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| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2019-06-14 19:32:44 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-06-18 04:15:40 +0300 |
| commit | 4bb02e9572af1383038d83ad196d7166c515f2ee (patch) | |
| tree | 9e6b3fd603cce795c5e7d5f58c02e7b11813365b /fs/btrfs/dev-replace.c | |
| parent | 9755f72496664eec70bc804104118b5797b6bf63 (diff) | |
| download | linux-4bb02e9572af1383038d83ad196d7166c515f2ee.tar.xz | |
IB/hfi1: Use aborts to trigger RC throttling
SDMA and pio flushes will cause a lot of packets to be transmitted
after a link has gone down, using a lot of CPU to retransmit
packets.
Fix for RC QPs by recognizing the flush status and:
- Forcing a timer start
- Putting the QP into a "send one" mode
Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Reviewed-by: Kaike Wan <kaike.wan@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 'fs/btrfs/dev-replace.c')
0 files changed, 0 insertions, 0 deletions