diff options
| author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2020-02-24 19:58:43 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-03-19 00:32:25 +0300 |
| commit | 87e5fe5b779a20fa02382aaf169015e68710b9ff (patch) | |
| tree | f2da2a77c24715193ae8c44049567ba7e3b52eb8 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 058c59a047d61601abf503563bbea818ee645c09 (diff) | |
| download | linux-87e5fe5b779a20fa02382aaf169015e68710b9ff.tar.xz | |
iommu/arm-smmu-v3: Write level-1 descriptors atomically
Use WRITE_ONCE() to make sure that the SMMU doesn't read incomplete
stream table descriptors. Refer to the comment about 64-bit accesses,
and add the comment to the equivalent context descriptor code.
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions