diff options
| author |   Harish Chegondi <harish.chegondi@intel.com> | 2016-01-11 18:30:53 -0500 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-03-01 10:36:26 -0500 |
| commit | 9eb0432baa150c31222be71f435091ea562f93cf (patch) | |
| tree | 1ab6d36404160e30df00504c8b354a9fe57115f3 /drivers | |
| parent | staging/hfi1: Use BIT macro (diff) | |
| download | linux-dev-9eb0432baa150c31222be71f435091ea562f93cf.tar.xz linux-dev-9eb0432baa150c31222be71f435091ea562f93cf.zip | |
staging/hfi1: Move s_sde to read mostly section of hfi1_qp
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 286e468b0479..a163fc275440 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 */ |