diff options
| author | Alexandre Bounine <[email protected]> | 2016-03-22 14:27:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-03-22 15:36:02 -0700 |
| commit | e680b672a2b47748ee548229242b543a23b902c1 (patch) | |
| tree | b4280e3880b2d130f3b134515d69f6d43e1edc35 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py | |
| parent | 83472457505c454592d91807754135d0ad34b125 (diff) | |
rapidio/tsi721_dma: fix synchronization issues
Fix synchronization issues found during testing using multiple DMA
transfer requests to the same channel:
- lost MSI-X interrupt notifications
- non-synchronized attempts to start DMA channel HW resulting in error
message from the driver
- cookie tracking/update race conditions resulting in incorrect DMA
transfer status report
Signed-off-by: Alexandre Bounine <[email protected]>
Reported-by: Barry Wood <[email protected]>
Tested-by: Barry Wood <[email protected]>
Cc: Matt Porter <[email protected]>
Cc: Aurelien Jacquiot <[email protected]>
Cc: Andre van Herk <[email protected]>
Cc: Barry Wood <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py')
0 files changed, 0 insertions, 0 deletions