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| author | Jesper Dangaard Brouer <[email protected]> | 2019-06-18 15:06:08 +0200 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-06-19 11:23:13 -0400 |
| commit | f71fec47c2df704c7081f946d7e46fe036a4208b (patch) | |
| tree | 31644496760e3272d55f8248ef49eed16c32ec1d /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 32c28f7e413981c7dd4a3ad9bbb1151e4b654261 (diff) | |
page_pool: make sure struct device is stable
For DMA mapping use-case the page_pool keeps a pointer
to the struct device, which is used in DMA map/unmap calls.
For our in-flight handling, we also need to make sure that
the struct device have not disappeared. This is assured
via using get_device/put_device API.
Signed-off-by: Jesper Dangaard Brouer <[email protected]>
Reported-by: Ivan Khoronzhuk <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions