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Revert "spinlock: insert return address into spinlock"

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This reverts commit 3420125d6d.
This commit is contained in:
Matheus
2025-12-29 08:34:11 -03:00
parent 3420125d6d
commit e1fcac33de
1 changed files with 4 additions and 7 deletions
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kernel-src/include/spinlock.h
+4 -7
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@@ -4,22 +4,19 @@
#include <stdbool.h>
#include <kernel/interrupt.h>
typedef uintptr_t spinlock_t;
typedef int spinlock_t;
#define SPINLOCK_INIT_VALUE 0
#define SPINLOCK_INIT(x) x = SPINLOCK_INIT_VALUE
#define SPINLOCK_DEFINE(x) spinlock_t x = SPINLOCK_INIT_VALUE
static inline bool spinlock_try(spinlock_t *lock) {
spinlock_t expected = SPINLOCK_INIT_VALUE;
return __atomic_compare_exchange_n(lock, &expected, (uintptr_t)__builtin_return_address(0), false, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED);
return __sync_bool_compare_and_swap(lock, 0, 1);
}
static inline void spinlock_acquire(spinlock_t *lock) {
spinlock_t expected = SPINLOCK_INIT_VALUE;
while (!__atomic_compare_exchange_n(lock, &expected, (uintptr_t)__builtin_return_address(0), false, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)) {
while (!__sync_bool_compare_and_swap(lock, 0, 1)) {
while (*lock) asm volatile ("pause" : : : "memory");
expected = SPINLOCK_INIT_VALUE;
}
}
@@ -30,7 +27,7 @@ static inline bool spinlock_acquire_irq_clear(spinlock_t *lock) {
}
static inline void spinlock_release(spinlock_t *lock) {
__atomic_store_n(lock, 0, __ATOMIC_RELEASE);
*lock = 0;
}
static inline void spinlock_release_irq_restore(spinlock_t *lock, bool irqstate) {