From patchwork Tue Sep 1 15:10:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 310521 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 7A3EEC433E7 for ; Tue, 1 Sep 2020 15:25:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51A012100A for ; Tue, 1 Sep 2020 15:25:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598973932; bh=7vW9pubFJ2lXT/pAXpSXlFiiGmSmzPr2BzVU76xukgM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Qs4BeGP2TxuMBU4b1IF33zSGq9Cjzn3lQicuU3j3/QbJ81QymBmSsRGvGXJN/0mjP lym8kWHcQeaM4SZVBunEr29Tsn4y6Sj4ooMsAy1mcQ4aw5zEFJzsgR/hZopgn1b8Ni oGsTm4vMM0sZrkXw+DS7RAtIJlDYHNKrl6OgCNEI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730042AbgIAPZa (ORCPT ); Tue, 1 Sep 2020 11:25:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:49824 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729781AbgIAPZY (ORCPT ); Tue, 1 Sep 2020 11:25:24 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D4851206FA; Tue, 1 Sep 2020 15:25:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598973922; bh=7vW9pubFJ2lXT/pAXpSXlFiiGmSmzPr2BzVU76xukgM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OF1GcMRcveuex0/zK3txw31U0oci/8UgEt8A+Zsx+HM+eP9AUjl2oMwxCTxZvhZTg 6BmOX75cNfWU8tZsdvWAAFhaeRRVPLrevE+SOHhP3nXx6KZoQv7bQrgcl09YlqnxVb xYGLUKK5HhkUAtZcttgxh/9FO3LQDjtKo2HO8nlA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hannes Reinecke , Lee Duncan , Mike Christie , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.19 070/125] scsi: fcoe: Fix I/O path allocation Date: Tue, 1 Sep 2020 17:10:25 +0200 Message-Id: <20200901150938.006852549@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150934.576210879@linuxfoundation.org> References: <20200901150934.576210879@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mike Christie [ Upstream commit fa39ab5184d64563cd36f2fb5f0d3fbad83a432c ] ixgbe_fcoe_ddp_setup() can be called from the main I/O path and is called with a spin_lock held, so we have to use GFP_ATOMIC allocation instead of GFP_KERNEL. Link: https://lore.kernel.org/r/1596831813-9839-1-git-send-email-michael.christie@oracle.com cc: Hannes Reinecke Reviewed-by: Lee Duncan Signed-off-by: Mike Christie Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index ccd852ad62a4b..d50c5b55da180 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -192,7 +192,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid, } /* alloc the udl from per cpu ddp pool */ - ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_KERNEL, &ddp->udp); + ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_ATOMIC, &ddp->udp); if (!ddp->udl) { e_err(drv, "failed allocated ddp context\n"); goto out_noddp_unmap;