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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 8B4F0C43441 for ; Mon, 12 Nov 2018 15:31:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5AE7720815 for ; Mon, 12 Nov 2018 15:31:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5AE7720815 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=opengridcomputing.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729955AbeKMBZe (ORCPT ); Mon, 12 Nov 2018 20:25:34 -0500 Received: from opengridcomputing.com ([72.48.214.68]:42976 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726385AbeKMBZd (ORCPT ); Mon, 12 Nov 2018 20:25:33 -0500 Received: from [10.10.0.239] (cody.ogc.int [10.10.0.239]) by smtp.opengridcomputing.com (Postfix) with ESMTPSA id 115582267C; Mon, 12 Nov 2018 09:31:50 -0600 (CST) Subject: Re: [PATCH] infiniband/hw/cxgb4/qp.c: Use dma_zalloc_coherent To: Sabyasachi Gupta , dledford@redhat.com, jgg@ziepe.ca Cc: jrdr.linux@gmail.com, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, brajeswar.linux@gmail.com References: <5be99a9e.1c69fb81.87c65.4ec2@mx.google.com> From: Steve Wise Message-ID: <53589711-602e-1a0f-9036-ff0d0c30bf57@opengridcomputing.com> Date: Mon, 12 Nov 2018 09:31:52 -0600 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <5be99a9e.1c69fb81.87c65.4ec2@mx.google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/12/2018 9:21 AM, Sabyasachi Gupta wrote: > Replaced dma_alloc_coherent + memset with dma_zalloc_coherent > > Signed-off-by: Sabyasachi Gupta > --- > drivers/infiniband/hw/cxgb4/qp.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c > index 13478f3..5a8030b 100644 > --- a/drivers/infiniband/hw/cxgb4/qp.c > +++ b/drivers/infiniband/hw/cxgb4/qp.c > @@ -2564,13 +2564,12 @@ static int alloc_srq_queue(struct c4iw_srq *srq, struct c4iw_dev_ucontext *uctx, > wq->rqt_abs_idx = (wq->rqt_hwaddr - rdev->lldi.vr->rq.start) >> > T4_RQT_ENTRY_SHIFT; > > - wq->queue = dma_alloc_coherent(&rdev->lldi.pdev->dev, > + wq->queue = dma_zalloc_coherent(&rdev->lldi.pdev->dev, > wq->memsize, &wq->dma_addr, > GFP_KERNEL); > if (!wq->queue) > goto err_free_rqtpool; > > - memset(wq->queue, 0, wq->memsize); > dma_unmap_addr_set(wq, mapping, wq->dma_addr); > > wq->bar2_va = c4iw_bar2_addrs(rdev, wq->qid, CXGB4_BAR2_QTYPE_EGRESS, > Acked-by: Steve Wise