diff options
| author | Jean-Philippe Brucker <[email protected]> | 2020-11-06 16:50:47 +0100 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2020-11-23 14:16:55 +0000 |
| commit | cb4789b0d19ff231ce9f73376a023341300aed96 (patch) | |
| tree | 2ca4e1bb68a04c7a9e54483ba9c17663ac1fcff2 /scripts/bpf_helpers_doc.py | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
iommu/ioasid: Add ioasid references
Let IOASID users take references to existing ioasids with ioasid_get().
ioasid_put() drops a reference and only frees the ioasid when its
reference number is zero. It returns true if the ioasid was freed.
For drivers that don't call ioasid_get(), ioasid_put() is the same as
ioasid_free().
Signed-off-by: Jean-Philippe Brucker <[email protected]>
Reviewed-by: Eric Auger <[email protected]>
Reviewed-by: Lu Baolu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'scripts/bpf_helpers_doc.py')
0 files changed, 0 insertions, 0 deletions