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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k5-20020a508ac5000000b0045c129ed626si1889630edk.317.2022.10.14.04.03.27; Fri, 14 Oct 2022 04:03:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229709AbiJNLBW (ORCPT + 99 others); Fri, 14 Oct 2022 07:01:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229554AbiJNLBU (ORCPT ); Fri, 14 Oct 2022 07:01:20 -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 ESMTPS id 19F261C880A for ; Fri, 14 Oct 2022 04:01:17 -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-91-GFLKovP8PUiYyqSFZun4Kw-1; Fri, 14 Oct 2022 12:01:15 +0100 X-MC-Unique: GFLKovP8PUiYyqSFZun4Kw-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Fri, 14 Oct 2022 12:01:13 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.040; Fri, 14 Oct 2022 12:01:13 +0100 From: David Laight To: "'Jason A. Donenfeld'" , Robert Elliott CC: "herbert@gondor.apana.org.au" , "davem@davemloft.net" , "tim.c.chen@linux.intel.com" , "ap420073@gmail.com" , "ardb@kernel.org" , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v2 04/19] crypto: x86/sha - limit FPU preemption Thread-Topic: [PATCH v2 04/19] crypto: x86/sha - limit FPU preemption Thread-Index: AQHY3p5YDK4bZkqaZ0OuLicTma4hgK4NuQjg Date: Fri, 14 Oct 2022 11:01:12 +0000 Message-ID: <96ed3206ef2a499f9bf95476e21608c0@AcuMS.aculab.com> References: <20221006223151.22159-1-elliott@hpe.com> <20221012215931.3896-1-elliott@hpe.com> <20221012215931.3896-5-elliott@hpe.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 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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org RnJvbTogSmFzb24gQS4gRG9uZW5mZWxkDQo+IFNlbnQ6IDEzIE9jdG9iZXIgMjAyMiAwMTo0Mg0K Li4uDQo+ID4gZGlmZiAtLWdpdCBhL2FyY2gveDg2L2NyeXB0by9zaGExX3Nzc2UzX2dsdWUuYyBi L2FyY2gveDg2L2NyeXB0by9zaGExX3Nzc2UzX2dsdWUuYw0KPiA+IGluZGV4IDQ0MzQwYTExMzll MC4uYTlmNTc3OWI0MWNhIDEwMDY0NA0KPiA+IC0tLSBhL2FyY2gveDg2L2NyeXB0by9zaGExX3Nz c2UzX2dsdWUuYw0KPiA+ICsrKyBiL2FyY2gveDg2L2NyeXB0by9zaGExX3Nzc2UzX2dsdWUuYw0K PiA+IEBAIC0yNiw2ICsyNiw4IEBADQo+ID4gICNpbmNsdWRlIDxjcnlwdG8vc2hhMV9iYXNlLmg+ DQo+ID4gICNpbmNsdWRlIDxhc20vc2ltZC5oPg0KPiA+DQo+ID4gKyNkZWZpbmUgRlBVX0JZVEVT IDQwOTZVIC8qIGF2b2lkIGtlcm5lbF9mcHVfYmVnaW4vZW5kIHNjaGVkdWxlci9yY3Ugc3RhbGxz ICovDQo+IA0KPiBEZWNsYXJlIHRoaXMgaW5zaWRlIHRoZSBmdW5jdGlvbiBpdCdzIHVzZWQgYXMg YW4gdW50eXBlZCBlbnVtLCBhbmQgZ2l2ZQ0KPiBpdCBhIGJldHRlciBuYW1lLCBsaWtlIEJZVEVT X1BFUl9GUFUuDQoNCklzbid0ICdieXRlcycgdGhlIHdyb25nIHVuaXQgYW55d2F5Pw0KQXQgbGVh c3QgaXQgb3VnaHQgdG8gYmUgJ2Nsb2Nrcycgc28gaXQgY2FuIGJlIGRpdmlkZWQgYnkgdGhlDQoo YXBwcm94aW1hdGUpICdjbG9ja3MgcGVyIGJ5dGUnIG9mIHRoZSBhbGdvcml0aG0uDQoNClNvbWV0 aGluZyBsaWtlIGEgY3JjIGlzIGxpa2VseSB0byBiZSBmYXIgZmFzdGVyIHRoYW4gQUVTLg0KDQpD bGVhcmx5IHRoZSBhY3R1YWwgcmVxdWlyZWQgdW5pdHMgYXJlIG1pY3Jvc2Vjb25kcy4NCkJ1dCBk ZXBlbmRpbmcgb24gdGhlIGFjdHVhbCBjcHUgZnJlcXVlbmN5IGlzIGEgYml0IGhhcmQuDQpBbmQg cGVvcGxlIHJ1bm5pbmcgZmFzdGVyIGNwdSBtYXkgd2FudCBsb3dlciBsYXRlbmN5IGFueXdheS4N ClNvIGEgdHlwaWNhbCBzbG93IGNwdSBmcmVxdWVuY3kgaXMgcHJvYmFibHkgb2suDQoNClRoZSBh Y3R1YWwgYXJjaGl0ZWN0dXJlIGRlcGVuZGFudCBjb25zdGFudCByZWFsbHkgb3VnaHQNCnRvIGJl IGRlZmluZWQgd2l0aCBrZXJuZWxfZnB1X2JlZ2luKCkuDQoNCglEYXZpZA0KDQotDQpSZWdpc3Rl cmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtl eW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=