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[2620:137:e000::1:20]) by mx.google.com with ESMTP id j25-20020aa7c419000000b005186bba207fsi56408edq.315.2023.06.12.05.30.15; Mon, 12 Jun 2023 05:30:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-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-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-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 S232591AbjFLMQg (ORCPT + 99 others); Mon, 12 Jun 2023 08:16:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229946AbjFLMQe (ORCPT ); Mon, 12 Jun 2023 08:16:34 -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 722788F for ; Mon, 12 Jun 2023 05:16:33 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-91-XdQt0ZPZNuyOONttEZbueQ-1; Mon, 12 Jun 2023 13:16:30 +0100 X-MC-Unique: XdQt0ZPZNuyOONttEZbueQ-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Mon, 12 Jun 2023 13:16:19 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Mon, 12 Jun 2023 13:16:19 +0100 From: David Laight To: 'Borislav Petkov' CC: Breno Leitao , "tglx@linutronix.de" , "pawan.kumar.gupta@linux.intel.com" , "paul@paul-moore.com" , "leit@meta.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] cpu/bugs: Disable CPU mitigations at compilation time Thread-Topic: [PATCH] cpu/bugs: Disable CPU mitigations at compilation time Thread-Index: AQHZmviQI/r0/Sv4xEqYGehxHbaKRa+HB92A///5/gCAABWy8A== Date: Mon, 12 Jun 2023 12:16:19 +0000 Message-ID: References: <20230203120615.1121272-1-leitao@debian.org> <20230609173343.GDZINid4EgJGnkW7HK@fat_crate.local> <543116e1a8cf4b7a8b086c850374f99e@AcuMS.aculab.com> <20230612115154.GEZIcG2tWkn8I0+E2t@fat_crate.local> In-Reply-To: <20230612115154.GEZIcG2tWkn8I0+E2t@fat_crate.local> 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, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE 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-kernel@vger.kernel.org RnJvbTogQm9yaXNsYXYgUGV0a292DQo+IFNlbnQ6IDEyIEp1bmUgMjAyMyAxMjo1Mg0KPiANCj4g T24gTW9uLCBKdW4gMTIsIDIwMjMgYXQgMTE6MjI6MTVBTSArMDAwMCwgRGF2aWQgTGFpZ2h0IHdy b3RlOg0KPiA+IEkgY2FuIGRlZmluaXRlbHkganVzdGlmeSBjb21waWxpbmcgdGhlbSBhbGwgb3V0 Lg0KPiA+IEZvciBpbnN0YW5jZSBlbWJlZGRlZCBzeXN0ZW1zIHdpdGggbGltaXRlZCB1c2Vyc3Bh Y2UgYW5kDQo+ID4gKHByZXR0eSBtdWNoKSBldmVyeXRoaW5nIHJ1bm5pbmcgYXMgcm9vdC4NCj4g DQo+IE5vdGhpbmcncyBzdG9wcGluZyB5b3UgZnJvbSBhZGRpbmcgIm1pdGlnYXRpb25zPW9mZiIg dG8geW91ciBncnViDQo+IGNvbmZpZy4NCg0KSSBkbyAoYW5kIEkgY29tcGlsZSB3aXRob3V0IHBh Z2UgdGFibGUgc2VwYXJhdGlvbiksDQpidXQgc29tZSBvZiB0aGUgcnVuLXRpbWUgcGF0Y2hlZCB2 ZXJzaW9ucyBhcmUgbm90IGFzICdnb29kJw0KYXMgY29tcGlsaW5nIHRoZSBjb2RlIG91dC4NCkl0 IG1pZ2h0IGp1c3QgYmUgc29tZSBub3BzLCBidXQgbWF5YmUgaXQgaXMgd29yc2UuDQpUaGlzIGNh biBiZSBwYXJ0aWN1bGFybHkgdHJ1ZSBmb3IgbmV3IG1pdGlnYXRpb25zLg0KDQoJRGF2aWQNCg0K LQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0s IE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdh bGVzKQ0K