From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754772AbbAZNjM (ORCPT ); Mon, 26 Jan 2015 08:39:12 -0500 Received: from mail-wi0-f172.google.com ([209.85.212.172]:54625 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750793AbbAZNjJ (ORCPT ); Mon, 26 Jan 2015 08:39:09 -0500 Message-ID: <54C64379.7070001@suse.cz> Date: Mon, 26 Jan 2015 14:39:05 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Ian Campbell , Stefano Stabellini CC: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, david.vrabel@citrix.com, stable@vger.kernel.org, Luis Henriques Subject: Re: [Xen-devel] [PATCH 2/2] swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single References: <1416589220-7720-2-git-send-email-stefano.stabellini@eu.citrix.com> <1422269607.27469.5.camel@citrix.com> In-Reply-To: <1422269607.27469.5.camel@citrix.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/26/2015, 11:53 AM, Ian Campbell wrote: > On Fri, 2014-11-21 at 17:00 +0000, Stefano Stabellini wrote: >> Need to pass the pointer within the swiotlb internal buffer to the >> swiotlb library, that in the case of xen_unmap_single is dev_addr, not >> paddr. >> >> Signed-off-by: Stefano Stabellini >> CC: konrad.wilk@oracle.com >> CC: stable@vger.kernel.org > > This went into mainline as 2c3fc8d26dd0 "swiotlb-xen: pass dev_addr to > swiotlb_tbl_unmap_single" but was reverted in dbdd74763f1f. > > However it seems that 2c3fc8d26dd0 has made it into at least some stable > kernel trees: > v3.18.3 as 2129c43d41e9 > v3.16.7-ckt4 as 94ab279b0c9a > v3.14.29 as 3394691d34fc > v3.10.65 as 81cb80b578c5 > so it should be reverted there too. This is causing issues in the field > such as https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776237. > > v3.17, v3.15, v3.13.11-ckt14, v3.12.x, v3.11.x appear clean, I stopped Hi, dropped from the 3.12 queue. thanks, -- js suse labs