping_level_dirty_bitmap(vcpu, walker.gfn) || is_self_change_mapping; else - force_pt_level = 1; + force_pt_level = true; if (!force_pt_level) { level = min(walker.level, mapping_level(vcpu, walker.gfn)); walker.gfn = walker.gfn & ~(KVM_PAGES_PER_HPAGE(level) - 1);