Remove the MI implementation of mutexes and remove the __HAVE_MUTEX

option. Every architecture implements mutexes now.

1 files changed, 0 insertions, 84 deletions

diff --git a/sys/kern/subr_mutex.c b/sys/kern/subr_mutex.c
deleted file mode 100644
index 59b213c0ff6..00000000000
--- a/sys/kern/subr_mutex.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*	$OpenBSD: subr_mutex.c,v 1.2 2006/06/04 19:08:03 miod 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. 
- */
-
-#include <sys/param.h>
-#include <sys/mutex.h>
-#include <sys/systm.h>
-
-#ifndef __HAVE_MUTEX
-
-/*
- * Single processor systems don't need any mutexes, but they need the spl
- * raising semantics of the mutexes.
- */
-void
-mtx_init1(struct mutex *mtx, int wantipl)
-{
-	mtx->mtx_oldipl = 0;
-	mtx->mtx_wantipl = wantipl;
-	mtx->mtx_lock = 0;
-}
-
-void
-mtx_enter(struct mutex *mtx)
-{
-#define UGLY(lc, uc)	case MUTEX_IPL_##uc: mtx->mtx_oldipl = spl##lc(); break
-
-	switch (mtx->mtx_wantipl) {
-	UGLY(high, HIGH);
-	UGLY(statclock, STATCLOCK);
-#ifdef IPL_SCHED
-	UGLY(sched, SCHED);
-#endif
-	UGLY(clock, CLOCK);
-	UGLY(vm, VM);
-	UGLY(tty, TTY);
-	UGLY(net, NET);	
-	UGLY(bio, BIO);
-	UGLY(softnet, SOFTNET);
-	UGLY(softclock, SOFTCLOCK);
-	case MUTEX_IPL_NONE:
-		break;
-	default:
-		panic("mtx_enter: ipl not implemented");
-	}
-#undef UGLY
-
-	MUTEX_ASSERT_UNLOCKED(mtx);
-	mtx->mtx_lock = 1;
-}
-
-void
-mtx_leave(struct mutex *mtx)
-{
-	MUTEX_ASSERT_LOCKED(mtx);
-	mtx->mtx_lock = 0;
-	if (mtx->mtx_wantipl != MUTEX_IPL_NONE)
-		splx(mtx->mtx_oldipl);
-}
-
-#endif