diff options
-rw-r--r-- | arch/mips/include/asm/spinlock.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/paravirt.h | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/spinlock.h | 1 | ||||
-rw-r--r-- | include/linux/spinlock.h | 5 |
4 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 1a1f320c30d8..0884947ebe27 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h | |||
@@ -51,6 +51,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) | |||
51 | 51 | ||
52 | return (((counters >> 14) - counters) & 0x1fff) > 1; | 52 | return (((counters >> 14) - counters) & 0x1fff) > 1; |
53 | } | 53 | } |
54 | #define __raw_spin_is_contended __raw_spin_is_contended | ||
54 | 55 | ||
55 | static inline void __raw_spin_lock(raw_spinlock_t *lock) | 56 | static inline void __raw_spin_lock(raw_spinlock_t *lock) |
56 | { | 57 | { |
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index ba3e2ff6aedc..c09a14127584 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h | |||
@@ -1402,6 +1402,7 @@ static inline int __raw_spin_is_contended(struct raw_spinlock *lock) | |||
1402 | { | 1402 | { |
1403 | return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock); | 1403 | return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock); |
1404 | } | 1404 | } |
1405 | #define __raw_spin_is_contended __raw_spin_is_contended | ||
1405 | 1406 | ||
1406 | static __always_inline void __raw_spin_lock(struct raw_spinlock *lock) | 1407 | static __always_inline void __raw_spin_lock(struct raw_spinlock *lock) |
1407 | { | 1408 | { |
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h index d17c91981da2..8247e94ac6b1 100644 --- a/arch/x86/include/asm/spinlock.h +++ b/arch/x86/include/asm/spinlock.h | |||
@@ -245,6 +245,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) | |||
245 | { | 245 | { |
246 | return __ticket_spin_is_contended(lock); | 246 | return __ticket_spin_is_contended(lock); |
247 | } | 247 | } |
248 | #define __raw_spin_is_contended __raw_spin_is_contended | ||
248 | 249 | ||
249 | static __always_inline void __raw_spin_lock(raw_spinlock_t *lock) | 250 | static __always_inline void __raw_spin_lock(raw_spinlock_t *lock) |
250 | { | 251 | { |
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index e0c0fccced46..a0c66a2e00ad 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h | |||
@@ -124,7 +124,12 @@ do { \ | |||
124 | #ifdef CONFIG_GENERIC_LOCKBREAK | 124 | #ifdef CONFIG_GENERIC_LOCKBREAK |
125 | #define spin_is_contended(lock) ((lock)->break_lock) | 125 | #define spin_is_contended(lock) ((lock)->break_lock) |
126 | #else | 126 | #else |
127 | |||
128 | #ifdef __raw_spin_is_contended | ||
127 | #define spin_is_contended(lock) __raw_spin_is_contended(&(lock)->raw_lock) | 129 | #define spin_is_contended(lock) __raw_spin_is_contended(&(lock)->raw_lock) |
130 | #else | ||
131 | #define spin_is_contended(lock) (((void)(lock), 0)) | ||
132 | #endif /*__raw_spin_is_contended*/ | ||
128 | #endif | 133 | #endif |
129 | 134 | ||
130 | /** | 135 | /** |