From: Harish Chegondi <harish.chegondi@xxxxxxxxx>
This would reduce L2 cache misses on s_sde in the _hfi1_schedule_send
function when invoked from post_send thereby improving performance of
post_send.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
Signed-off-by: Harish Chegondi <harish.chegondi@xxxxxxxxx>
Signed-off-by: Jubin John <jubin.john@xxxxxxxxx>
---
Changes in v2:
- None
Changes in v3:
- Refreshed patch against latest staging-next
drivers/staging/rdma/hfi1/verbs.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/rdma/hfi1/verbs.h b/drivers/staging/rdma/hfi1/verbs.h
index 72106e5..d22db39 100644
--- a/drivers/staging/rdma/hfi1/verbs.h
+++ b/drivers/staging/rdma/hfi1/verbs.h
@@ -441,6 +441,7 @@ struct hfi1_qp {
struct hfi1_swqe *s_wq; /* send work queue */
struct hfi1_mmap_info *ip;
struct ahg_ib_header *s_hdr; /* next packet header to send */
+ struct sdma_engine *s_sde; /* current sde */
/* sc for UC/RC QPs - based on ah for UD */
u8 s_sc;
unsigned long timeout_jiffies; /* computed from timeout */
@@ -506,7 +507,6 @@ struct hfi1_qp {
struct hfi1_swqe *s_wqe;
struct hfi1_sge_state s_sge; /* current send request data */
struct hfi1_mregion *s_rdma_mr;
- struct sdma_engine *s_sde; /* current sde */
u32 s_cur_size; /* size of send packet in bytes */
u32 s_len; /* total length of s_sge */
u32 s_rdma_read_len; /* total length of s_rdma_read_sge */
--
1.7.1
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