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* [PATCH 22/87] infiniband: cxgb4: Remove call to memset after dma_alloc_coherent in qp.c
@ 2019-06-27 17:37 ` Fuqian Huang
  0 siblings, 0 replies; 2+ messages in thread
From: Fuqian Huang @ 2019-06-27 17:37 UTC (permalink / raw)
  Cc: Fuqian Huang, Potnuri Bharat Teja, Doug Ledford, Jason Gunthorpe,
	linux-rdma, linux-kernel

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 1 -
 1 file changed, 1 deletion(-)

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);
 	}
 
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH 22/87] infiniband: cxgb4: Remove call to memset after dma_alloc_coherent in qp.c
@ 2019-06-27 17:37 ` Fuqian Huang
  0 siblings, 0 replies; 2+ messages in thread
From: Fuqian Huang @ 2019-06-27 17:37 UTC (permalink / raw)
  Cc: Fuqian Huang, Potnuri Bharat Teja, Doug Ledford, Jason Gunthorpe,
	linux-rdma, linux-kernel

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
---
 drivers/infiniband/hw/cxgb4/qp.c | 1 -
 1 file changed, 1 deletion(-)

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);
 	}
 
-- 
2.11.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-06-27 17:37 UTC | newest]

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2019-06-27 17:37 [PATCH 22/87] infiniband: cxgb4: Remove call to memset after dma_alloc_coherent in qp.c Fuqian Huang
2019-06-27 17:37 ` Fuqian Huang

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