Received: by 10.223.176.46 with SMTP id f43csp25341wra; Tue, 23 Jan 2018 15:25:46 -0800 (PST) X-Google-Smtp-Source: AH8x225ICR0pDc9fWnr1aQCjV18vE3ZsUwOMjTwj4CSTvkGfbpipy+CzLyk8Rl9cnn5XCP45u6fl X-Received: by 10.107.26.66 with SMTP id a63mr6143120ioa.93.1516749946889; Tue, 23 Jan 2018 15:25:46 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516749946; cv=none; d=google.com; s=arc-20160816; b=hWStfDpih55DP58s5uHSD68KBaGclEVkefKM7JSVywGegCx8Zw4u8nxF4crZB8qx8H 5SQ/HINXxw71HWiBs2JhxNpE7800UBttLa1/6bbfphlJ5HjUzVZsr+6bhwj39HCYvks4 XiirBHoqx87tSezfjD1oZ0iuxKrzXMTk8AJkVT1u0+0IAbNlQJhzAJzg+eYu3V5bAaYV F15U1+j31aPB92wU6A1oLXBL4Uz/m42laOu4L/15wG1ThEtMuB8Q19vRvDpvklIRiiv1 PyYMA6GRqCZLPfhJU1kUVK70nAhujoF5N2bKjJK2oktz/nYDyMd9reQ/5A6bWfJXssju Ubhw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date :arc-authentication-results; bh=BpiHddLVj6HsYX0vS3GJ78DJ9R3HAduFZ/qCPXaXF7g=; b=IwChpc6Wu17MlXfnfaSbroxK3hJK/vudarXnitfn2soLjNufG2IkrrGKnXgLnlGH4U jBNY9SSr6og3PCY/gGW8zI7XQTMKYkRBm0SuzUB5wB5BqBkH2cZ5SjaTP2wIUmJvJI/D NqGhOg6Caun1XRyakqqagD5vgIneB0mkJxTi0RsNCnQ6GPMnkN4XqUY9KOWC70jZGBdY qDottMkuSaYep745tH7RT2wf33vB1/aci+RmVwsqQv5EP1WpuEfHayKlUDqa26vvRIPb A26KD7XSH4tc8z5XdD7KRrBbvt6/YQ9wv13597n+zA8GMqqtEWWFMtnBFPU/haXCbAhx xdCQ== 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 l64si15504617iof.279.2018.01.23.15.25.33; Tue, 23 Jan 2018 15:25:46 -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 S1752109AbeAWXYk (ORCPT + 99 others); Tue, 23 Jan 2018 18:24:40 -0500 Received: from mx2.suse.de ([195.135.220.15]:33694 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751405AbeAWXYj (ORCPT ); Tue, 23 Jan 2018 18:24:39 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id EFC33AD6B; Tue, 23 Jan 2018 23:24:37 +0000 (UTC) Date: Wed, 24 Jan 2018 00:24:36 +0100 (CET) From: Jiri Kosina To: Andi Kleen cc: Borislav Petkov , David Woodhouse , Paul Turner , LKML , Linus Torvalds , Greg Kroah-Hartman , Tim Chen , Dave Hansen , Thomas Gleixner , Kees Cook , Rik van Riel , Peter Zijlstra , Andy Lutomirski , gnomes@lxorguk.ukuu.org.uk, x86@kernel.org, thomas.lendacky@amd.com, Josh Poimboeuf Subject: Re: [PATCH v8 04/12] x86/spectre: Add boot time option to select Spectre v2 mitigation In-Reply-To: <20180123232125.GS7844@tassilo.jf.intel.com> Message-ID: References: <1515707194-20531-1-git-send-email-dwmw@amazon.co.uk> <1515707194-20531-5-git-send-email-dwmw@amazon.co.uk> <20180123224014.dsbzps4hydt6h7ed@pd.tnic> <20180123232125.GS7844@tassilo.jf.intel.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Jan 2018, Andi Kleen wrote: > > Distros have always been in the situation "we let the external modules to > > load, as it'll work when it comes to functionality, but then it's our > > duty/responsibility to explain to 3rd parties that they *really* should > > recompile". Mostly because of security fixes to static inlines, but not > > only that. > > You can use my previous patch which merely warns: > > https://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git/log/?h=spec/retpoline-module-2 Thanks for pointing this out, Andi. I've been just now writing more or less the same thing; ditching that and will reuse your patch instead. Why was the more aggresive version (6cfb521ac0d5b) merged into Linus' tree instead of that? Thanks, -- Jiri Kosina SUSE Labs