From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2180FC433DB for ; Fri, 19 Feb 2021 09:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B1EC164E90 for ; Fri, 19 Feb 2021 09:57:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229678AbhBSJ5l (ORCPT ); Fri, 19 Feb 2021 04:57:41 -0500 Received: from stargate.chelsio.com ([12.32.117.8]:61828 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230253AbhBSJ4J (ORCPT ); Fri, 19 Feb 2021 04:56:09 -0500 Received: from localhost (pvp1.blr.asicdesigners.com [10.193.80.26]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id 11J9tCA0001750; Fri, 19 Feb 2021 01:55:13 -0800 Date: Fri, 19 Feb 2021 15:25:12 +0530 From: Krishnamraju Eraparaju To: sashal@kernel.org, gregkh@linuxfoundation.org, stable@vger.kernel.org Cc: Bernard Metzler , Christoph Hellwig , bharat@chelsio.com, krishna2@chelsio.com Subject: backport of dma_virt_ops related fixes to 5.10.y kernels Message-ID: <20210219095510.GA24256@chelsio.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi All, Below commits needs to be backported to 5.10.y kernels to avoid NULL pointer deref panic(while trying to access 'numa_node' from NULL 'dma_device'), @ Line: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/nvme/host/rdma.c?h=v5.10.17#n863) commit:22dd4c707673129ed17e803b4bf68a567b2731db commit:8ecfca68dc4cbee1272a0161e3f2fb9387dc6930 The panic is observed at nvme host(provider/transport being SoftiWARP), while perfroming "nvme discover". Hence, please backport the below patch series to '5.10.y' kernel. "https://lore.kernel.org/linux-iommu/20201106181941.1878556-1-hch@lst.de/" Thanks, Krishnamraju.