Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752500AbaFOUif (ORCPT ); Sun, 15 Jun 2014 16:38:35 -0400 Received: from smtprelay0180.hostedemail.com ([216.40.44.180]:49841 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752411AbaFOUib (ORCPT ); Sun, 15 Jun 2014 16:38:31 -0400 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::,RULES_HIT:2:41:69:355:379:541:800:960:966:973:988:989:1260:1345:1359:1437:1535:1605:1730:1747:1777:1792:2196:2199:2393:2559:2562:3138:3139:3140:3141:3142:3865:3866:4050:4118:4321:4385:4605:5007:6261:8603:9592:10004:10026:10848:11026:11473:11657:11658:11914:12043:12296:12438:12517:12519:12555,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: apple79_67374d7b8304a X-Filterd-Recvd-Size: 7938 From: Joe Perches To: linux-kernel@vger.kernel.org Cc: Steve Wise , Roland Dreier , Sean Hefty , Hal Rosenstock , linux-rdma@vger.kernel.org Subject: [PATCH -next 08/26] infiniband: Use dma_zalloc_coherent Date: Sun, 15 Jun 2014 13:37:37 -0700 Message-Id: X-Mailer: git-send-email 1.8.1.2.459.gbcd45b4.dirty In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Signed-off-by: Joe Perches --- drivers/infiniband/hw/cxgb3/cxio_hal.c | 7 +++---- drivers/infiniband/hw/mthca/mthca_memfree.c | 5 ++--- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 20 ++++++++------------ drivers/infiniband/hw/ocrdma/ocrdma_stats.c | 6 ++---- drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 8 +++----- 5 files changed, 18 insertions(+), 28 deletions(-) diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index de1c61b4..3173154 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -293,13 +293,12 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain, if (!wq->sq) goto err3; - wq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev), - depth * sizeof(union t3_wr), - &(wq->dma_addr), GFP_KERNEL); + wq->queue = dma_zalloc_coherent(&(rdev_p->rnic_info.pdev->dev), + depth * sizeof(union t3_wr), + &wq->dma_addr, GFP_KERNEL); if (!wq->queue) goto err4; - memset(wq->queue, 0, depth * sizeof(union t3_wr)); dma_unmap_addr_set(wq, mapping, wq->dma_addr); wq->doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr; if (!kernel_domain) diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 7d2e42d..1959dc5 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -624,13 +624,12 @@ int mthca_alloc_db(struct mthca_dev *dev, enum mthca_db_type type, page = dev->db_tab->page + end; alloc: - page->db_rec = dma_alloc_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE, - &page->mapping, GFP_KERNEL); + page->db_rec = dma_zalloc_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE, + &page->mapping, GFP_KERNEL); if (!page->db_rec) { ret = -ENOMEM; goto out; } - memset(page->db_rec, 0, MTHCA_ICM_PAGE_SIZE); ret = mthca_MAP_ICM_page(dev, page->mapping, mthca_uarc_virt(dev, &dev->driver_uar, i)); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 3bbf201..f747d64 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -365,11 +365,11 @@ static int ocrdma_alloc_q(struct ocrdma_dev *dev, q->len = len; q->entry_size = entry_size; q->size = len * entry_size; - q->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, q->size, - &q->dma, GFP_KERNEL); + q->va = dma_zalloc_coherent(&dev->nic_info.pdev->dev, q->size, + &q->dma, GFP_KERNEL); if (!q->va) return -ENOMEM; - memset(q->va, 0, q->size); + return 0; } @@ -1581,12 +1581,11 @@ int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, return -ENOMEM; ocrdma_init_mch(&cmd->cmd.req, OCRDMA_CMD_CREATE_CQ, OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); - cq->va = dma_alloc_coherent(&pdev->dev, cq->len, &cq->pa, GFP_KERNEL); + cq->va = dma_zalloc_coherent(&pdev->dev, cq->len, &cq->pa, GFP_KERNEL); if (!cq->va) { status = -ENOMEM; goto mem_err; } - memset(cq->va, 0, cq->len); page_size = cq->len / hw_pages; cmd->cmd.pgsz_pgcnt = (page_size / OCRDMA_MIN_Q_PAGE_SIZE) << OCRDMA_CREATE_CQ_PAGE_SIZE_SHIFT; @@ -1973,10 +1972,9 @@ static int ocrdma_set_create_qp_sq_cmd(struct ocrdma_create_qp_req *cmd, qp->sq.max_cnt = max_wqe_allocated; len = (hw_pages * hw_page_size); - qp->sq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); + qp->sq.va = dma_zalloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); if (!qp->sq.va) return -EINVAL; - memset(qp->sq.va, 0, len); qp->sq.len = len; qp->sq.pa = pa; qp->sq.entry_size = dev->attr.wqe_size; @@ -2023,10 +2021,9 @@ static int ocrdma_set_create_qp_rq_cmd(struct ocrdma_create_qp_req *cmd, qp->rq.max_cnt = max_rqe_allocated; len = (hw_pages * hw_page_size); - qp->rq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); + qp->rq.va = dma_zalloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); if (!qp->rq.va) return -ENOMEM; - memset(qp->rq.va, 0, len); qp->rq.pa = pa; qp->rq.len = len; qp->rq.entry_size = dev->attr.rqe_size; @@ -2079,11 +2076,10 @@ static int ocrdma_set_create_qp_ird_cmd(struct ocrdma_create_qp_req *cmd, if (dev->attr.ird == 0) return 0; - qp->ird_q_va = dma_alloc_coherent(&pdev->dev, ird_q_len, - &pa, GFP_KERNEL); + qp->ird_q_va = dma_zalloc_coherent(&pdev->dev, ird_q_len, &pa, + GFP_KERNEL); if (!qp->ird_q_va) return -ENOMEM; - memset(qp->ird_q_va, 0, ird_q_len); ocrdma_build_q_pages(&cmd->ird_addr[0], dev->attr.num_ird_pages, pa, ird_page_size); for (; i < ird_q_len / dev->attr.rqe_size; i++) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c index 41a9aec..d5692d1 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -56,15 +56,13 @@ static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev) mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req), sizeof(struct ocrdma_rdma_stats_resp)); - mem->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, mem->size, - &mem->pa, GFP_KERNEL); + mem->va = dma_zalloc_coherent(&dev->nic_info.pdev->dev, mem->size, + &mem->pa, GFP_KERNEL); if (!mem->va) { pr_err("%s: stats mbox allocation failed\n", __func__); return false; } - memset(mem->va, 0, mem->size); - /* Alloc debugfs mem */ mem->debugfs_mem = kzalloc(OCRDMA_MAX_DBGFS_MEM, GFP_KERNEL); if (!mem->debugfs_mem) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index edf6211..461712b 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -373,13 +373,12 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev, INIT_LIST_HEAD(&ctx->mm_head); mutex_init(&ctx->mm_list_lock); - ctx->ah_tbl.va = dma_alloc_coherent(&pdev->dev, map_len, - &ctx->ah_tbl.pa, GFP_KERNEL); + ctx->ah_tbl.va = dma_zalloc_coherent(&pdev->dev, map_len, + &ctx->ah_tbl.pa, GFP_KERNEL); if (!ctx->ah_tbl.va) { kfree(ctx); return ERR_PTR(-ENOMEM); } - memset(ctx->ah_tbl.va, 0, map_len); ctx->ah_tbl.len = map_len; memset(&resp, 0, sizeof(resp)); @@ -708,13 +707,12 @@ static int ocrdma_build_pbl_tbl(struct ocrdma_dev *dev, struct ocrdma_hw_mr *mr) return -ENOMEM; for (i = 0; i < mr->num_pbls; i++) { - va = dma_alloc_coherent(&pdev->dev, dma_len, &pa, GFP_KERNEL); + va = dma_zalloc_coherent(&pdev->dev, dma_len, &pa, GFP_KERNEL); if (!va) { ocrdma_free_mr_pbl_tbl(dev, mr); status = -ENOMEM; break; } - memset(va, 0, dma_len); mr->pbl_table[i].va = va; mr->pbl_table[i].pa = pa; } -- 1.8.1.2.459.gbcd45b4.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/