[src/trunk]: src/sys/arch/powerpc/include Nix mb_* on powerpc.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/950608e2886d
branches:  trunk
changeset: 461541:950608e2886d
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Fri Nov 29 20:05:59 2019 +0000

description:
Nix mb_* on powerpc.

diffstat:

 sys/arch/powerpc/include/lock.h  |  20 +-------------------
 sys/arch/powerpc/include/mutex.h |   6 +++---
 2 files changed, 4 insertions(+), 22 deletions(-)

diffs (52 lines):

diff -r 6b4d28562990 -r 950608e2886d sys/arch/powerpc/include/lock.h
--- a/sys/arch/powerpc/include/lock.h   Fri Nov 29 20:05:49 2019 +0000
+++ b/sys/arch/powerpc/include/lock.h   Fri Nov 29 20:05:59 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lock.h,v 1.13 2017/09/17 00:01:08 christos Exp $       */
+/*     $NetBSD: lock.h,v 1.14 2019/11/29 20:05:59 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
@@ -120,22 +120,4 @@
        *alp = __SIMPLELOCK_UNLOCKED;
 }
 
-static __inline void
-mb_read(void)
-{
-       __asm volatile ("isync" ::: "memory");
-}
-
-static __inline void
-mb_write(void)
-{
-       __asm volatile ("sync" ::: "memory");
-}
-
-static __inline void
-mb_memory(void)
-{
-       __asm volatile ("sync" ::: "memory");
-}
-
 #endif /* _POWERPC_LOCK_H_ */
diff -r 6b4d28562990 -r 950608e2886d sys/arch/powerpc/include/mutex.h
--- a/sys/arch/powerpc/include/mutex.h  Fri Nov 29 20:05:49 2019 +0000
+++ b/sys/arch/powerpc/include/mutex.h  Fri Nov 29 20:05:59 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mutex.h,v 1.4 2008/04/28 20:23:32 martin Exp $ */
+/*     $NetBSD: mutex.h,v 1.5 2019/11/29 20:05:59 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2002, 2007 The NetBSD Foundation, Inc.
@@ -61,8 +61,8 @@
 #define        __HAVE_SIMPLE_MUTEXES           1
 #define        __HAVE_MUTEX_STUBS              1
 
-#define        MUTEX_RECEIVE(mtx)              mb_read()
-#define        MUTEX_GIVE(mtx)                 mb_memory()
+#define        MUTEX_RECEIVE(mtx)              __asm __volatile("isync" ::: "memory")
+#define        MUTEX_GIVE(mtx)                 __asm __volatile("sync" ::: "memory")
 
 #define        MUTEX_CAS(p, o, n)              _lock_cas((p), (o), (n))