Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752022AbdI1Q7R (ORCPT ); Thu, 28 Sep 2017 12:59:17 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:60206 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751782AbdI1Q7P (ORCPT ); Thu, 28 Sep 2017 12:59:15 -0400 Subject: Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling To: "Raj, Ashok" , Casey Leedom Cc: "joro@8bytes.org" , "dwmw2@infradead.org" , Harsh Jain , "herbert@gondor.apana.org.au" , "iommu@lists.linux-foundation.org" , "linux-crypto@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Michael Werner , Atul Gupta References: <644c3e01654f8bd48d669c36e424959d6ef0e27e.1506607370.git.robin.murphy@arm.com> <20170928132942.GA99552@otc-nc-03> From: Robin Murphy Message-ID: Date: Thu, 28 Sep 2017 17:59:11 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20170928132942.GA99552@otc-nc-03> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1221 Lines: 27 On 28/09/17 14:29, Raj, Ashok wrote: > Hi Casey > > On Thu, Sep 28, 2017 at 04:17:59PM +0000, Casey Leedom wrote: >> Thanks Robin. Harsh can certainly test your latest patch as soon as he's >> back in the office tomorrow morning India time. If your patch works and is >> accepted, it sounds like the commit would be important enough to consider >> backporting into various Long-Term Support releases and the affected >> distributions. What's the procedure for nominating a commit for LTS inclusion? I tend to leave stable decisions up to Joerg as the subsystem maintainer, particularly when it's code outside my usual areas of familiarity. FWIW, from a real dig through the history, the fragile logic seems to date from the 2.6 days, having snuck in with b536d24d212c ("intel-iommu: Clean up intel_map_sg(), remove domain_page_mapping()") > its documented in Documentation/process/submitting-patches > > I didn't see a new patch fly by.. Robin, could you send that over? I hope our email server hasn't got blacklisted again... Said patch is the top of this very thread we're replying on[1] - you were definitely on cc :( Robin. [1]:https://lists.linuxfoundation.org/pipermail/iommu/2017-September/024371.html