]> git.hungrycats.org Git - linux/commitdiff
[PATCH] remove sh64 smplock.h
authorAndrew Morton <akpm@osdl.org>
Fri, 17 Sep 2004 05:17:43 +0000 (22:17 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Fri, 17 Sep 2004 05:17:43 +0000 (22:17 -0700)
It is unused and obsolete.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
include/asm-sh64/smplock.h [deleted file]

diff --git a/include/asm-sh64/smplock.h b/include/asm-sh64/smplock.h
deleted file mode 100644 (file)
index ff244b8..0000000
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef __ASM_SH64_SMPLOCK_H
-#define __ASM_SH64_SMPLOCK_H
-
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * include/asm-sh64/smplock.h
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- *
- */
-
-#include <linux/config.h>
-
-#ifndef CONFIG_SMP
-
-#define lock_kernel()                          do { } while(0)
-#define unlock_kernel()                                do { } while(0)
-#define release_kernel_lock(task, cpu, depth)  ((depth) = 1)
-#define reacquire_kernel_lock(task, cpu, depth)        do { } while(0)
-
-#else
-
-#error "We do not support SMP on SH64 yet"
-/*
- * Default SMP lock implementation
- */
-
-#include <linux/interrupt.h>
-#include <asm/spinlock.h>
-
-extern spinlock_t kernel_flag;
-
-/*
- * Getting the big kernel lock.
- *
- * This cannot happen asynchronously,
- * so we only need to worry about other
- * CPU's.
- */
-extern __inline__ void lock_kernel(void)
-{
-       if (!++current->lock_depth)
-               spin_lock(&kernel_flag);
-}
-
-extern __inline__ void unlock_kernel(void)
-{
-       if (--current->lock_depth < 0)
-               spin_unlock(&kernel_flag);
-}
-
-/*
- * Release global kernel lock and global interrupt lock
- */
-#define release_kernel_lock(task, cpu) \
-do { \
-       if (task->lock_depth >= 0) \
-               spin_unlock(&kernel_flag); \
-       release_irqlock(cpu); \
-       __sti(); \
-} while (0)
-
-/*
- * Re-acquire the kernel lock
- */
-#define reacquire_kernel_lock(task) \
-do { \
-       if (task->lock_depth >= 0) \
-               spin_lock(&kernel_flag); \
-} while (0)
-
-#endif /* CONFIG_SMP */
-
-#endif /* __ASM_SH64_SMPLOCK_H */