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 9F1BCCCA47A for ; Thu, 16 Jun 2022 21:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378523AbiFPVy2 (ORCPT ); Thu, 16 Jun 2022 17:54:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230174AbiFPVyZ (ORCPT ); Thu, 16 Jun 2022 17:54:25 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EBF0F57142 for ; Thu, 16 Jun 2022 14:54:21 -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-62-astVriicPDe5cx5R_yDGqw-1; Thu, 16 Jun 2022 22:54:18 +0100 X-MC-Unique: astVriicPDe5cx5R_yDGqw-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 15.0.1497.36; Thu, 16 Jun 2022 22:54:16 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Thu, 16 Jun 2022 22:54:16 +0100 From: David Laight To: "'oliver.upton@linux.dev'" CC: Raghavendra Rao Ananta , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , "Paolo Bonzini" , Catalin Marinas , Will Deacon , Peter Shier , "Ricardo Koller" , Oliver Upton , "Reiji Watanabe" , Jing Zhang , "Colton Lewis" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.cs.columbia.edu" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "Andrew Jones" Subject: RE: [PATCH] selftests: KVM: Handle compiler optimizations in ucall Thread-Topic: [PATCH] selftests: KVM: Handle compiler optimizations in ucall Thread-Index: AQHYgXkNkdHi2edO0UOJoWwOrv/ni61SMGPg///3a4CAABX/cIAAENKAgABDjYA= Date: Thu, 16 Jun 2022 21:54:16 +0000 Message-ID: <2ec9ecbfb13d422ab6cda355ff011c9f@AcuMS.aculab.com> References: <3e73cb07968d4c92b797781b037c2d45@AcuMS.aculab.com> <20220615185706.1099208-1-rananta@google.com> <20220616120232.ctkekviusrozqpru@gator> <33ca91aeb5254831a88e187ff8d9a2c2@AcuMS.aculab.com> <20220616162557.55bopzfa6glusuh5@gator> <7b1040c48bc9b2986798322c336660ab@linux.dev> In-Reply-To: <7b1040c48bc9b2986798322c336660ab@linux.dev> 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 RnJvbTogb2xpdmVyLnVwdG9uQGxpbnV4LmRldg0KPiBTZW50OiAxNiBKdW5lIDIwMjIgMTk6NDUN Cg0KPiANCj4gSnVuZSAxNiwgMjAyMiAxMTo0OCBBTSwgIkRhdmlkIExhaWdodCIgPERhdmlkLkxh aWdodEBhY3VsYWIuY29tPiB3cm90ZToNCj4gPiBObyB3b25kZXIgSSB3YXMgY29uZnVzZWQuDQo+ ID4gSXQncyBub3Qgc3VycHJpc2luZyB0aGUgY29tcGlsZXIgb3B0aW1pc2VzIGl0IGFsbCBhd2F5 Lg0KPiA+DQo+ID4gSXQgZG9lc24ndCBzZWVtIHJpZ2h0IHRvIGJlICdhYnVzaW5nJyBXUklURV9P TkNFKCkgaGVyZS4NCj4gPiBKdXN0IGFkZGluZyBiYXJyaWVyKCkgc2hvdWxkIGJlIGVub3VnaCBh bmQgbXVjaCBtb3JlIGRlc2NyaXB0aXZlLg0KPiANCj4gSSBoYWQgdGhlIHNhbWUgdGhvdWdodCwg YWx0aG91Z2ggSSBkbyBub3QgYmVsaWV2ZSBiYXJyaWVyKCkgaXMgc3VmZmljaWVudA0KPiBvbiBp dHMgb3duLiBiYXJyaWVyX2RhdGEoKSB3aXRoIGEgcG9pbnRlciB0byB1YyBwYXNzZWQgdGhyb3Vn aA0KPiBpcyByZXF1aXJlZCB0byBrZWVwIGNsYW5nIGZyb20gZWxpbWluYXRpbmcgdGhlIGRlYWQg c3RvcmUuDQoNCkEgYmFycmllcigpIChmdWxsIG1lbW9yeSBjbG9iYmVyKSBvdWdodCB0byBiZSBz dHJvbmdlciB0aGFuDQp0aGUgcGFydGlhbCBvbmUgdGhhbiBiYXJyaWVyX2RhdGEoKSBnZW5lcmF0 ZXMuDQoNCkkgY2FuJ3QgcXVpdGUgZGVjaWRlIHdoZXRoZXIgeW91IG5lZWQgYSBiYXJyaWVyKCkg Ym90aCBzaWRlcw0Kb2YgdGhlICdtYWdpYyB3cml0ZScuDQpQbGF1c2libHkgdGhlIGNvbXBpbGVy IGNvdWxkIGRpc2NhcmQgdGhlIG9uLXN0YWNrIGRhdGENCmFmdGVyIHRoZSBiYXJyaWVyKCkgYW5k IGJlZm9yZSB0aGUgJ21hZ2ljIHdyaXRlJy4NCg0KQ2VydGFpbmx5IHB1dHRpbmcgdGhlICdtYWdp YyB3cml0ZScgaW5zaWRlIGEgYXNtIGJsb2NrDQp0aGF0IGhhcyBhIG1lbW9yeSBjbG9iYmVyIGlz IGEgbW9yZSBjb3JyZWN0IHNvbHV0aW9uLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K