From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30D8BC433E2 for ; Wed, 16 Sep 2020 08:36:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C647920795 for ; Wed, 16 Sep 2020 08:36:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="I/nL8EJJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726507AbgIPIga (ORCPT ); Wed, 16 Sep 2020 04:36:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725840AbgIPIg3 (ORCPT ); Wed, 16 Sep 2020 04:36:29 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9191CC06174A; Wed, 16 Sep 2020 01:36:29 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id x123so3547026pfc.7; Wed, 16 Sep 2020 01:36:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KT47zfJmk0l7JghqVT5ZA5rEy8OCXlg/IWMuynysqoI=; b=I/nL8EJJEdwYLLDbfZjvs/cqVdyYo5txPiN1xZ7rkpBRmJIrn4u3/Hxb/wjG0rehZ4 go8mNOFsVCgqGnSnLZmn/UzVoh2xfNa+X3CCDeB3LHXqFStfNJGGepQWWqzMC2fr2SBX jFO7fNse+b7YDJPRBTLT5WU5LurvCTxoxZrUBETu8viXtFAGMS2s+tx1ar7I865v/9OA UgSE00xU6hImInbi57hnzYOEXHz/pljPeYAgf7t3xjpOnOLjdeuTSo09aMewwx40FzQZ kXUm/+RR29oDy8NYBYVxRGgILZWO1Z4grhJrMqZ7/Zkh/+yrNSowDNAPtj/FkJahh6z6 9fMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KT47zfJmk0l7JghqVT5ZA5rEy8OCXlg/IWMuynysqoI=; b=B71yEVDtW3O/UK5BI54ukkkUoAJ+1LUvnn/qWc0cVLx5p2pCEOnZr3iWBIvhWgpURI Od9HrDkDCH0t5Vt8VPm1IZXxgTl4Xk1lK/0EbsYjxs1wEUA8oaSKSLlPivhqCX+ZoIAM 2Fl6vLdHeccVveCRxARZoqjR5QbRjr7QPLqJYfoJsSw0/t2MEhyydswNIIodsIv5aYXP BoaNeZ4KDEgDe4meLSC0UiN+4ZUDjmz78+4I9TPYUuGIr+5NKuaeLaG8WC6sitTv7e9/ VOcssN1p4hRwnbA46pkkDSwagSvj7O/8CcacCmyddD7juGFVoU8AgO21/D2NNq1mLg+3 xEAg== X-Gm-Message-State: AOAM532Zq4caHrn/qcoWk/eq6xc7fRkbFBfp7vWiKvTsIoXdbTo5HdDh 0fEEDqWHdZNyLUhnhA2VL3o5/Bvs0ngo X-Google-Smtp-Source: ABdhPJxniQ3ds4YHSA2Ue2nrlmMmPPLMCqvXrVwKt7jYep+pX01hfC0BD9DPul4ueTvSoZH0p7Z6ng== X-Received: by 2002:a63:8ac8:: with SMTP id y191mr17492646pgd.159.1600245388877; Wed, 16 Sep 2020 01:36:28 -0700 (PDT) Received: from LiHaiwei.tencent.com ([203.205.141.64]) by smtp.gmail.com with ESMTPSA id w6sm14523417pgf.72.2020.09.16.01.36.24 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Sep 2020 01:36:28 -0700 (PDT) From: lihaiwei.kernel@gmail.com To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org Cc: pbonzini@redhat.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, Haiwei Li Subject: [PATCH] KVM: SVM: use __GFP_ZERO instead of clear_page() Date: Wed, 16 Sep 2020 16:36:21 +0800 Message-Id: <20200916083621.5512-1-lihaiwei.kernel@gmail.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Haiwei Li Use __GFP_ZERO while alloc_page(). Signed-off-by: Haiwei Li --- arch/x86/kvm/svm/avic.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index ac830cd50830..f73f84d56452 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -153,20 +153,18 @@ int avic_vm_init(struct kvm *kvm) return 0; /* Allocating physical APIC ID table (4KB) */ - p_page = alloc_page(GFP_KERNEL_ACCOUNT); + p_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO); if (!p_page) goto free_avic; kvm_svm->avic_physical_id_table_page = p_page; - clear_page(page_address(p_page)); /* Allocating logical APIC ID table (4KB) */ - l_page = alloc_page(GFP_KERNEL_ACCOUNT); + l_page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO); if (!l_page) goto free_avic; kvm_svm->avic_logical_id_table_page = l_page; - clear_page(page_address(l_page)); spin_lock_irqsave(&svm_vm_data_hash_lock, flags); again: -- 2.18.4