Remove __mp_release_all_but_one().

Author: haesbaert

sys/arch/amd64/amd64/lock_machdep.c

@@ -122,24 +122,6 @@ __mp_release_all(struct __mp_lock *mpl)
 	return (rv);
 }
 
-int
-__mp_release_all_but_one(struct __mp_lock *mpl)
-{
-	struct __mp_lock_cpu *cpu = &mpl->mpl_cpus[cpu_number()];
-	int rv = cpu->mplc_depth - 1;
-
-#ifdef MP_LOCKDEBUG
-	if (!__mp_lock_held(mpl)) {
-		db_printf("__mp_release_all_but_one(%p): not held lock\n", mpl);
-		Debugger();
-	}
-#endif
-
-	cpu->mplc_depth = 1;
-
-	return (rv);
-}
-
 void
 __mp_acquire_count(struct __mp_lock *mpl, int count)
 {

sys/arch/amd64/include/mplock.h

@@ -44,7 +44,6 @@ void __mp_lock_init(struct __mp_lock *);
 void __mp_lock(struct __mp_lock *);
 void __mp_unlock(struct __mp_lock *);
 int __mp_release_all(struct __mp_lock *);
-int __mp_release_all_but_one(struct __mp_lock *);
 void __mp_acquire_count(struct __mp_lock *, int);
 int __mp_lock_held(struct __mp_lock *);
 

sys/sys/mplock.h

@@ -36,7 +36,6 @@ void __mp_lock_init(struct __mp_lock *);
 void __mp_lock(struct __mp_lock *);
 void __mp_unlock(struct __mp_lock *);
 int __mp_release_all(struct __mp_lock *);
-int __mp_release_all_but_one(struct __mp_lock *);
 void __mp_acquire_count(struct __mp_lock *, int);
 int __mp_lock_held(struct __mp_lock *);
 #endif