remove unused cpu_lock code (where it is truly unused). it is not

part of the future we have planned. middling ok from a few

1 files changed, 1 insertions, 47 deletions

diff --git a/sys/arch/sparc64/include/lock.h b/sys/arch/sparc64/include/lock.h
index 80ceee1008f..ba41eb7a946 100644
--- a/sys/arch/sparc64/include/lock.h
+++ b/sys/arch/sparc64/include/lock.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lock.h,v 1.7 2011/07/02 22:19:16 guenther Exp $	*/
+/*	$OpenBSD: lock.h,v 1.8 2013/05/21 20:05:30 tedu Exp $	*/
 
 /* public domain */
 
@@ -8,52 +8,6 @@
 #include <machine/atomic.h>
 #include <machine/ctlreg.h>
 
-typedef volatile u_int8_t __cpu_simple_lock_t;
-
-#define	__SIMPLELOCK_LOCKED	0xff
-#define	__SIMPLELOCK_UNLOCKED	0x00
-
-static __inline__ void
-__cpu_simple_lock_init(__cpu_simple_lock_t *l)
-{
-	*l = __SIMPLELOCK_UNLOCKED;
-}
-
-static __inline__ u_int8_t
-__cpu_ldstub(__cpu_simple_lock_t *l)
-{
-	u_int8_t old;
-
-	__asm__ __volatile__
-	    ("ldstub [%1], %0" : "=&r" (old) : "r" (l) : "memory");
-	return old;
-}
-
-static __inline__ void
-__cpu_simple_lock(__cpu_simple_lock_t *l)
-{
-	while (__cpu_ldstub(l) != __SIMPLELOCK_UNLOCKED)
-		while (*l != __SIMPLELOCK_UNLOCKED)
-			;
-	membar(LoadLoad | LoadStore);	/* only needed for PSO and RMO */
-}
-
-static __inline__ int
-__cpu_simple_lock_try(__cpu_simple_lock_t *l)
-{
-	if (__cpu_ldstub(l) != __SIMPLELOCK_UNLOCKED)
-		return (0);
-	membar(LoadLoad | LoadStore);	/* only needed for PSO and RMO */
-	return (1);
-}
-
-static __inline__ void
-__cpu_simple_unlock(__cpu_simple_lock_t *l)
-{
-	membar(StoreStore | LoadStore);	/* only needed for PSO and RMO */
-	*l = __SIMPLELOCK_UNLOCKED;
-}
-
 #define	rw_cas(p, o, n)		(sparc64_casx(p, o, n) != o)
 
 #endif	/* _MACHINE_LOCK_H_ */