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 2CC02C433F5 for ; Thu, 5 May 2022 11:34:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235500AbiEELiY (ORCPT ); Thu, 5 May 2022 07:38:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355476AbiEELiX (ORCPT ); Thu, 5 May 2022 07:38:23 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DA0B053B63 for ; Thu, 5 May 2022 04:34:43 -0700 (PDT) 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-405-O9jIg1gzOYiRDVV0CyY18A-1; Thu, 05 May 2022 12:34:41 +0100 X-MC-Unique: O9jIg1gzOYiRDVV0CyY18A-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 15.0.1497.32; Thu, 5 May 2022 12:34:40 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.033; Thu, 5 May 2022 12:34:40 +0100 From: David Laight To: "'Jason A. Donenfeld'" , Thomas Gleixner CC: Peter Zijlstra , Borislav Petkov , LKML , "x86@kernel.org" , Filipe Manana , "linux-crypto@vger.kernel.org" Subject: RE: [patch 3/3] x86/fpu: Make FPU protection more robust Thread-Topic: [patch 3/3] x86/fpu: Make FPU protection more robust Thread-Index: AQHYYG+YWY1FRr4hzkKhJKBT7m/w1q0QJdtA Date: Thu, 5 May 2022 11:34:40 +0000 Message-ID: <1f4918f734d14e3896071d3c7de1441d@AcuMS.aculab.com> References: <87fslpjomx.ffs@tglx> <87czgtjlfq.ffs@tglx> <87wnf1huwj.ffs@tglx> <87mtfwiyqp.ffs@tglx> <87h764ixjs.ffs@tglx> 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-crypto@vger.kernel.org Li4uDQo+ICsJY3ljbGVzX3QgZW5kLCBzdGFydCA9IGdldF9jeWNsZXMoKTsNCj4gIAlibGFrZTJz X3VwZGF0ZSgmaW5wdXRfcG9vbC5oYXNoLCBpbiwgbmJ5dGVzKTsNCj4gKwllbmQgPSBnZXRfY3lj bGVzKCk7DQoNCklmIGdldF9jeWNsZXMoKSBpcyByZHRzYyB0aGVuIHRoYXQgZ2l2ZXMgbWVhbmlu Z2xlc3MgbnVtYmVycy4NClRoZSBjcHUgY2xvY2sgZnJlcXVlbmN5IHdpbGwgY2hhbmdlIG9uIHlv dS4NCg0KWW91IGNhbiB1c2Ugb25lIG9mIHRoZSBwZXJmb3JtYW5jZSBjb3VudGVycyB0byBnZXQg YW4gYWN0dWFsDQpjeWNsZSBjb3VudCAtIGFsdGhvdWdoIHRoYXQgaXMgb25seSBzdGFibGUgZm9y ICdob3QgY2FjaGUnDQphcyBhbnkgbWVtb3J5IGFjY2Vzc2VzIGFyZSBjbG9jayBzcGVlZCBkZXBl bmRhbnQuDQoNCk9UT0ggdGhlIGVudHJvcHkgbWl4aW5nIGlzIHZlcnkgbGlrZWx5IHRvIGJlICdj b2xkIGNhY2hlJw0KYW5kIGFsbCB0aGUgdW5yb2xsaW5nIGluIGJsYWtlczcgd2lsbCBjb21wbGV0 ZWx5IGtpbGwNCnBlcmZvcm1hbmNlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNz IExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAx UFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K