patch-2.4.10 linux/include/asm-sh/smplock.h

• Lines: 58
• Date: Sat Sep 8 12:29:09 2001
• Orig file: v2.4.9/linux/include/asm-sh/smplock.h
• Orig date: Tue Apr 25 16:53:13 2000

diff -u --recursive --new-file v2.4.9/linux/include/asm-sh/smplock.h linux/include/asm-sh/smplock.h
@@ -17,56 +17,7 @@
 #define reacquire_kernel_lock(task, cpu, depth)	do { } while(0)
 
 #else
-
-#error "We do not support SMP on SH 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)
-
+#error "We do not support SMP on SH"
 #endif /* CONFIG_SMP */
 
 #endif /* __ASM_SH_SMPLOCK_H */