From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755425AbeDWNul (ORCPT ); Mon, 23 Apr 2018 09:50:41 -0400 Received: from mail-ot0-f177.google.com ([74.125.82.177]:41900 "EHLO mail-ot0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755198AbeDWNuh (ORCPT ); Mon, 23 Apr 2018 09:50:37 -0400 X-Google-Smtp-Source: AIpwx48WHqPKZCZ5XBYM8qiA7T7q+D+l61k/RPF/DgIL/fEmziLXMy847+fyyCI5bAOrCxe3yRqlgPwv4ert+GsJ+pM= MIME-Version: 1.0 In-Reply-To: <20180423093321.GV4064@hirez.programming.kicks-ass.net> References: <20180420131407.721875616@infradead.org> <20180423010343.GG16083@dhcp22.suse.cz> <20180423093321.GV4064@hirez.programming.kicks-ass.net> From: Dan Williams Date: Mon, 23 Apr 2018 06:50:36 -0700 Message-ID: Subject: Re: [PATCH 0/7] Various Spectre-v1 fixes To: Peter Zijlstra Cc: Michal Hocko , Linux Kernel Mailing List , Ingo Molnar , Thomas Gleixner , Linus Torvalds , Dan Carpenter Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 23, 2018 at 2:33 AM, Peter Zijlstra wrote: > On Sun, Apr 22, 2018 at 07:03:44PM -0600, Michal Hocko wrote: >> On Fri 20-04-18 15:14:07, Peter Zijlstra wrote: >> > These fix a number of perf, x86 and sched cases where we have user controlled >> > array dereferences. All were found by Dan's recent Smatch update. >> >> Do we want to mark all of these for stable? > > If we all agree that any (speculative) user-controlled array index -- > irrespective of the existence of the second load/store that would > complete the gadget -- needs fixing and thus all these patches are > 'good', then yes, that makes sense. > > Given yours is the only response so far, I suspect we're good on all > that :-) +1 from me for -stable.