pci_alloc_consistent calls dma_alloc_coherent directly. In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent/dmam_alloc_coherent has already zeroed the memory. So the memset after these 3 function calls is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx> --- drivers/infiniband/hw/cxgb3/cxio_hal.c | 3 --- drivers/infiniband/hw/cxgb4/cq.c | 1 - drivers/infiniband/hw/cxgb4/qp.c | 1 - drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 1 - drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 --- drivers/infiniband/hw/mthca/mthca_allocator.c | 2 -- drivers/infiniband/hw/nes/nes_verbs.c | 3 --- drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 3 --- drivers/infiniband/ulp/ipoib/ipoib_cm.c | 1 - 9 files changed, 18 deletions(-) diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c index 8ac72ac7cbac..0e37f55678f8 100644 --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c @@ -174,7 +174,6 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel) return -ENOMEM; } dma_unmap_addr_set(cq, mapping, cq->dma_addr); - memset(cq->queue, 0, size); setup.id = cq->cqid; setup.base_addr = (u64) (cq->dma_addr); setup.size = 1UL << cq->size_log2; @@ -538,8 +537,6 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p) dma_unmap_addr_set(&rdev_p->ctrl_qp, mapping, rdev_p->ctrl_qp.dma_addr); rdev_p->ctrl_qp.doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr; - memset(rdev_p->ctrl_qp.workq, 0, - (1 << T3_CTRL_QP_SIZE_LOG2) * sizeof(union t3_wr)); mutex_init(&rdev_p->ctrl_qp.lock); init_waitqueue_head(&rdev_p->ctrl_qp.waitq); diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index 52ce586621c6..fcd161e3495b 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -104,7 +104,6 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq, goto err3; } dma_unmap_addr_set(cq, mapping, cq->dma_addr); - memset(cq->queue, 0, cq->memsize); if (user && ucontext->is_32b_cqe) { cq->qp_errp = &((struct t4_status_page *) diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index e92b9544357a..4882dcbb7d20 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -274,7 +274,6 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, (unsigned long long)virt_to_phys(wq->sq.queue), wq->rq.queue, (unsigned long long)virt_to_phys(wq->rq.queue)); - memset(wq->rq.queue, 0, wq->rq.memsize); dma_unmap_addr_set(&wq->rq, mapping, wq->rq.dma_addr); } diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index e068a02122f5..36d9dcaaa8f9 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -4265,7 +4265,6 @@ static int hns_roce_v1_create_eq(struct hns_roce_dev *hr_dev, } eq->buf_list[i].map = tmp_dma_addr; - memset(eq->buf_list[i].buf, 0, HNS_ROCE_BA_SIZE); } eq->cons_index = 0; roce_set_field(tmp, ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index b5392cb5b20f..a4a7c5962916 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -1774,7 +1774,6 @@ static int hns_roce_init_link_table(struct hns_roce_dev *hr_dev, goto err_alloc_buf_failed; link_tbl->pg_list[i].map = t; - memset(link_tbl->pg_list[i].buf, 0, buf_chk_sz); entry[i].blk_ba0 = (t >> 12) & 0xffffffff; roce_set_field(entry[i].blk_ba1_nxt_ptr, @@ -5387,8 +5386,6 @@ static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev, eq->cur_eqe_ba = eq->l0_dma; eq->nxt_eqe_ba = 0; - memset(eq->bt_l0, 0, eq->entries * eq->eqe_size); - return 0; } diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c index aaf10dd5364d..aef1d274a14e 100644 --- a/drivers/infiniband/hw/mthca/mthca_allocator.c +++ b/drivers/infiniband/hw/mthca/mthca_allocator.c @@ -214,8 +214,6 @@ int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct, dma_unmap_addr_set(&buf->direct, mapping, t); - memset(buf->direct.buf, 0, size); - while (t & ((1 << shift) - 1)) { --shift; npages *= 2; diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 49024326a518..534f978f1a58 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -828,7 +828,6 @@ static int nes_setup_virt_qp(struct nes_qp *nesqp, struct nes_pbl *nespbl, kunmap(nesqp->page); return -ENOMEM; } - memset(nesqp->pbl_vbase, 0, 256); /* fill in the page address in the pbl buffer.. */ tpbl = pblbuffer + 16; pbl = (__le64 *)nespbl->pbl_vbase; @@ -898,8 +897,6 @@ static int nes_setup_mmap_qp(struct nes_qp *nesqp, struct nes_vnic *nesvnic, "host descriptor rings located @ %p (pa = 0x%08lX.) size = %u.\n", mem, (unsigned long)nesqp->hwqp.sq_pbase, nesqp->qp_mem_size); - memset(mem, 0, nesqp->qp_mem_size); - nesqp->hwqp.sq_vbase = mem; mem += sizeof(struct nes_hw_qp_wqe) * sq_size; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 5127e2ea4bdd..6e07712eb3ed 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1351,7 +1351,6 @@ static int ocrdma_mbx_get_ctrl_attribs(struct ocrdma_dev *dev) mqe->u.nonemb_req.sge[0].pa_hi = (u32) upper_32_bits(dma.pa); mqe->u.nonemb_req.sge[0].len = dma.size; - memset(dma.va, 0, dma.size); ocrdma_init_mch((struct ocrdma_mbx_hdr *)dma.va, OCRDMA_CMD_GET_CTRL_ATTRIBUTES, OCRDMA_SUBSYS_COMMON, @@ -1690,7 +1689,6 @@ static int ocrdma_mbx_create_ah_tbl(struct ocrdma_dev *dev) goto mem_err_ah; dev->av_tbl.pa = pa; dev->av_tbl.num_ah = max_ah; - memset(dev->av_tbl.va, 0, dev->av_tbl.size); pbes = (struct ocrdma_pbe *)dev->av_tbl.pbl.va; for (i = 0; i < dev->av_tbl.size / OCRDMA_MIN_Q_PAGE_SIZE; i++) { @@ -2905,7 +2903,6 @@ static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype, mqe_sge->pa_hi = (u32) upper_32_bits(pa); mqe_sge->len = cmd.hdr.pyld_len; - memset(req, 0, sizeof(struct ocrdma_get_dcbx_cfg_req)); ocrdma_init_mch(&req->hdr, OCRDMA_CMD_GET_DCBX_CONFIG, OCRDMA_SUBSYS_DCBX, cmd.hdr.pyld_len); req->param_type = ptype; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index aa9dcfc36cd3..c59e00a0881f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1153,7 +1153,6 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn, ret = -ENOMEM; goto err_tx; } - memset(p->tx_ring, 0, ipoib_sendq_size * sizeof(*p->tx_ring)); p->qp = ipoib_cm_create_tx_qp(p->dev, p); memalloc_noio_restore(noio_flag); -- 2.11.0