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 X-Spam-Level: X-Spam-Status: No, score=-4.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFD7BC433E0 for ; Fri, 12 Feb 2021 10:43:02 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AB76164E57 for ; Fri, 12 Feb 2021 10:43:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AB76164E57 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RFcFA9x/rg+Qafl+iNDmjXTnDCW94bJDi2oF7KBTO9Y=; b=y9wre64/WzyD8ZTs8RT1Mr6Tb 7G+Khx1vQ+1Jt6CmHXL8QPEissGPRXRF4FkcBtZY4oql3R2w7aqKdTGitZpBjjGF3dJQ6pi7u4ACY vrIOU96iyq8qXBjefC896kWPqpmuHZ0qHgESo01+uJlVu4M2B4SxnDjWTd5YIAOkHma4MPKsbuMyO 6aAEhblfx3Ee81YJr4+3PetPPNuaFmnI7j7M78QVBaq/ExIp9lyS0fZ6jifshhwYsaftRPIseAEqt 5By5EhanJswyC0PXF/YZf/zQjVDAvaMa0OlYuXfRUrdIeof9uRZXSwrAYKgz/wgD1tpTF+h1CZ+0O TinqILzlQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lAVt3-0003fG-QE; Fri, 12 Feb 2021 10:41:21 +0000 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lAVsv-0003b1-Ey for linux-arm-kernel@lists.infradead.org; Fri, 12 Feb 2021 10:41:15 +0000 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-115-2rM-qm06PAG36k1cQRmO6Q-1; Fri, 12 Feb 2021 10:41:04 +0000 X-MC-Unique: 2rM-qm06PAG36k1cQRmO6Q-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 12 Feb 2021 10:41:03 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Fri, 12 Feb 2021 10:41:03 +0000 From: David Laight To: 'Nathan Chancellor' , Jian Cai Subject: RE: [PATCH] ARM: Implement Clang's SLS mitigation Thread-Topic: [PATCH] ARM: Implement Clang's SLS mitigation Thread-Index: AQHXAQPpjAt19oU7EUuQ7rTdUOVK86pUVCnA Date: Fri, 12 Feb 2021 10:41:03 +0000 Message-ID: <3f61af0eee9b495e8e8c032902d033c5@AcuMS.aculab.com> References: <20210212051500.943179-1-jiancai@google.com> <20210212055508.GA3822196@ubuntu-m3-large-x86> In-Reply-To: <20210212055508.GA3822196@ubuntu-m3-large-x86> 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210212_054113_700599_30CA8E67 X-CRM114-Status: GOOD ( 10.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kees Cook , Arnd Bergmann , Ard Biesheuvel , Catalin Marinas , Masahiro Yamada , Daniel Palmer , "ndesaulniers@google.com" , "linux-kernel@vger.kernel.org" , Russell King , "clang-built-linux@googlegroups.com" , "linux-security-module@vger.kernel.org" , "manojgupta@google.com" , "llozano@google.com" , James Morris , Will Deacon , =?iso-8859-1?Q?Andreas_F=E4rber?= , "linux-arm-kernel@lists.infradead.org" , "Serge E. Hallyn" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > > on -mharden-sls=all, which mitigates the straight-line speculation > > vulnerability, or more commonly known as Spectre, Meldown. > > ^ I would drop "or" here > ^ drop comma, > use "and", > typo: "Meltdown" > > Although, is that a fair statement? SLS is not called Spectre or > Meltdown by ARM, it is a speculative processor vulnerabilty. It > might just be better to drop eerything after the first comma (although > maybe that is just being pedantic). or replace with: (speculative execution of the instruction following some unconditional jumps). Which will save a lot of people looking up what it means. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel