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#include <typedefs.h>
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#include <typedefs.h>
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#include <preemption.h>
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#include <preemption.h>
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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struct spinlock {
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struct spinlock {
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#ifdef CONFIG_DEBUG_SPINLOCK
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    char *name;
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#endif
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    int val;
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    int val;
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};
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};
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extern void spinlock_initialize(spinlock_t *sl);
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extern void spinlock_initialize(spinlock_t *sl, char *name);
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extern void spinlock_lock(spinlock_t *sl);
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extern void spinlock_lock(spinlock_t *sl);
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extern int spinlock_trylock(spinlock_t *sl);
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extern int spinlock_trylock(spinlock_t *sl);
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extern void spinlock_unlock(spinlock_t *sl);
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extern void spinlock_unlock(spinlock_t *sl);
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#else
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#else