Move common mutex implementations to a MI place.

Archs not yet converted can to the jump by defining __USE_MI_MUTEX.

ok visa@

1 files changed, 2 insertions, 84 deletions

diff --git a/sys/arch/alpha/include/mutex.h b/sys/arch/alpha/include/mutex.h
index 20078d4b7f7..b5b66f12fb0 100644
--- a/sys/arch/alpha/include/mutex.h
+++ b/sys/arch/alpha/include/mutex.h
@@ -1,85 +1,3 @@
-/*	$OpenBSD: mutex.h,v 1.10 2018/01/13 15:18:11 mpi Exp $	*/
+/*	$OpenBSD: mutex.h,v 1.11 2018/01/25 15:06:29 mpi Exp $	*/
 
-/*
- * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- *
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef _MACHINE_MUTEX_H_
-#define _MACHINE_MUTEX_H_
-
-#include <sys/_lock.h>
-
-struct mutex {
-	volatile void *mtx_owner;
-	int mtx_wantipl;
-	int mtx_oldipl;
-#ifdef WITNESS
-	struct lock_object mtx_lock_obj;
-#endif
-};
-
-/*
- * To prevent lock ordering problems with the kernel lock, we need to
- * make sure we block all interrupts that can grab the kernel lock.
- * The simplest way to achieve this is to make sure mutexes always
- * raise the interrupt priority level to the highest level that has
- * interrupts that grab the kernel lock.
- */
-#ifdef MULTIPROCESSOR
-#define __MUTEX_IPL(ipl) \
-    (((ipl) > IPL_NONE && (ipl) < IPL_MPFLOOR) ? IPL_MPFLOOR : (ipl))
-#else
-#define __MUTEX_IPL(ipl) (ipl)
-#endif
-
-#ifdef WITNESS
-#define MUTEX_INITIALIZER_FLAGS(ipl, name, flags) \
-	{ NULL, __MUTEX_IPL((ipl)), IPL_NONE, MTX_LO_INITIALIZER(name, flags) }
-#else
-#define MUTEX_INITIALIZER_FLAGS(ipl, name, flags) \
-	{ NULL, __MUTEX_IPL((ipl)), IPL_NONE }
-#endif
-
-void __mtx_init(struct mutex *, int);
-#define _mtx_init(mtx, ipl) __mtx_init((mtx), __MUTEX_IPL((ipl)))
-
-#ifdef DIAGNOSTIC
-#define MUTEX_ASSERT_LOCKED(mtx) do {					\
-	if ((mtx)->mtx_owner != curcpu())				\
-		panic("mutex %p not held in %s", (mtx), __func__);	\
-} while (0)
-
-#define MUTEX_ASSERT_UNLOCKED(mtx) do {					\
-	if ((mtx)->mtx_owner == curcpu())				\
-		panic("mutex %p held in %s", (mtx), __func__);		\
-} while (0)
-#else
-#define MUTEX_ASSERT_LOCKED(mtx) do { } while (0)
-#define MUTEX_ASSERT_UNLOCKED(mtx) do { } while (0)
-#endif
-
-#define MUTEX_LOCK_OBJECT(mtx)	(&(mtx)->mtx_lock_obj)
-#define MUTEX_OLDIPL(mtx)	(mtx)->mtx_oldipl
-
-#endif	/* _MACHINE_MUTEX_H_ */
+#define __USE_MI_MUTEX