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| author | Loic Poulain <[email protected]> | 2020-11-26 16:06:41 +0100 |
|---|---|---|
| committer | Manivannan Sadhasivam <[email protected]> | 2021-01-21 13:05:53 +0530 |
| commit | f49b6aeb5c45dea3a1b6ee6a842599147dfd5929 (patch) | |
| tree | 5b4991575ae1180a241988ff51f7062d2512947c /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | ec751369d6fbc9f84176e1530b11cbf387262b48 (diff) | |
bus: mhi: Ensure correct ring update ordering with memory barrier
The ring element data, though being part of coherent memory, still need
to be performed before updating the ring context to point to this new
element. That can be guaranteed with a memory barrier (dma_wmb).
Signed-off-by: Loic Poulain <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions