diff options
Diffstat (limited to 'kern/spinlock.h')
| -rw-r--r-- | kern/spinlock.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kern/spinlock.h b/kern/spinlock.h index 9e369eef..eeff5281 100644 --- a/kern/spinlock.h +++ b/kern/spinlock.h @@ -113,10 +113,11 @@ spinlock_lock(struct spinlock *lock) /* * Unlock a spin lock. * - * The spin lock must be locked, and must have been locked on the same - * processor it is unlocked on. + * The spin lock must be locked, and must have been locked by the calling + * thread. * - * This operation synchronizes with subsequent lock operations. + * This operation synchronizes with subsequent lock operations on the same + * spin lock. */ static inline void spinlock_unlock(struct spinlock *lock) @@ -180,12 +181,13 @@ spinlock_lock_intr_save(struct spinlock *lock, unsigned long *flags) /* * Unlock a spin lock. * - * The spin lock must be locked, and must have been locked on the same - * processor it is unlocked on. + * The spin lock must be locked, and must have been locked by the calling + * thread. * * The CPU flags, obtained from a locking operation, are restored. * - * This operation synchronizes with subsequent lock operations. + * This operation synchronizes with subsequent lock operations on the same + * spin lock. */ static inline void spinlock_unlock_intr_restore(struct spinlock *lock, unsigned long flags) |