At present, hard_irq_disable() does nothing on powerpc 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.
Acked-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Signed-off-by: Paul Mackerras <pau...@samba.org>
--
arch/powerpc/include/asm/hw_irq.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/include/asm/hw_irq.h
b/arch/powerpc/include/asm/hw_irq.h
index c9aac24..32b394f 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -100,6 +100,9 @@ static inline void hard_irq_disable(void)
get_paca()->irq_happened |= PACA_IRQ_HARD_DIS;
}
+/* include/linux/interrupt.h needs hard_irq_disable to be a macro */
+#define hard_irq_disable hard_irq_disable
+
/*
* This is called by asynchronous interrupts to conditionally
* re-enable hard interrupts when soft-disabled after having
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