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@@ -8,7 +8,7 @@
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#include <sbi/riscv_barrier.h>
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#include <sbi/riscv_locks.h>
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-static inline int spin_lock_unlocked(spinlock_t lock)
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+static inline bool spin_lock_unlocked(spinlock_t lock)
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{
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return lock.owner == lock.next;
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}
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@@ -19,7 +19,7 @@ bool spin_lock_check(spinlock_t *lock)
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return !spin_lock_unlocked(*lock);
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}
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-int spin_trylock(spinlock_t *lock)
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+bool spin_trylock(spinlock_t *lock)
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{
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unsigned long inc = 1u << TICKET_SHIFT;
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unsigned long mask = 0xffffu << TICKET_SHIFT;
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@@ -42,7 +42,7 @@ int spin_trylock(spinlock_t *lock)
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: "r"(inc), "r"(mask), "I"(TICKET_SHIFT)
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: "memory");
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- return !l0;
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+ return l0 == 0;
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}
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void spin_lock(spinlock_t *lock)
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