CVSROOT: /cvs Module name: src Changes by: [email protected] 2019/03/22 23:30:16
Modified files:
sys/kern : kern_lock.c
sys/sys : mutex.h
Log message:
Add a simple spinning mutex for ddb. Unlike mutex(9), this lock keeps
on spinning even if `db_active' or `panicstr' has been set. The new
mutex also disables IPIs in the critical section.
OK mpi@ patrick@
