* [ofa-general] [PATCH 2.6.26] RDMA/cxgb3: Wrap the software sq ptr as needed on flush.
@ 2008-05-09 20:19 Steve Wise
2008-05-13 18:53 ` Roland Dreier
0 siblings, 1 reply; 2+ messages in thread
From: Steve Wise @ 2008-05-09 20:19 UTC (permalink / raw)
To: rdreier; +Cc: netdev, linux-kernel, general
cxio_flush_sq() was failing to wrap around the sw-sq causing garbage
completion entries on a flush operation.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---
drivers/infiniband/hw/cxgb3/cxio_hal.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 5fd8506..20a6326 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -405,11 +405,11 @@ int cxio_flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count)
struct t3_swsq *sqp = wq->sq + Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2);
ptr = wq->sq_rptr + count;
- sqp += count;
+ sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
while (ptr != wq->sq_wptr) {
insert_sq_cqe(wq, cq, sqp);
- sqp++;
ptr++;
+ sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2);
flushed++;
}
return flushed;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [ofa-general] [PATCH 2.6.26] RDMA/cxgb3: Wrap the software sq ptr as needed on flush.
2008-05-09 20:19 [ofa-general] [PATCH 2.6.26] RDMA/cxgb3: Wrap the software sq ptr as needed on flush Steve Wise
@ 2008-05-13 18:53 ` Roland Dreier
0 siblings, 0 replies; 2+ messages in thread
From: Roland Dreier @ 2008-05-13 18:53 UTC (permalink / raw)
To: Steve Wise; +Cc: netdev, linux-kernel, general
thanks, applied
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-05-09 20:19 [ofa-general] [PATCH 2.6.26] RDMA/cxgb3: Wrap the software sq ptr as needed on flush Steve Wise
2008-05-13 18:53 ` Roland Dreier
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