The core piece of deferred in_pcbfree has already been discussed in D15510.
This change now consists of 2 pieces:
- Convert inpcbinfo info & hash locks to epoch for read and mutex for write
- Garbage collect code that handled INP_INFO_TRY_RLOCK failures as INP_INFO_RLOCK can no longer fail
This branch has been tested by pho@ and LLNW.
Rx on master prior to entropy fix:
rx w/ entropy fix and inpcb lock change