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staging/hfi1: Move s_sde to read mostly section of hfi1_qp

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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@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Harish Chegondi 2016-01-11 18:30:53 -05:00 committed by Doug Ledford
parent 349ac71ffa
commit 9eb0432baa
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/rdma/hfi1/verbs.h
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@ -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 */