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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1C31CC433DF for ; Wed, 27 May 2020 14:51:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F35E22075F for ; Wed, 27 May 2020 14:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389264AbgE0OvM (ORCPT ); Wed, 27 May 2020 10:51:12 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:41481 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388871AbgE0OvK (ORCPT ); Wed, 27 May 2020 10:51:10 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-169-m1cHcyVVPiChFSzhadPXzw-1; Wed, 27 May 2020 15:51:06 +0100 X-MC-Unique: m1cHcyVVPiChFSzhadPXzw-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 27 May 2020 15:51:05 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 27 May 2020 15:51:05 +0100 From: David Laight To: "'Liang, Kan'" , "peterz@infradead.org" , "mingo@redhat.com" , "linux-kernel@vger.kernel.org" CC: "ak@linux.intel.com" , "stable@vger.kernel.org" Subject: RE: [PATCH] perf/x86/intel/uncore: Fix oops when counting IMC uncore events on some TGL Thread-Topic: [PATCH] perf/x86/intel/uncore: Fix oops when counting IMC uncore events on some TGL Thread-Index: AQHWNCLukMKeXYb1T0G/ZA+cFsVVx6i75DXQgAAOAgCAABGM4A== Date: Wed, 27 May 2020 14:51:05 +0000 Message-ID: References: <1590582647-90675-1-git-send-email-kan.liang@linux.intel.com> <869fafc80da84d188678c1cbb0267a0b@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogTGlhbmcsIEthbg0KPiBTZW50OiAyNyBNYXkgMjAyMCAxNTo0Nw0KPiBPbiA1LzI3LzIw MjAgODo1OSBBTSwgRGF2aWQgTGFpZ2h0IHdyb3RlOg0KPiA+IEZyb206IGthbi5saWFuZ0BsaW51 eC5pbnRlbC5jb20NCj4gPj4gU2VudDogMjcgTWF5IDIwMjAgMTM6MzENCj4gPj4NCj4gPj4gRnJv bTogS2FuIExpYW5nIDxrYW4ubGlhbmdAbGludXguaW50ZWwuY29tPg0KPiA+Pg0KPiA+PiBXaGVu IGNvdW50aW5nIElNQyB1bmNvcmUgZXZlbnRzIG9uIHNvbWUgVEdMIG1hY2hpbmVzLCBhbiBvb3Bz IHdpbGwgYmUNCj4gPj4gdHJpZ2dlcmVkLg0KPiA+PiAgICBbIDM5My4xMDEyNjJdIEJVRzogdW5h YmxlIHRvIGhhbmRsZSBwYWdlIGZhdWx0IGZvciBhZGRyZXNzOg0KPiA+PiAgICBmZmZmYjQ1MjAw ZTE1ODU4DQo+ID4+ICAgIFsgMzkzLjEwMTI2OV0gI1BGOiBzdXBlcnZpc29yIHJlYWQgYWNjZXNz IGluIGtlcm5lbCBtb2RlDQo+ID4+ICAgIFsgMzkzLjEwMTI3MV0gI1BGOiBlcnJvcl9jb2RlKDB4 MDAwMCkgLSBub3QtcHJlc2VudCBwYWdlDQo+ID4+DQo+ID4+IEN1cnJlbnQgcGVyZiB1bmNvcmUg ZHJpdmVyIHN0aWxsIHVzZSB0aGUgSU1DIE1BUCBTSVpFIGluaGVyaXRlZCBmcm9tDQo+ID4+IFNO Qiwgd2hpY2ggaXMgMHg2MDAwLg0KPiA+PiBIb3dldmVyLCB0aGUgb2Zmc2V0IG9mIElNQyB1bmNv cmUgY291bnRlcnMgZm9yIHNvbWUgVEdMIG1hY2hpbmVzIGlzDQo+ID4+IGxhcmdlciB0aGFuIDB4 NjAwMCwgZS5nLiAweGQ4YTAuDQo+ID4+DQo+ID4+IEVubGFyZ2UgdGhlIElNQyBNQVAgU0laRSBm b3IgVEdMIHRvIDB4ZTAwMC4NCj4gPg0KPiA+IFJlcGxhY2luZyBvbmUgJ3JhbmRvbScgY29uc3Rh bnQgd2l0aCBhIGRpZmZlcmVudCBvbmUNCj4gPiBkb2Vzbid0IHNlZW0gbGlrZSBhIHByb3BlciBm aXguDQo+ID4NCj4gPiBTdXJlbHkgdGhlIGFjdHVhbCBib3VuZHMgb2YgdGhlICdtZW1vcnknIGFy ZWEgYXJlIHByb3Blcmx5DQo+ID4gZGVmaW5lZCBzb21ld2hlcmUuDQo+ID4gT3IgYXQgbGVhc3Qg c2hvdWxkIGNvbWUgZnJvbSBhIHRhYmxlLg0KPiA+DQo+ID4gWW91IGFsc28gbmVlZCB0byB2ZXJp ZnkgdGhhdCB0aGUgb2Zmc2V0cyBhcmUgd2l0aGluIHRoZSBtYXBwZWQgYXJlYS4NCj4gPiBBbiB1 bmV4cGVjdGVkIG9mZnNldCBzaG91bGRuJ3QgdHJ5IHRvIGFjY2VzcyBhbiBpbnZhbGlkIGFkZHJl c3MuDQo+IA0KPiBUaGFua3MgZm9yIHRoZSByZXZpZXcuDQo+IA0KPiBJIGFncmVlIHRoYXQgd2Ug c2hvdWxkIGFkZCBhIGNoZWNrIGJlZm9yZSBtYXBwaW5nIHRoZSBhcmVhIHRvIHByZXZlbnQNCj4g dGhlIGlzc3VlIGhhcHBlbnMgYWdhaW4uDQo+IA0KPiBJIHRoaW5rIHRoZSBjaGVjayBzaG91bGQg YmUgYSBnZW5lcmljIGNoZWNrIGZvciBhbGwgcGxhdGZvcm1zIHdoaWNoIHRyeQ0KPiB0byBtYXAg YW4gYXJlYSwgbm90IGp1c3QgZm9yIFRHTC4gSSB3aWxsIHN1Ym1pdCBhIHNlcGFyYXRlIHBhdGNo IGZvciB0aGUNCj4gY2hlY2suDQoNCllvdSBuZWVkIGEgY2hlY2sgdGhhdCB0aGUgYWN0dWFsIGFj Y2VzcyBpcyB3aXRoaW5nIHRoZSBtYXBwZWQgYXJlYS4NClNvIGluc3RlYWQgb2YgZ2V0dGluZyBh biBPT1BTIHlvdSBnZXQgYSBlcnJvci4NCg0KVGhpcyBpcyBhZnRlciB5b3UndmUgbWFwcGVkIGl0 Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K