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powerpc/64: Move set_soft_enabled() and rename

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Move set_soft_enabled() from powerpc/kernel/irq.c to asm/hw_irq.c, to
encourage updates to paca->soft_enabled done via these access
function. Add "memory" clobber to hint compiler since
paca->soft_enabled memory is the target here.

Renaming it as soft_enabled_set() will make namespaces works better as
prefix than a postfix when new soft_enabled manipulation functions are
introduced.

Reviewed-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 09:25:45 +05:30
committed by Michael Ellerman
parent b5c1bd62c0
commit 0b63acf4a0
5 changed files with 25 additions and 21 deletions
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2
arch/powerpc/include/asm/kvm_ppc.h
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@@ -873,7 +873,7 @@ static inline void kvmppc_fix_ee_before_entry(void)
/* Only need to enable IRQs by hard enabling them after this */
local_paca->irq_happened = 0;
local_paca->soft_enabled = IRQS_ENABLED;
soft_enabled_set(IRQS_ENABLED);
#endif
}