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| author | Bence Csokas <bence.csokas@arm.com> | 2026-10-01 13:00:07 +0200 |
|---|---|---|
| committer | Conor Dooley <conor.dooley@microchip.com> | 2026-10-02 18:25:55 +0100 |
| commit | 5857cd51c200b6924ada0b385162ba4e776e0db1 (patch) | |
| tree | 435b64be42393b3bfe8e367230ae7168ba8db6d2 /tools/lib/python/kdoc/python_version.py | |
| parent | dc59e4fea9d83f03bad6bddf3fa2e52491777482 (diff) | |
| download | linux-next-5857cd51c200b6924ada0b385162ba4e776e0db1.tar.gz linux-next-5857cd51c200b6924ada0b385162ba4e776e0db1.zip | |
cache: Make cpu_cache_invalidate_memregion() error out if there are no handlers
Currently, if there are no registered handlers,
cpu_cache_invalidate_memregion() returns 0. Callers are expected to check
cpu_cache_has_invalidate_memregion() and return -ENXIO themselves, instead
of calling this function. If a caller forgets to do this, they may
erroneously think the operation succeeded. This is in contrast to x86,
where cpu_cache_invalidate_memregion() itself checks if the operation is
supported, and returns -ENXIO if it is not.
Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
Signed-off-by: Bence Csokas <bence.csokas@arm.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'tools/lib/python/kdoc/python_version.py')
0 files changed, 0 insertions, 0 deletions