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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 6EB86C6369E for ; Wed, 18 Nov 2020 16:19:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 160AF24736 for ; Wed, 18 Nov 2020 16:19:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726692AbgKRQSz (ORCPT ); Wed, 18 Nov 2020 11:18:55 -0500 Received: from mga11.intel.com ([192.55.52.93]:44042 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726189AbgKRQSy (ORCPT ); Wed, 18 Nov 2020 11:18:54 -0500 IronPort-SDR: EJi7014HSJLlgNtWJJNI+LBrRa6UpQxDMsgWN61pptqOeeNEwfaLG5y61n2PGLy+alKhkoVqST tUhfyPyHNe0g== X-IronPort-AV: E=McAfee;i="6000,8403,9808"; a="167630958" X-IronPort-AV: E=Sophos;i="5.77,488,1596524400"; d="scan'208";a="167630958" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2020 08:18:54 -0800 IronPort-SDR: IVpCU1Ahwp8XRZgwM9P7fzgvSrTOIr7HwjfQC/OZKdFiBIPX30c/XrYrj4IHiiLLic8SHsYAYG eQhXiFeJnhBA== X-IronPort-AV: E=Sophos;i="5.77,488,1596524400"; d="scan'208";a="476413155" Received: from likexu-mobl1.ccr.corp.intel.com (HELO [10.255.28.176]) ([10.255.28.176]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2020 08:18:48 -0800 Subject: Re: [PATCH v2 05/17] KVM: x86/pmu: Reprogram guest PEBS event to emulate guest PEBS counter To: Peter Zijlstra Cc: Paolo Bonzini , kvm@vger.kernel.org, Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Kan Liang , luwei.kang@intel.com, Thomas Gleixner , wei.w.wang@intel.com, Tony Luck , Stephane Eranian , Mark Gross , Srinivas Pandruvada , linux-kernel@vger.kernel.org References: <20201109021254.79755-1-like.xu@linux.intel.com> <20201109021254.79755-6-like.xu@linux.intel.com> <20201117144100.GK3121406@hirez.programming.kicks-ass.net> From: Like Xu Organization: Intel OTC Message-ID: Date: Thu, 19 Nov 2020 00:18:45 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.3 MIME-Version: 1.0 In-Reply-To: <20201117144100.GK3121406@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 2020/11/17 22:41, Peter Zijlstra wrote: > On Mon, Nov 09, 2020 at 10:12:42AM +0800, Like Xu wrote: >> + /* Indicate PEBS overflow PMI to guest. */ >> + __set_bit(62, (unsigned long *)&pmu->global_status); > > GLOBAL_STATUS_BUFFER_OVF_BIT > Thanks, I'll apply it. If you have more comments on the entire patch set, please let me know. Thanks, Like Xu