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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 9C88DCA9EB9 for ; Mon, 21 Oct 2019 08:12:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D7842089C for ; Mon, 21 Oct 2019 08:12:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727689AbfJUIMv (ORCPT ); Mon, 21 Oct 2019 04:12:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59112 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727597AbfJUIMu (ORCPT ); Mon, 21 Oct 2019 04:12:50 -0400 Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7641F85545 for ; Mon, 21 Oct 2019 08:12:50 +0000 (UTC) Received: by mail-wm1-f69.google.com with SMTP id v26so2458508wmh.2 for ; Mon, 21 Oct 2019 01:12:50 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=iMBlsmTbyc1by6UD9+Cjcv74kSZEU4gLAG9XLb3vXMM=; b=QpVmjnUu0dZLwH9TbJ2gxLy3njTpXglFtWuqzuFqq8T+Pi0aT6ogVcWc9QPKmVeMNb UkWGsD9FwXrSBu+hwa5wRLLs2XrdaV5z6/OoKrYXqDCha1mpA5xkr/3i6SbxjTBCv7iP C+82f02Pjss1a8v78YnpeU6L/FDym7m5XdjkPC8I3XqqF9lUo83E7u4ZTGJ26Ui21o+a WjGezwwSan02XKOcAZLThsFRBjqCm045BBPVwhmQcinEMD+f2z/0+xmpJHvcFKHrILFn EQAMk4PNNUFynABgLhFQsf/EqYc76WZrmWKHVLk04dpJ5oQRge35AMbgqfft5uB7kX5l s6JA== X-Gm-Message-State: APjAAAWzI2atWmb+QGwHNRDkHwxk7fazTclDpCGBUlAV7S2Ca2pdJISo ayAMq1nFrMXerrDK7UbBYtTvlCBWhrv6BR4b8u0C4d4sJmuL7eNQMlwJm8kFafamaNWnqMVuc2A /7y8afgawS/rtI1qJP8M4mpav X-Received: by 2002:a05:600c:2503:: with SMTP id d3mr19263027wma.44.1571645568972; Mon, 21 Oct 2019 01:12:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqx9/+OXOzpeQV7Ni65kLbXS9IKEOhkhFOGoxsIe0Y4dR3AU7giY9RU0QnZvv+DPO6xdA+wWEw== X-Received: by 2002:a05:600c:2503:: with SMTP id d3mr19262990wma.44.1571645568652; Mon, 21 Oct 2019 01:12:48 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:566:fc24:94f2:2f13? ([2001:b07:6468:f312:566:fc24:94f2:2f13]) by smtp.gmail.com with ESMTPSA id x7sm16385365wrg.63.2019.10.21.01.12.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Oct 2019 01:12:48 -0700 (PDT) Subject: Re: [PATCH v2 3/4] KVM: x86/vPMU: Reuse perf_event to avoid unnecessary pmc_reprogram_counter To: Like Xu , kvm@vger.kernel.org, peterz@infradead.org, Jim Mattson Cc: rkrcmar@redhat.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, Ingo Molnar , Arnaldo Carvalho de Melo , ak@linux.intel.com, wei.w.wang@intel.com, kan.liang@intel.com, like.xu@intel.com, ehankland@google.com, arbel.moshe@oracle.com, linux-kernel@vger.kernel.org References: <20191013091533.12971-1-like.xu@linux.intel.com> <20191013091533.12971-4-like.xu@linux.intel.com> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: <5020e826-e461-c28a-0b40-6e00aaa28163@redhat.com> Date: Mon, 21 Oct 2019 10:12:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20191013091533.12971-4-like.xu@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just a naming tweak: On 13/10/19 11:15, Like Xu wrote: > + /* the exact requested config to create perf_event */ > + u64 programed_config; /* * eventsel value for general purpose counters, ctrl value for * fixed counters. */ u64 current_config;