diff options
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r-- | arch/powerpc/include/asm/spinlock.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index a47f827bc5f1..ff0dffb19aea 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -15,6 +15,7 @@ * * (the type definitions are in asm/spinlock_types.h) */ +#include <linux/jump_label.h> #include <linux/irqflags.h> #ifdef CONFIG_PPC64 #include <asm/paca.h> @@ -36,10 +37,12 @@ #endif #ifdef CONFIG_PPC_PSERIES +DECLARE_STATIC_KEY_FALSE(shared_processor); + #define vcpu_is_preempted vcpu_is_preempted static inline bool vcpu_is_preempted(int cpu) { - if (!firmware_has_feature(FW_FEATURE_SPLPAR)) + if (!static_branch_unlikely(&shared_processor)) return false; return !!(be32_to_cpu(lppaca_of(cpu).yield_count) & 1); } |