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-rw-r--r--arch/powerpc/include/asm/spinlock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index b9ebc3085fb7..72dc4ddc2972 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -56,6 +56,8 @@
#define vcpu_is_preempted vcpu_is_preempted
static inline bool vcpu_is_preempted(int cpu)
{
+ if (!firmware_has_feature(FW_FEATURE_SPLPAR))
+ return false;
return !!(be32_to_cpu(lppaca_of(cpu).yield_count) & 1);
}
#endif