[PATCH] remove sh64 smplock.h

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

-#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 */