spinlock.h

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#ifndef __KERNEL_SPINLOCK_H__
#define __KERNEL_SPINLOCK_H__
 
#include <stdint.h>
 
#define spin_lock_irq(lock) \
    do {                    \
        preempt_disable();  \
        spin_lock(lock);    \
    } while (0)
 
#define spin_unlock_irq(lock) \
    do {                      \
        spin_unlock(lock);    \
        preempt_enable();     \
    } while (0)
 
typedef uint32_t spinlock_t;
 
void spin_lock(spinlock_t *lock);
void spin_unlock(spinlock_t *lock);
 
#endif