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=-0.6 required=3.0 tests=CHARSET_FARAWAY_HEADER, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 495A4C55199 for ; Sun, 26 Apr 2020 08:30:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30C462071C for ; Sun, 26 Apr 2020 08:30:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726179AbgDZIas (ORCPT ); Sun, 26 Apr 2020 04:30:48 -0400 Received: from mx22.baidu.com ([220.181.50.185]:50150 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726141AbgDZIas (ORCPT ); Sun, 26 Apr 2020 04:30:48 -0400 Received: from Bc-Mail-Ex13.internal.baidu.com (unknown [172.31.51.53]) by Forcepoint Email with ESMTPS id 0CDCC1A3C048E6D289AF; Sun, 26 Apr 2020 16:30:27 +0800 (CST) Received: from BJHW-Mail-Ex13.internal.baidu.com (10.127.64.36) by Bc-Mail-Ex13.internal.baidu.com (172.31.51.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1531.3; Sun, 26 Apr 2020 16:30:26 +0800 Received: from BJHW-Mail-Ex13.internal.baidu.com ([100.100.100.36]) by BJHW-Mail-Ex13.internal.baidu.com ([100.100.100.36]) with mapi id 15.01.1713.004; Sun, 26 Apr 2020 16:30:26 +0800 From: "Li,Rongqing" To: Peter Zijlstra CC: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "x86@kernel.org" , "hpa@zytor.com" , "bp@alien8.de" , "mingo@redhat.com" , "tglx@linutronix.de" , "joro@8bytes.org" , "jmattson@google.com" , "wanpengli@tencent.com" , "vkuznets@redhat.com" , "sean.j.christopherson@intel.com" , "pbonzini@redhat.com" Subject: =?gb2312?B?tPC4tDogW1BBVENIXSBbUkZDXSBrdm06IHg4NjogZW11bGF0ZSBBUEVSRi9N?= =?gb2312?Q?PERF_registers?= Thread-Topic: [PATCH] [RFC] kvm: x86: emulate APERF/MPERF registers Thread-Index: AQHWGh9bZdasuQhOo023NQfHi2P1S6iLC0mA Date: Sun, 26 Apr 2020 08:30:26 +0000 Message-ID: <4fecc02b00f6469e81ffc40de4f7188c@baidu.com> References: <1587704935-30960-1-git-send-email-lirongqing@baidu.com> <20200424100143.GZ20730@hirez.programming.kicks-ass.net> In-Reply-To: <20200424100143.GZ20730@hirez.programming.kicks-ass.net> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.22.198.27] x-baidu-bdmsfe-datecheck: 1_Bc-Mail-Ex13_2020-04-26 16:30:26:950 x-baidu-bdmsfe-viruscheck: Bc-Mail-Ex13_GRAY_Inside_WithoutAtta_2020-04-26 16:30:26:919 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiANCj4gQnV0IHRoZW4gaGVyZSB5b3Ugb25seSBlbXVsYXRlIGl0IGZvciBWTVgsIHdoaWNoIHRo ZW4gcmVzdWx0cyBpbiBTVk0gZ3Vlc3RzDQo+IGdvaW5nIHdvYmJseS4NCj4gDQo+IEFsc28sIG9u IEludGVsLCB0aGUgbW9tZW50IHlvdSBhZHZlcnRpc2UgQVBFUkZNUEVSRiwgd2UnbGwgdHJ5IGFu ZCByZWFkDQo+IE1TUl9QTEFURk9STV9JTkZPIC8gTVNSX1RVUkJPX1JBVElPX0xJTUlUKiwgSSBk b24ndCBzdXBwb3NlIHlvdSdyZQ0KPiBwYXNzaW5nIHRob3NlIHRocm91Z2ggYXMgd2VsbD8NCj4g DQoNCmluaXRfZnJlcV9pbnZhcmlhbmNlKHZvaWQpIGlzIHRyeWluZyByZWFkIE1TUl9QTEFURk9S TV9JTkZPIC8gTVNSX1RVUkJPX1JBVElPX0xJTUlUKiwNCnNob3VsZCB3ZSBhZGQgYSBjaGVjayBv ZiB0dXJibyBzdGF0dXMgaW4gaW5pdF9mcmVxX2ludmFyaWFuY2UsIHRvIGF2b2lkIHRoZSByZWFk aW5nPw0KDQpJdCBpcyB1bm5lY2Vzc2FyeSB0byBjYWxsIGludGVsX3NldF9tYXhfZnJlcV9yYXRp byAgSWYgdHVyYm8gaXMgZGlzYWJsZWQNCg0KZGlmZiAtLWdpdCBhL2FyY2gveDg2L2tlcm5lbC9z bXBib290LmMgYi9hcmNoL3g4Ni9rZXJuZWwvc21wYm9vdC5jDQppbmRleCBmZTNhYjk2MzJmM2Iu LjU0ZmI4ODMyMzI5MyAxMDA2NDQNCi0tLSBhL2FyY2gveDg2L2tlcm5lbC9zbXBib290LmMNCisr KyBiL2FyY2gveDg2L2tlcm5lbC9zbXBib290LmMNCkBAIC0yMDA5LDYgKzIwMDksOSBAQCBzdGF0 aWMgdm9pZCBpbml0X2ZyZXFfaW52YXJpYW5jZSh2b2lkKQ0KICAgICAgICBpZiAoc21wX3Byb2Nl c3Nvcl9pZCgpICE9IDAgfHwgIWJvb3RfY3B1X2hhcyhYODZfRkVBVFVSRV9BUEVSRk1QRVJGKSkN CiAgICAgICAgICAgICAgICByZXR1cm47DQogDQorICAgICAgIGlmICh0dXJib19kaXNhYmxlZCgp KQ0KKyAgICAgICAgICAgICAgIHJldHVybjsNCisNCiAgICAgICAgaWYgKGJvb3RfY3B1X2RhdGEu eDg2X3ZlbmRvciA9PSBYODZfVkVORE9SX0lOVEVMKQ0KICAgICAgICAgICAgICAgIHJldCA9IGlu dGVsX3NldF9tYXhfZnJlcV9yYXRpbygpOw0KDQotTGkNCg==