re: CVS commit: src/sys

[matthew green <mrg%eterna.com.au@localhost>]

> - For alpha and sparc64, don't define MUTEX_CAS() in terms of their own
>   _lock_cas(), which has its own memory barriers; the call sites in
>   kern_mutex.c already have the appropriate memory barrier calls.  Thus,
>   alpha and sparc64 can use default definition.

this seems to leave _lock_cas() unused on both platforms, should
the backing code for _lock_cas() be removed now?

i didn't look closely at other ports (though sh3 looks OK as-is.)

thanks.


.mrg.