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-rw-r--r--include/linux/spinlock.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 79897841a2cc..45310ea1b1d7 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -12,6 +12,8 @@
* asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the
* initializers
*
+ * linux/spinlock_types_raw:
+ * The raw types and initializers
* linux/spinlock_types.h:
* defines the generic type and initializers
*
@@ -31,6 +33,8 @@
* contains the generic, simplified UP spinlock type.
* (which is an empty structure on non-debug builds)
*
+ * linux/spinlock_types_raw:
+ * The raw RT types and initializers
* linux/spinlock_types.h:
* defines the generic type and initializers
*
@@ -308,8 +312,10 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
1 : ({ local_irq_restore(flags); 0; }); \
})
-/* Include rwlock functions */
+#ifndef CONFIG_PREEMPT_RT
+/* Include rwlock functions for !RT */
#include <linux/rwlock.h>
+#endif
/*
* Pull the _spin_*()/_read_*()/_write_*() functions/declarations:
@@ -320,6 +326,9 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
# include <linux/spinlock_api_up.h>
#endif
+/* Non PREEMPT_RT kernel, map to raw spinlocks: */
+#ifndef CONFIG_PREEMPT_RT
+
/*
* Map the spin_lock functions to the raw variants for PREEMPT_RT=n
*/
@@ -454,6 +463,10 @@ static __always_inline int spin_is_contended(spinlock_t *lock)
#define assert_spin_locked(lock) assert_raw_spin_locked(&(lock)->rlock)
+#else /* !CONFIG_PREEMPT_RT */
+# include <linux/spinlock_rt.h>
+#endif /* CONFIG_PREEMPT_RT */
+
/*
* Pull the atomic_t declaration:
* (asm-mips/atomic.h needs above definitions)