From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754036AbeEWGRL (ORCPT ); Wed, 23 May 2018 02:17:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:35820 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753872AbeEWGRK (ORCPT ); Wed, 23 May 2018 02:17:10 -0400 Date: Wed, 23 May 2018 09:17:06 +0300 From: Leon Romanovsky To: "Wei Hu (Xavier)" Cc: dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, xavier.huwei@tom.com, lijun_nudt@163.com Subject: Re: [PATCH rdma-next 5/5] RDMA/hns: Fix the illegal memory operation when cross page Message-ID: <20180523061706.GA5729@mtr-leonro.mtl.com> References: <1526544173-106587-1-git-send-email-xavier.huwei@huawei.com> <1526544173-106587-6-git-send-email-xavier.huwei@huawei.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LQksG6bCIzRHxTLp" Content-Disposition: inline In-Reply-To: <1526544173-106587-6-git-send-email-xavier.huwei@huawei.com> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --LQksG6bCIzRHxTLp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, May 17, 2018 at 04:02:53PM +0800, Wei Hu (Xavier) wrote: > This patch fixed the potential illegal operation when using the > extend sge buffer cross page in post send operation. The bug > will cause the calltrace. > > Reported-by: Jie Chen > Reported-by: Xiping Zhang (Francis) > Fixes: b1c1583("RDMA/hns: Get rid of virt_to_page and vmap calls after dma_alloc_coherent") Documentation/process/submitting-patches.rst 183 If your patch fixes a bug in a specific commit, e.g. you found an issue using 184 ``git bisect``, please use the 'Fixes:' tag with the first 12 characters of 185 the SHA-1 ID, and the one line summary. For example:: 186 187 Fixes: e21d2170f366 ("video: remove unnecessary platform_set_drvdata()") Thanks > Signed-off-by: Wei Hu (Xavier) --LQksG6bCIzRHxTLp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIcBAEBAgAGBQJbBQdiAAoJEORje4g2clinsxIQAMAN+dwMEzxYHWqAqnFzdG96 v8Y1NcWPuy6xcQuMPVbWpiLCTV/8OUFj6AO+b0v8moAcVGKBn8JCy5FSyl+52Nm7 snLQ1vqocq/dUFKnOI51Mqw38YcpM83tVqZ+shnIBbpkUQ8KFcRxILa0UDtwPPO3 EFZV6zZZ8sQjthq2ddpZAXXrcDdxzLmgNtXeHEw0X1UjIDZLkMAjxWJfdI8pKhV1 OxlMeL+9taRmr/PDHtRTaIHvt6IRXFze5gsd1x6KukrPYR1N3GiGt/Cr3wPHzpZm HudNU8PhEqcmpebSR0Ydn6FZUV4fPYWCd4i3i1ViZ3w8ay/ouFcSxaEr0utDaEZL AyAmtg1rbWkljmcdeXuj/4Ooxp2k8IjH9y0lVyNQpIcTEbRkHaMLznxZCxjgZeTa G3T5xV97wHKsouF2ipA9jz7RBgawIc+c2A6+VtKJqQvAmPCrVqujx0GL+mi58Uc/ Vl7HceomIqJ/sfBaCu5d7prNmUVCwtjesFyUrGGAKsm7WBHvyFaQdg995JDZGw54 KxnIvWIWFiQodOMQrzTg7ujDAlSOssGxEZjFvvKs9SWRXY/hRkWgeOnssDpb95MS 1WVH/QHF6IRP2N+7eFBcD0PIyhYJ6EufreQXek9ZsIYIy1MLCYqZv4MLVGomDpGP wYpRkzgICN33p7zhLe5E =0eOK -----END PGP SIGNATURE----- --LQksG6bCIzRHxTLp--