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authorMike Marciniszyn <mike.marciniszyn@intel.com>2017-05-04 15:14:04 +0300
committerDoug Ledford <dledford@redhat.com>2017-05-05 02:31:46 +0300
commit688f21c0be9e3ddd6c5b2241daeb9fe978c0e081 (patch)
tree35a23885dbec15d72e12545b14913846e1d02cf2 /include/rdma
parent02d1008bcf41c7eada7882df673ae3794f7bfea8 (diff)
downloadlinux-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.h1
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 */