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spinlock: optimize the implementation of rspinlock in a single-core

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Add CONFIG_SPINLOCK conditional compilation to optimize rspinlock functions
for systems without spinlock support. Provide simple macro implementations
that bypass recursive lock logic when spinlock is not configured.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5
2025-07-14 17:20:56 +08:00
committed by GUIDINGLI
parent bb69f77164
commit 4c43efafa5
1 changed files with 13 additions and 0 deletions
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include/nuttx/spinlock.h
+13
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@@ -548,6 +548,7 @@ irqstate_t spin_lock_irqsave_nopreempt(FAR volatile spinlock_t *lock)
* *
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_SPINLOCK
static inline_function static inline_function
void rspin_lock(FAR rspinlock_t *lock) void rspin_lock(FAR rspinlock_t *lock)
{ {
@@ -583,6 +584,9 @@ irqstate_t rspin_lock_irqsave(FAR rspinlock_t *lock)
return flags; return flags;
} }
#else
# define rspin_lock_irqsave(l) ((void)(l), up_irq_save())
#endif
static inline_function static inline_function
irqstate_t rspin_lock_irqsave_nopreempt(FAR rspinlock_t *lock) irqstate_t rspin_lock_irqsave_nopreempt(FAR rspinlock_t *lock)
@@ -786,6 +790,7 @@ void spin_unlock_irqrestore_nopreempt(FAR volatile spinlock_t *lock,
* *
****************************************************************************/ ****************************************************************************/
#ifdef CONFIG_SPINLOCK
static inline_function static inline_function
bool rspin_unlock(FAR rspinlock_t *lock) bool rspin_unlock(FAR rspinlock_t *lock)
{ {
@@ -811,6 +816,9 @@ void rspin_unlock_irqrestore(FAR rspinlock_t *lock, irqstate_t flags)
/* If not last rspinlock restore, up_irq_restore should not required */ /* If not last rspinlock restore, up_irq_restore should not required */
} }
#else
# define rspin_unlock_irqrestore(l, f) ((void)(l), up_irq_restore(f))
#endif
static inline_function static inline_function
void rspin_unlock_irqrestore_nopreempt(FAR rspinlock_t *lock, void rspin_unlock_irqrestore_nopreempt(FAR rspinlock_t *lock,
@@ -820,6 +828,7 @@ void rspin_unlock_irqrestore_nopreempt(FAR rspinlock_t *lock,
sched_unlock(); sched_unlock();
} }
#ifdef CONFIG_SPINLOCK
static inline_function static inline_function
uint16_t rspin_breaklock(FAR rspinlock_t *lock) uint16_t rspin_breaklock(FAR rspinlock_t *lock)
{ {
@@ -837,6 +846,10 @@ void rspin_restorelock(FAR rspinlock_t *lock, uint16_t count)
rspin_lock(lock); rspin_lock(lock);
lock->count = count; lock->count = count;
} }
#else
# define rspin_breaklock(lock) (0)
# define rspin_restorelock(lock, count)
#endif
#if defined(CONFIG_RW_SPINLOCK) #if defined(CONFIG_RW_SPINLOCK)