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=-11.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 4EEB2C4320A for ; Wed, 18 Aug 2021 22:40:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BF1E6108D for ; Wed, 18 Aug 2021 22:40:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234703AbhHRWkn (ORCPT ); Wed, 18 Aug 2021 18:40:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:55344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234624AbhHRWkm (ORCPT ); Wed, 18 Aug 2021 18:40:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id B8532610D2; Wed, 18 Aug 2021 22:40:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629326406; bh=ub4117PCBJL9tI8sXJcmEZA5GAcpq4QhJp59K8FOGCg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=sZNV5qdbb3+fOs/E8z3dR0c/tCfOvkerE39Fmd5PzQ6ipRUatnOVFkdRNlq/LYiY3 Jv8EKJ/2Bto1+zxGc1fz8LRZ+STBwdzEIuEf6XDskt6HXGLZgZ4xkYn05XBOF5KfBr dNC8sa8Qc6TmpPAx2iJ8zD0nA6+7I3iA4lX/ybBCumbmGnbGW6e0h3Db18sb8Vk2uP ckeK29K+oFSHBXsrYdM/vZUQgQMMUMpH0MDpKskSSFzCda3dlHCrpemxDCJLtHklTH HJQ7PH95qUxbBrFVYT6PoWDWPf0zG+jYEy6SJkO3jr6OirOqK5vCl8ThH7ZstTHCRE 4VaMxpHsdPWtQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net 1/1] net/rds: dma_map_sg is entitled to merge entries From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162932640671.7744.17327639180995052321.git-patchwork-notify@kernel.org> Date: Wed, 18 Aug 2021 22:40:06 +0000 References: <60efc69f-1f35-529d-a7ef-da0549cad143@oracle.com> In-Reply-To: <60efc69f-1f35-529d-a7ef-da0549cad143@oracle.com> To: Gerd Rausch Cc: santosh.shilimkar@oracle.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Tue, 17 Aug 2021 10:04:37 -0700 you wrote: > Function "dma_map_sg" is entitled to merge adjacent entries > and return a value smaller than what was passed as "nents". > > Subsequently "ib_map_mr_sg" needs to work with this value ("sg_dma_len") > rather than the original "nents" parameter ("sg_len"). > > This old RDS bug was exposed and reliably causes kernel panics > (using RDMA operations "rds-stress -D") on x86_64 starting with: > commit c588072bba6b ("iommu/vt-d: Convert intel iommu driver to the iommu ops") > > [...] Here is the summary with links: - [net,1/1] net/rds: dma_map_sg is entitled to merge entries https://git.kernel.org/netdev/net/c/fb4b1373dcab You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html