diff options
| author | Mike Marciniszyn <[email protected]> | 2018-11-28 10:33:00 -0800 |
|---|---|---|
| committer | Jason Gunthorpe <[email protected]> | 2018-12-06 20:15:36 -0700 |
| commit | 9aefcabe579bca06325ad9e577a36816f57386ff (patch) | |
| tree | 5d51380942b4dd7b7aa7a2f8b200300f0eec5a28 /lib/test_overflow.c | |
| parent | 18912c4524385dd6532c682cb9d4f6aa39ba8d47 (diff) | |
IB/hfi1: Reduce lock contention on iowait_lock for sdma and pio
Commit 4e045572e2c2 ("IB/hfi1: Add unique txwait_lock for txreq events")
laid the ground work to support per resource waiting locking.
This patch adds that with a lock unique to each sdma engine and pio
sendcontext and makes necessary changes for verbs, PSM, and vnic to use
the new locks.
This is particularly beneficial for smaller messages that will exhaust
resources at a faster rate.
Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Reviewed-by: Gary Leshner <[email protected]>
Signed-off-by: Mike Marciniszyn <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions