patch-2.1.114 linux/include/linux/smp_lock.h
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- Lines: 62
- Date:
Mon Aug 3 12:38:10 1998
- Orig file:
v2.1.113/linux/include/linux/smp_lock.h
- Orig date:
Mon Aug 3 12:45:47 1998
diff -u --recursive --new-file v2.1.113/linux/include/linux/smp_lock.h linux/include/linux/smp_lock.h
@@ -10,60 +10,7 @@
#else
-#include <linux/interrupt.h>
-#include <asm/spinlock.h>
-
-extern spinlock_t kernel_flag;
-
-/*
- * Release global kernel lock and global interrupt lock
- */
-#define release_kernel_lock(task, cpu) \
-do { \
- if (task->lock_depth) \
- 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) \
- spin_lock(&kernel_flag); \
-} while (0)
-
-
-/*
- * 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)
-{
- struct task_struct *tsk = current;
- int lock_depth;
-
- lock_depth = tsk->lock_depth;
- tsk->lock_depth = lock_depth+1;
- if (!lock_depth)
- spin_lock(&kernel_flag);
-}
-
-extern __inline__ void unlock_kernel(void)
-{
- struct task_struct *tsk = current;
- int lock_depth;
-
- lock_depth = tsk->lock_depth-1;
- tsk->lock_depth = lock_depth;
- if (!lock_depth)
- spin_unlock(&kernel_flag);
-}
+#include <asm/smplock.h>
#endif /* __SMP__ */
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