These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / alpha / include / asm / spinlock.h

diff --git a/kernel/arch/alpha/include/asm/spinlock.h b/kernel/arch/alpha/include/asm/spinlock.h
index 37b570d..fed9c6f 100644 (file)
--- a/kernel/arch/alpha/include/asm/spinlock.h
+++ b/kernel/arch/alpha/include/asm/spinlock.h
@@ -16,6 +16,11 @@
 #define arch_spin_unlock_wait(x) \
                do { cpu_relax(); } while ((x)->lock)
 
+static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
+{
+        return lock.lock == 0;
+}
+
 static inline void arch_spin_unlock(arch_spinlock_t * lock)
 {
        mb();