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| author | Loic Poulain <loic.poulain@linaro.org> | 2020-11-26 16:06:41 +0100 |
|---|---|---|
| committer | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2021-01-21 13:05:53 +0530 |
| commit | f49b6aeb5c45dea3a1b6ee6a842599147dfd5929 (patch) | |
| tree | 5b4991575ae1180a241988ff51f7062d2512947c /tools/perf/scripts/python/export-to-postgresql.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 <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions