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| author | Sebastian Sanchez <sebastian.sanchez@intel.com> | 2017-02-08 16:26:31 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-02-19 17:18:35 +0300 |
| commit | 338adfdddf6abe89726e1146ad3102ce9663a634 (patch) | |
| tree | e509ec29d80f6cd81097ffea338a8a7222ec7389 /virt | |
| parent | f3e862cb6894389a35d0beb10f73d62eb3317beb (diff) | |
| download | linux-338adfdddf6abe89726e1146ad3102ce9663a634.tar.xz | |
IB/rdmavt: Use per-CPU reference count for MRs
Having per-CPU reference count for each MR prevents
cache-line bouncing across the system. Thus, it
prevents bottlenecks. Use per-CPU reference counts
per MR.
The per-CPU reference count for FMRs is used in
atomic mode to allow accurate testing of the busy
state. Other MR types run in per-CPU mode MR until
they're freed.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
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 'virt')
0 files changed, 0 insertions, 0 deletions