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| author | Alex Estrin <alex.estrin@intel.com> | 2017-07-24 07:46:36 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-07-31 15:18:37 -0400 |
| commit | 5e2d6764a729bf8d43894b0368b0ae11a19485c0 (patch) | |
| tree | 320cfa734fabe64797f78669e7f63bfe1c3aaa6e /tools/perf/scripts/python | |
| parent | IB/hfi1: Move saving PCI values to a separate function (diff) | |
| download | linux-5e2d6764a729bf8d43894b0368b0ae11a19485c0.tar.gz linux-5e2d6764a729bf8d43894b0368b0ae11a19485c0.zip | |
IB/hfi1: Verify port data VLs credits on transition to Armed
There is a window where the FM can read the buffer control table
and decide not to program buffers. When a port goes down, the code
clears the table and if it is not programmed, posted SDMA descriptors
will never complete due to no buffer credits.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions