Module Name: src
Committed By: matt
Date: Fri Sep 19 17:52:43 UTC 2014
Modified Files:
src/sys/kern: kern_mutex.c
Log Message:
Allow MD code to use something other than __cpu_simple_lock_t for doing spin
locks but use the same logic.
MUTEX_SPINBIT_LOCK_INIT
MUTEX_SPINBIT_LOCK_TRY
MUTEX_SPINBIT_LOCKED_P
MUTEX_SPINBIT_LOCK_UNLOCK
MUTEX_INITIALIZE_SPIN_IPL
For those platforms without sub-word CAS, you can use these to place the
mutex lock and ipl inside a full machine word and use CAS to update them.
To generate a diff of this commit:
cvs rdiff -u -r1.59 -r1.60 src/sys/kern/kern_mutex.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
