On Sat, Nov 22, 2014 at 2:24 PM, Dennis Ferguson <dennis.c.fergu...@gmail.com> wrote: > I'll guess one problem is in sparc/mutex.h, here: > > #define MUTEX_RECEIVE(mtx) /* nothing */ > #define MUTEX_GIVE(mtx) /* nothing */
I think that these macros should be replaced with membar_enter()/member_exit() respectively in sys/kern/kern_mutex.c. The only reason, which I can think of, that these exist is these predate membar ops.
