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-rw-r--r--arch/powerpc/include/asm/hw_irq.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 26ede09c521d..3c8cb48f88ae 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -282,7 +282,8 @@ static inline bool pmi_irq_pending(void)
flags = irq_soft_mask_set_return(IRQS_ALL_DISABLED); \
local_paca->irq_happened |= PACA_IRQ_HARD_DIS; \
if (!arch_irqs_disabled_flags(flags)) { \
- WRITE_ONCE(local_paca->saved_r1, current_stack_pointer);\
+ asm volatile("std%X0 %1,%0" : "=m" (local_paca->saved_r1) \
+ : "r" (current_stack_pointer)); \
trace_hardirqs_off(); \
} \
} while(0)