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Diffstat (limited to 'include/linux/spinlock_api_smp.h')
-rw-r--r--include/linux/spinlock_api_smp.h16
1 files changed, 5 insertions, 11 deletions
diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index 19a9be9d97ee..9ecb0ab504e3 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -1,8 +1,8 @@
#ifndef __LINUX_SPINLOCK_API_SMP_H
#define __LINUX_SPINLOCK_API_SMP_H
-#ifndef __LINUX_SPINLOCK_H
-# error "please don't include this file directly"
+#ifndef __LINUX_INSIDE_SPINLOCK_H
+# error "Please do not include this file directly."
#endif
/*
@@ -108,16 +108,7 @@ static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock)
local_irq_save(flags);
preempt_disable();
spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
- /*
- * On lockdep we dont want the hand-coded irq-enable of
- * do_raw_spin_lock_flags() code, because lockdep assumes
- * that interrupts are not re-enabled during lock-acquire:
- */
-#ifdef CONFIG_LOCKDEP
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
-#else
- do_raw_spin_lock_flags(lock, &flags);
-#endif
return flags;
}
@@ -187,6 +178,9 @@ static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock)
return 0;
}
+/* PREEMPT_RT has its own rwlock implementation */
+#ifndef CONFIG_PREEMPT_RT
#include <linux/rwlock_api_smp.h>
+#endif
#endif /* __LINUX_SPINLOCK_API_SMP_H */