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| author | Alexandre Bounine <[email protected]> | 2016-03-22 21:27:02 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-03-22 22:36:02 +0000 |
| commit | e680b672a2b47748ee548229242b543a23b902c1 (patch) | |
| tree | b4280e3880b2d130f3b134515d69f6d43e1edc35 /scripts/gdb/vmlinux-gdb.py | |
| parent | rapidio/tsi721_dma: update error reporting from prep_sg callback (diff) | |
| download | kernel-e680b672a2b47748ee548229242b543a23b902c1.tar.gz kernel-e680b672a2b47748ee548229242b543a23b902c1.zip | |
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 'scripts/gdb/vmlinux-gdb.py')
0 files changed, 0 insertions, 0 deletions