From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751106AbdJCGgr (ORCPT ); Tue, 3 Oct 2017 02:36:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59242 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750767AbdJCGgp (ORCPT ); Tue, 3 Oct 2017 02:36:45 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com E5580883CE Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=jcm@redhat.com Subject: Re: [RFC PATCH 0/2] Missing READ_ONCE in core and arch-specific pgtable code leading to crashes To: Will Deacon , Jon Masters References: <1506527369-19535-1-git-send-email-will.deacon@arm.com> <9f351432-3c6b-3b06-7b49-bc9a5806aff5@redhat.com> <20170929085634.GA14791@arm.com> Cc: peterz@infradead.org, paulmck@linux.vnet.ibm.com, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, ynorov@caviumnetworks.com, rruigrok@codeaurora.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, catalin.marinas@arm.com, timur@codeaurora.org From: Jon Masters Message-ID: <95366fe6-e1eb-dd39-6f13-903704b5180f@redhat.com> Date: Tue, 3 Oct 2017 02:36:42 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <20170929085634.GA14791@arm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Tue, 03 Oct 2017 06:36:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/29/2017 04:56 AM, Will Deacon wrote: > The full fix isn't just cosmetic; it's also addressing the wider problem > of unannotated racing page table accesses outside of the specific failure > case we've run into. Let us know if there are additional tests we should be running on the Red Hat end. We've got high hundreds of ARM server systems at this point, including pretty much everything out there. Jon. -- Computer Architect | Sent from my Fedora powered laptop