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| author | Tomer Tayar <ttayar@habana.ai> | 2023-08-09 16:14:49 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2023-10-09 12:37:22 +0300 |
| commit | 0b75cb5b240fddf181c284d415ee77ef61b418d6 (patch) | |
| tree | eaf4beaab260e709c83a8bc54f5056385d9063db /tools/perf/scripts/python | |
| parent | accel/habanalabs: use exported size from dma_buf and not from phys_pg_pack (diff) | |
| download | linux-0b75cb5b240fddf181c284d415ee77ef61b418d6.tar.gz linux-0b75cb5b240fddf181c284d415ee77ef61b418d6.zip | |
accel/habanalabs: export dma-buf only if size/offset multiples of PAGE_SIZE
It is currently allowed for a user to export dma-buf with size and
offset that are not multiples of PAGE_SIZE.
The exported memory is mapped for the importer device, and there it will
be rounded to PAGE_SIZE, leading to actually exporting more than the
user intended to.
To make the user be aware of it, accept only size and offset which are
multiple of PAGE_SIZE.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions