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=-2.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,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 43D57C04AAC for ; Mon, 20 May 2019 15:42:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0828621479 for ; Mon, 20 May 2019 15:42:37 +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="g6syb2ZM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392310AbfETPmg (ORCPT ); Mon, 20 May 2019 11:42:36 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:40466 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732399AbfETPmf (ORCPT ); Mon, 20 May 2019 11:42:35 -0400 Received: by mail-wm1-f67.google.com with SMTP id 15so9491681wmg.5; Mon, 20 May 2019 08:42:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=SPTjC0L2QaZxdzwVeAQZoNORTNv5Tk9d+oofxkweQMU=; b=g6syb2ZMWgKjJoD8Bsctzk39adCnBGCs1p68MGhrbjAGAowEHKuio2Zryq5NUspIwq 4hQNRyPI7AUYg5XkPNVaa+EdF/9gbMg5mrtPCzFrL9y2hdQAfdnwfOnZbtFDHwLwiLCc Gkgb3JBXoToqgzmkCrRHZtGydPfyYNlqXxNYZHotjWaWwHDGBoLbn/vy6aqvl8F6yW9o zs7fEF6fdmEPVEsvQ5DQyD6XCyX98XV8I80cGGyucEmUbI5jjYsmMevqx5HL14AY1bfd GILjvSqm4/35XNZnzuimRSNhewB2GdUjwghKrXBH0lZSE+91LgKVZvMZo+m1yH7Qj4Er fo6A== 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:cc:subject:date:message-id; bh=SPTjC0L2QaZxdzwVeAQZoNORTNv5Tk9d+oofxkweQMU=; b=sEj57nUX8Q63voXSuENo1Dy5Jvzzk2r8owFaJb55Wq3+LBLG1GmskQGeyJKwO5GQzM Dl+nDkIy0AVGxrjM06fzijziN5SNlyFYVMSnkJoC8DV0+dkw6AaUnIm7kBMKEVZ9zTt3 QFPdsmatAG9DaHV81FY6pYxw68ZSYZena3qh8Hs1l+Rvt2oxwJ09981NIjmmxhyaGoav xMu+3fUXWwONFPj/Ry11U/wNTJBe3fJrQ5XMbTGrPax1kJMbSLfLlP6V9HrQh/Cg9IyZ x/XykJd0vRDaymKwbdUQRClrMC3IYpf/ZeWIzef1NrvHV9RBsn17Ho6ccTdT68dNXhMv 6nXA== X-Gm-Message-State: APjAAAX1Gw22gxl75XTuLjBb885Z64wrMJsBHHeH59jZioFk1OidZxY3 vQIT0+DANLcuWmk20xTxEix9kjaK X-Google-Smtp-Source: APXvYqyMHw674x6QcYVvgnwVb6AbgaFSxwvzfftHCX05ehE0IITNP7NwS9kQQCdXuCY8AXcD/nSgmA== X-Received: by 2002:a7b:c5cd:: with SMTP id n13mr7726497wmk.67.1558366953225; Mon, 20 May 2019 08:42:33 -0700 (PDT) Received: from 640k.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id v11sm15851995wrq.80.2019.05.20.08.42.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 08:42:32 -0700 (PDT) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: Sean Christopherson , Nadav Amit Subject: [PATCH 0/2] KVM: x86/pmu: do not mask the value that is written to fixed PMUs Date: Mon, 20 May 2019 17:42:29 +0200 Message-Id: <1558366951-19259-1-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 The first patch is a small refactoring to enforce masking of values returned by RDPMC and RDMSR. The second patch fix pmu_intel.c to behave the same as real hardware; this fixes the failing tests introduced in kvm-unit-tests by "x86: PMU: Fix PMU counters masking". (Nadav, this is just FYI. I am not CCing you on individual patches to avoid problems with your corporate overlords, and I am not expecting a review from you). Paolo Paolo Bonzini (2): KVM: x86/pmu: mask the result of rdpmc according to the width of the counters KVM: x86/pmu: do not mask the value that is written to fixed PMUs arch/x86/kvm/pmu.c | 10 +++------- arch/x86/kvm/pmu.h | 3 ++- arch/x86/kvm/pmu_amd.c | 2 +- arch/x86/kvm/vmx/pmu_intel.c | 26 +++++++++++++++++--------- 4 files changed, 23 insertions(+), 18 deletions(-) -- 1.8.3.1