CVS commit: src/sys/net

["Jason R Thorpe" <thorpej%netbsd.org@localhost>]

Module Name:    src
Committed By:   thorpej
Date:           Sun Sep  4 17:34:44 UTC 2022

Modified Files:
        src/sys/net: pktqueue.c

Log Message:
In pktq_flush():
- Run a dummy softint at IPL_SOFTNET on all CPUs to ensure that the
  ISR for this pktqueue is not running (addresses a pre-existing XXX).
- Hold the barrier lock around the critical section to ensure that
  implicit pktq_barrier() calls via pktq_ifdetach() are held off during
  the critical section.
- Ensure the critical section completes in minimal time by not freeing
  memory during the critical section; instead, just build a list of the
  packets pulled out of the per-CPU queues and free them after the critical
  section is over.


To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.21 src/sys/net/pktqueue.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.