From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753196AbcHAXBQ (ORCPT ); Mon, 1 Aug 2016 19:01:16 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:5267 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751460AbcHAXAq (ORCPT ); Mon, 1 Aug 2016 19:00:46 -0400 X-IBM-Helo: d24dlp02.br.ibm.com X-IBM-MailFrom: mauricfo@linux.vnet.ibm.com X-IBM-RcptTo: linux-doc@vger.kernel.org;linux-kernel@vger.kernel.org From: Mauricio Faria de Oliveira To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, corbet@lwn.net, akpm@linux-foundation.org, rmk+kernel@arm.linux.org.uk, keith.busch@intel.com, axboe@fb.com, benh@kernel.crashing.org, mpe@ellerman.id.au Cc: k.kozlowski@samsung.com Subject: [PATCH 3/3] nvme: use the DMA_ATTR_NO_WARN attribute Date: Mon, 1 Aug 2016 19:59:50 -0300 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1470092390-25451-1-git-send-email-mauricfo@linux.vnet.ibm.com> References: <1470092390-25451-1-git-send-email-mauricfo@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16080122-0032-0000-0000-0000026EF176 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16080122-0033-0000-0000-00000EB0A440 Message-Id: <1470092390-25451-4-git-send-email-mauricfo@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-01_15:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608010236 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the DMA_ATTR_NO_WARN attribute for the dma_map_sg() call of the nvme driver that returns BLK_MQ_RQ_QUEUE_BUSY (not for BLK_MQ_RQ_QUEUE_ERROR). Signed-off-by: Mauricio Faria de Oliveira Reviewed-by: Gabriel Krisman Bertazi --- drivers/nvme/host/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index d7c33f9..eeaeae0 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -503,7 +503,8 @@ static int nvme_map_data(struct nvme_dev *dev, struct request *req, goto out; ret = BLK_MQ_RQ_QUEUE_BUSY; - if (!dma_map_sg(dev->dev, iod->sg, iod->nents, dma_dir)) + if (!dma_map_sg_attrs(dev->dev, iod->sg, iod->nents, dma_dir, + DMA_ATTR_NO_WARN)) goto out; if (!nvme_setup_prps(dev, req, size)) -- 1.8.3.1