At present, hard_irq_disable() does nothing because of this code in
include/linux/interrupt.h:
#ifndef hard_irq_disable
#define hard_irq_disable() do { } while(0)
#endif
So we need to make our hard_irq_disable() be a macro.
Signed-off-by: Paul Mackerras <pau...@samba.org>
---
arch/powerpc/include/asm/hw_irq.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/hw_irq.h
b/arch/powerpc/include/asm/hw_irq.h
index c9aac24..d8f873f 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -93,12 +93,13 @@ static inline bool arch_irqs_disabled(void)
#define __hard_irq_disable() __mtmsrd(local_paca->kernel_msr, 1)
#endif
-static inline void hard_irq_disable(void)
+static inline void _hard_irq_disable(void)
{
__hard_irq_disable();
get_paca()->soft_enabled = 0;
get_paca()->irq_happened |= PACA_IRQ_HARD_DIS;
}
+#define hard_irq_disable() _hard_irq_disable()
/*
* This is called by asynchronous interrupts to conditionally
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