Lock busdma operations and serialize detach against open/close
Use sx to allow M_WAITOK allocations (suggested by markj).
admbugs: 782
Reviewed by: markj
(cherry picked from commit 9f011bca829751ed3552ac94fe7c865d75fabfc4)
Description
Description
Details
Details
- Provenance
marcel Authored on Jul 4 2019, 2:51 AM markj Committed on Apr 6 2021, 3:20 PM - Parents
- rG30b1f8cd1122: Reduce chance of RCU deadlock in the LinuxKPI by implementing the section
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