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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CBA6C433EF for ; Fri, 3 Dec 2021 09:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379559AbhLCJXb (ORCPT ); Fri, 3 Dec 2021 04:23:31 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:29123 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351316AbhLCJX3 (ORCPT ); Fri, 3 Dec 2021 04:23:29 -0500 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-91--7c1WWoYN2uhy3DyISQqag-1; Fri, 03 Dec 2021 09:20:03 +0000 X-MC-Unique: -7c1WWoYN2uhy3DyISQqag-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 3 Dec 2021 09:20:02 +0000 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.026; Fri, 3 Dec 2021 09:20:02 +0000 From: David Laight To: 'Dave Hansen' , Jiaxun Yang , "x86@kernel.org" CC: Thomas Gleixner , Ingo Molnar , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "hpa@zytor.com" , "chang.seok.bae@intel.com" , "linux-kernel@vger.kernel.org" Subject: RE: [RFC PATCH 00/10] x86: Allocate AVX512 xstate ondemand Thread-Topic: [RFC PATCH 00/10] x86: Allocate AVX512 xstate ondemand Thread-Index: AQHX5+Ds8R196ucx3kmBJZhfmN/yXawgfKWg Date: Fri, 3 Dec 2021 09:20:01 +0000 Message-ID: References: <20211203003636.11417-1-jiaxun.yang@flygoat.com> <822ced92-f165-3c5a-e0bf-dafa6f808b76@intel.com> <27b6387f-fa93-484e-a56e-12452a82f069@www.fastmail.com> In-Reply-To: Accept-Language: en-GB, 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogRGF2ZSBIYW5zZW4NCj4gU2VudDogMDMgRGVjZW1iZXIgMjAyMSAwMDo1OQ0KPiANCj4g T24gMTIvMi8yMSA0OjQ1IFBNLCBKaWF4dW4gWWFuZyB3cm90ZToNCj4gPiDlnKgyMDIx5bm0MTLm nIgz5pel5Y2B5LqM5pyIIOS4iuWNiDEyOjQw77yMRGF2ZSBIYW5zZW7lhpnpgZPvvJoNCj4gPj4g T24gMTIvMi8yMSA0OjM2IFBNLCBKaWF4dW4gWWFuZyB3cm90ZToNCj4gPj4+IEFsc28gd2UgYXJl IGdvaW5nIHRvIGhhdmUgaGV0ZXJvZ2VuZW91cyBwcm9jZXNzb3JzIHRoYXQNCj4gPj4+IG9ubHkg c29tZSBjb3JlcyBzdXBwb3J0IEFWWDUxMiwgaXQgY2FuIGJlIGhlbHBmdWwgd2hlbg0KPiA+Pj4g ZGVhbGluZyB3aXRoIHN1Y2ggcHJvY2Vzc29ycy4NCj4gPj4gUmVhbGx5PyAgV2hpY2ggeDg2IHZl bmRvciBpcyBkb2luZyB0aGF0Pw0KDQo+ID4gQ2xlYXIgbG93ZXIgdHdvIGJpdHMgb2YgTVNSIDB4 QUYgb24gQWxkZXIgTGFrZSBnaXZlIG1lIHNvbWUgc3VwcmlzZSA6LSkNCj4gDQo+IEkgaG9uZXN0 bHkgZG9uJ3Qga25vdyB3aGF0IHlvdSdyZSB0YWxraW5nIGFib3V0LiAgRG9lcyBwb2tpbmcgdGhh dCBNU1INCj4gYWxsb3dpbmcgQVZYNTEyIGluc3RydWN0aW9ucyB0byBiZSBleGVjdXRlZCBvbiBj b3JlcyB3aGVyZSBpdCB3YXMNCj4gb3RoZXJ3aXNlIGRpc2FibGVkPyAgVGhhdCdzIGVudGVydGFp bmluZywgYnV0IGl0J3MgZmFyIGZyb20gInN1cHBvcnRlZCINCj4gb3IgZXZlbiBzdXBwb3J0KmFi bGUqIGluIExpbnV4Lg0KDQpJIGNhbiBhbHNvIGltYWdpbmUgY2hpcHMgYmVpbmcgdGVzdGVkIGFu ZCB0ZXN0ZWQgYW5kIG1hcmtlZA0KZGlmZmVyZW50bHkgZGVwZW5kaW5nIG9uIHdoYXQgd29ya3Mu DQoNClNvIGEgcGFydCB3aXRoIGZhdWx0eSBBVlg1MTIgd2lsbCBiZSBtYXJrZWQgYXMgQklHK2xp dHRsZSB3aXRoIEFWWDUxMiBkaXNhYmxlZC4NCkEgcGFydCB3aXRoIHdvcmtpbmcgQVZYNTEyIHdp bGwgaGF2ZSB0aGUgJ2xpdHRsZScgY3B1IGRpc2FibGVkLg0KDQpBIGxvdCBvZiB0aGlzIGlzIGFj dHVhbGx5IHNldHVwIGJ5IHRoZSBCSU9TIGNvZGUuDQpDaGVhdGluZyB3aWxsIGNhdXNlIGdyaWVm Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K