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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 F0BC6C10F11 for ; Wed, 10 Apr 2019 09:55:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BCF5C20830 for ; Wed, 10 Apr 2019 09:55:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SBIfW8Bj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730255AbfDJJzZ (ORCPT ); Wed, 10 Apr 2019 05:55:25 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:51766 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726630AbfDJJzZ (ORCPT ); Wed, 10 Apr 2019 05:55:25 -0400 Received: by mail-wm1-f67.google.com with SMTP id 4so1916180wmf.1; Wed, 10 Apr 2019 02:55:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:subject:date:message-id; bh=aKeSTMQjglWGWQ91852+W2B2sqS7Gn4OwXBiExaxOTE=; b=SBIfW8BjpdnKEttHAx7OWihVAqLr6TIJYpgGWBzR/amL0NZaJa681VixCO8pc2wWiG wfRdQjhFImTNdLzhyjuOfcQFTR7Ksvf14XuSEoWywtIgWa7daVhZoGkUXrABusvPFhfg QwYlFFMc2cxX6JEd1muRCzJILSO6rUb3aHw46rG2w7ut2AN+Qc5pfWoeQi7NmqMKTEjX ozTKa12MU/nxXsgciEngqJG2Zufz6H22+8on1YamlAq+Vvnu2vccuyN0h61zVT1CdWVx SXn4wO/sZc17NcoUiwjfWG4Ia0P6rhsbTqFw0y9yUYjoJ9/TcA7CNMJ/UpK66W2lKa3M 5kDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:subject:date:message-id; bh=aKeSTMQjglWGWQ91852+W2B2sqS7Gn4OwXBiExaxOTE=; b=bDz/TVFDlBGhvnDg4HrjFnbisZuo60VenEVXy4dN5tc1a1EEaIIsoJvwBm9JUlfRN2 9sP0up9I4SYf2unV4JgHobuif3osNBLnYqDwcIEqGcp6XCky27gvw3WW0JXkynIkc+Pg tGPC1jAZhBtKligFtfuM9xjM8vsU4we68XcB0uZB4sgIILstmKBxbzy2XyTZaTM/XFOP MS3bcv1exd5z6YJGPjf7fGOIaTY9cQUvmuGTytiyXVBqXnXrs9ALNpD/bRQb6dngdNvU 78u5bjY0Vym9yiLj7czxDBSJeq0jgaOnvLj+cf21an+tiqDaqXyUHIhyT5KVYQ9ftvBb RW2Q== X-Gm-Message-State: APjAAAVxdmTOJpKYscCYFMt7jgYw8O75S6y+wH/bNdDKJPsoHEnXhUnd HXZSd/ujLX/S84Yoexo9aCF2XVhT X-Google-Smtp-Source: APXvYqwxdyleq6ClHxOFvX4yWIOutyO+WKk9c9LyezSXA6qK6+Qii5rZ/ejntCbHknvJfmgbtL8adA== X-Received: by 2002:a05:600c:211a:: with SMTP id u26mr2259684wml.74.1554890122791; Wed, 10 Apr 2019 02:55:22 -0700 (PDT) Received: from 640k.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id z18sm54965915wrr.90.2019.04.10.02.55.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Apr 2019 02:55:22 -0700 (PDT) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: [PATCH] KVM: x86: clear VM_EXIT_SAVE_IA32_PAT Date: Wed, 10 Apr 2019 11:55:21 +0200 Message-Id: <1554890121-57272-1-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is not needed, PAT writes always take an MSR vmexit. Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx/vmx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 687d80cca09f..b6c533afbf27 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -2288,7 +2288,6 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf, min |= VM_EXIT_HOST_ADDR_SPACE_SIZE; #endif opt = VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | - VM_EXIT_SAVE_IA32_PAT | VM_EXIT_LOAD_IA32_PAT | VM_EXIT_LOAD_IA32_EFER | VM_EXIT_CLEAR_BNDCFGS | -- 1.8.3.1