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| author | Cong Wang <[email protected]> | 2020-11-17 18:25:34 +0800 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2020-12-01 21:04:56 +0000 |
| commit | 3a651b3a27a1ee35879499ead3942dc854a20968 (patch) | |
| tree | 01c83fe3814ff00104395810a62ee6ff74e5596d /scripts/bpf_helpers_doc.py | |
| parent | 6fa3525b455ae1fde5b424907141b33651f137b0 (diff) | |
iommu: avoid taking iova_rbtree_lock twice
Both find_iova() and __free_iova() take iova_rbtree_lock,
there is no reason to take and release it twice inside
free_iova().
Fold them into one critical section by calling the unlock
versions instead.
Signed-off-by: Cong Wang <[email protected]>
Reviewed-by: Robin Murphy <[email protected]>
Signed-off-by: John Garry <[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