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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no 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 21BBCC433E0 for ; Tue, 16 Jun 2020 16:24:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E843520786 for ; Tue, 16 Jun 2020 16:24:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Y1c6FPq2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730194AbgFPQY4 (ORCPT ); Tue, 16 Jun 2020 12:24:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729386AbgFPQYz (ORCPT ); Tue, 16 Jun 2020 12:24:55 -0400 Received: from mail-io1-xd44.google.com (mail-io1-xd44.google.com [IPv6:2607:f8b0:4864:20::d44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F808C06174E for ; Tue, 16 Jun 2020 09:24:55 -0700 (PDT) Received: by mail-io1-xd44.google.com with SMTP id o5so22552628iow.8 for ; Tue, 16 Jun 2020 09:24:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=oHU5NIj28mFBazu9jdqEVaKFMbdsjaboVO1Xjcptaqs=; b=Y1c6FPq275I90ZY+g0ftWg5KQkd1D+8GqwaUSjZUJoK0rstULwyRaN4x6eKhEmbJjf QPQe+soc9cGuoZCFIWUcuUjIKN0A6zZtGWoGt1IQBgjs6lqQVlD7uNzNgKkp7lsEMKoa PSkh4qlK00BTuN2ZPq3YCVyjo3tbhyKXLxc3R/UFheQFEEi1h3HD7MsA936xUCEyWU9G IZumGTqJ3lTToH6U4GoJv1Jh52/aet6V2cDzMIUdT3CgQvkp0fLLJNFNUjB61qpgY/oK Mfh5aUcbVRoZFWIndjuzoW2pK08ag7n6l7x/fICh+ZZV2ApZujcMyD0QG7IHCGnzZfdT MESA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=oHU5NIj28mFBazu9jdqEVaKFMbdsjaboVO1Xjcptaqs=; b=idcAZmwjV1+x7Ije/7N1U7dd4u06DjtJuXAJdf255qV8tk1nP4D4QbeYaBMLfdw0VH GDTN7taKNnO7W+kqUvF7/gz3eK/crfdBorgHwzvzRHzVJJZajglS7LKzcSt+LzgdT3Pi MUFqYpCHPlcTvAqK63w7K2T8+DyW7fpMfOaTn3UzOLAXz4ftB6k0DExgwoE5L7zT7QcT wZhYqATxF7ReCp+Pw+tXAqZztgV4j8XKiNPzDK3jjaAeq3o7gD4uSrYZOEboLo8moTbO lxzFBMzreT5d2LEc9J2QRwImjXTskkrEz5jfVG4PqQarkCjDPwzcfoplV4K7OtIPBzV7 wJBA== X-Gm-Message-State: AOAM530J9vkuUjbhBLyWaVR2s7FHZA9f62lgVs4E3/KPgUL5CxVH6SIF XSxUIo2SoUs6eE9COZmDx17OoxewTS6FnLDEXxArbQ== X-Google-Smtp-Source: ABdhPJz6daLARwINz1z8LOJd4TBWGCiIuoS7XuQTJSE+8zWd6pJytz4lbvrsJEBrFmTx9/LKJmuob4k32nzTsdscrnQ= X-Received: by 2002:a02:3406:: with SMTP id x6mr26671587jae.24.1592324694558; Tue, 16 Jun 2020 09:24:54 -0700 (PDT) MIME-Version: 1.0 References: <20200616161427.375651-1-vkuznets@redhat.com> In-Reply-To: <20200616161427.375651-1-vkuznets@redhat.com> From: Jim Mattson Date: Tue, 16 Jun 2020 09:24:42 -0700 Message-ID: Subject: Re: [PATCH] KVM: SVM: drop MSR_IA32_PERF_CAPABILITIES from emulated MSRs To: Vitaly Kuznetsov Cc: kvm list , Paolo Bonzini , Sean Christopherson , Wanpeng Li , Like Xu , LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 16, 2020 at 9:14 AM Vitaly Kuznetsov wrote: > > state_test/smm_test selftests are failing on AMD with: > "Unexpected result from KVM_GET_MSRS, r: 51 (failed MSR was 0x345)" > > MSR_IA32_PERF_CAPABILITIES is an emulated MSR indeed but only on Intel, > make svm_has_emulated_msr() skip it so it is not returned by > KVM_GET_MSR_INDEX_LIST. Do we need to support this MSR under SVM for cross-vendor migration? Or, have we given up on that?