Received: by 10.223.176.46 with SMTP id f43csp616559wra; Fri, 26 Jan 2018 04:17:20 -0800 (PST) X-Google-Smtp-Source: AH8x227PI2tgev8cqMyPKsJi/4mDogRDZCuKAEZyrVhVB4DlfxQKMx1VEYEW2df5mG1CJBHt6hbv X-Received: by 10.99.167.75 with SMTP id w11mr15833458pgo.215.1516969040110; Fri, 26 Jan 2018 04:17:20 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516969040; cv=none; d=google.com; s=arc-20160816; b=syvrsEBbS4lZse4Wxw44LSoBs7FzQT3XQ3Bs4fAVWnOYn8EP2mK15rgAOBb4Cy3Uj+ o+gd3rol3a2DEhDXjdtYaPPAeEePrZoxYzmezsCmBDzes0qpkladNskcsWFQ1Yq6hYCB VCjxHc11N7PM2C7nTu14YRmKiuUmIhO55kH4/qFTCI7GI6K1Zv5v//i74bRJ/2gl15a3 qAJ7CsyqHbM2rMZcXbz6gIpFMuQRoMFlRz14+Al7Z/wKnaofSWetbgjF+uOWuMD7c3eo O+PixpO4OwLQ6+10L68jbj4B1zzlAO2ExUcDeIZoxVyxp9PRL/K7mRjN2+5ALiRLi1la fC9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:references:in-reply-to:date :to:from:subject:message-id:arc-authentication-results; bh=8r5Q1r08UfE5N6RHtyhX8AaVHlTGQggl2Pbjh75vKuo=; b=g2IUqkGYbh12dLJNB6vhlBaFjNHdt9Pyr0fS+a66TKVhp96EBDDgB2OGVrQZkb5XlG JLsg2Tc6TS/J724vAezp3oIwFZ9YRoBySZ2xACfGG6yXzVvG3cKCEcog+rBphcElh95S TjMODnaXeEX5Xrp3I9K1AMa0lLBToNrn/0szB0JmKc9hG/BWenwyb6owx1CmmgoOO9hg u8rfy1VE6pnWmlbOs2GBJdf1hkZQGjBujzLDTUix6WmlwCvFj7VmpCIcC3qYGtjVVZXq 2nVlPoj8EFRLwraUcRySHAKXrbqrRGmE/4u1VtPinj5VaSc06Gk7RJV2XSllwy3FfhpC FxdQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z20-v6si3671389plo.73.2018.01.26.04.17.05; Fri, 26 Jan 2018 04:17:20 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751948AbeAZMQh (ORCPT + 99 others); Fri, 26 Jan 2018 07:16:37 -0500 Received: from pic75-3-78-194-244-226.fbxo.proxad.net ([78.194.244.226]:38816 "EHLO mail.corsac.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751628AbeAZMQg (ORCPT ); Fri, 26 Jan 2018 07:16:36 -0500 Received: from scapa.corsac.net (unknown [IPv6:2a01:e34:ec2f:4e21::1]) by mail.corsac.net (Postfix) with ESMTPS id 9460F96 for ; Fri, 26 Jan 2018 13:16:34 +0100 (CET) Received: from corsac (uid 1000) (envelope-from corsac@debian.org) id a024f by scapa.corsac.net (DragonFly Mail Agent v0.11); Fri, 26 Jan 2018 13:16:34 +0100 Message-ID: <1516968989.19619.8.camel@debian.org> Subject: Re: [PATCH v3 6/6] x86/cpufeature: Blacklist SPEC_CTRL on early Spectre v2 microcodes From: Yves-Alexis Perez To: David Woodhouse , arjan@linux.intel.com, tglx@linutronix.de, karahmed@amazon.de, x86@kernel.org, linux-kernel@vger.kernel.org, tim.c.chen@linux.intel.com, bp@alien8.de, peterz@infradead.org, pbonzini@redhat.com, ak@linux.intel.com, torvalds@linux-foundation.org, gregkh@linux-foundation.org, dave.hansen@intel.com, gnomes@lxorguk.ukuu.org.uk Date: Fri, 26 Jan 2018 13:16:29 +0100 In-Reply-To: <1516813025-10794-7-git-send-email-dwmw@amazon.co.uk> References: <1516813025-10794-1-git-send-email-dwmw@amazon.co.uk> <1516813025-10794-7-git-send-email-dwmw@amazon.co.uk> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-ddkDd+XxWGIlk1S5j+Gq" X-Mailer: Evolution 3.26.3-1 Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-ddkDd+XxWGIlk1S5j+Gq Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2018-01-24 at 16:57 +0000, David Woodhouse wrote: > We don't refuse to load the affected microcodes; just refuse to use SPEC_= CTRL > if they're detected. Hi David, Are we sure those microcodes instability are only related to SPEC_CTRL? Regards, --=20 Yves-Alexis --=-ddkDd+XxWGIlk1S5j+Gq Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE8vi34Qgfo83x35gF3rYcyPpXRFsFAlprHB0ACgkQ3rYcyPpX RFvmMwf9GP18Dflf5xlMbCqS62UHLfwM+RZK2tCXddWAsM/K7c/9gBr2n9w/YNm2 +g8L4UwBDNGwLjin7YZnddK2/DBGQPvdZsZgPH3p43qJiHtAm7qMB2xHcyg+ZnfM rOLEbvlBTRENUa4L3FOr044rrUNXB7hAX7QjRq7L+FQQMXrkf3iJV5Gs5KEPen9l a2AIHHjG6/gSqbJbjEpGQyOcuNE8oN7GUqQGDjDdChmsZ57CIeiQc0VsthHdYKQz 7w2F8mPdN6bV2p1U1YFyAZmiIy2aa36SBc2DCR7oHO9yGaK2jK6aNAo5nlFbdBUR C+WTcYjpOqfVgzY45FA8K7G8YF/3HA== =uob4 -----END PGP SIGNATURE----- --=-ddkDd+XxWGIlk1S5j+Gq--