From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754513AbeDWJd3 (ORCPT ); Mon, 23 Apr 2018 05:33:29 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36580 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754190AbeDWJd2 (ORCPT ); Mon, 23 Apr 2018 05:33:28 -0400 Date: Mon, 23 Apr 2018 11:33:21 +0200 From: Peter Zijlstra To: Michal Hocko Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de, dan.j.williams@intel.com, torvalds@linux-foundation.org, Dan Carpenter Subject: Re: [PATCH 0/7] Various Spectre-v1 fixes Message-ID: <20180423093321.GV4064@hirez.programming.kicks-ass.net> References: <20180420131407.721875616@infradead.org> <20180423010343.GG16083@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180423010343.GG16083@dhcp22.suse.cz> User-Agent: Mutt/1.9.3 (2018-01-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 :-)