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| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2017-05-04 15:14:04 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-05-05 02:31:46 +0300 |
| commit | 688f21c0be9e3ddd6c5b2241daeb9fe978c0e081 (patch) | |
| tree | 35a23885dbec15d72e12545b14913846e1d02cf2 /include/rdma | |
| parent | 02d1008bcf41c7eada7882df673ae3794f7bfea8 (diff) | |
| download | linux-688f21c0be9e3ddd6c5b2241daeb9fe978c0e081.tar.xz | |
IB/hfi1, IB/rdmavt: Move r_adefered to r_lock cache line
This field is causing excessive cache line bouncing.
There are spare bytes in the r_lock cache line so the best approach
is to make an rvt QP field and remove from the hfi1 priv field.
Signed-off-by: Sebastian Sanchez <sebastian.sanchez@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 1d8141a88d3c..be6472e5b06b 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -324,6 +324,7 @@ struct rvt_qp { u8 r_state; /* opcode of last packet received */ u8 r_flags; u8 r_head_ack_queue; /* index into s_ack_queue[] */ + u8 r_adefered; /* defered ack count */ struct list_head rspwait; /* link for waiting to respond */ |