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powerpc/64: Cleanup hard_irq_disable() macro 

Minor cleanup to use helper function for manipulating
paca->soft_enabled variable.

Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Madhavan Srinivasan 2017-12-20 09:25:48 +05:30 committed by Michael Ellerman
parent a67c543aac
commit acb396d7c2
1 changed files with 3 additions and 4 deletions
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7
arch/powerpc/include/asm/hw_irq.h
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@ -131,12 +131,11 @@ static inline bool arch_irqs_disabled(void)
#endif
#define hard_irq_disable() do { \
u8 _was_enabled; \
unsigned long flags; \
__hard_irq_disable(); \
_was_enabled = local_paca->soft_enabled; \
local_paca->soft_enabled = IRQS_DISABLED;\
flags = soft_enabled_set_return(IRQS_DISABLED); \
local_paca->irq_happened |= PACA_IRQ_HARD_DIS; \
if (_was_enabled == IRQS_ENABLED) \
if (!arch_irqs_disabled_flags(flags)) \
trace_hardirqs_off(); \
} while(0)