[PATCH v10 04/14] powerpc: implement arch_local_* using the soft_enabled_* wrappers.
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STALE3334d
REVIEWED: 4 (4M)
From: Madhavan Srinivasan <hidden>
Date: 2017-08-20 17:59:16
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
1 review trailer (1 from subsystem maintainers).
Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Madhavan Srinivasan <redacted> --- arch/powerpc/include/asm/hw_irq.h | 32 ++++++++++++++------------------ 1 file changed, 14 insertions(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 3efb0b2ec053..f6064634d278 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h@@ -59,21 +59,7 @@ static inline notrace void soft_enabled_set(unsigned long enable) : "memory"); } -static inline notrace unsigned long soft_enabled_set_return(unsigned long enable) -{ - unsigned long flags, zero; - - asm volatile( - "mr %1,%3; lbz %0,%2(13); stb %1,%2(13)" - : "=r" (flags), "=&r" (zero) - : "i" (offsetof(struct paca_struct, soft_enabled)),\ - "r" (enable) - : "memory"); - - return flags; -} - -static inline unsigned long arch_local_save_flags(void) +static inline notrace unsigned long soft_enabled_return(void) { unsigned long flags;
@@ -85,20 +71,30 @@ static inline unsigned long arch_local_save_flags(void) return flags; } -static inline unsigned long arch_local_irq_disable(void) +static inline notrace unsigned long soft_enabled_set_return(unsigned long enable) { unsigned long flags, zero; asm volatile( - "li %1,%3; lbz %0,%2(13); stb %1,%2(13)" + "mr %1,%3; lbz %0,%2(13); stb %1,%2(13)" : "=r" (flags), "=&r" (zero) : "i" (offsetof(struct paca_struct, soft_enabled)),\ - "i" (IRQ_DISABLED) + "r" (enable) : "memory"); return flags; } +static inline unsigned long arch_local_save_flags(void) +{ + return soft_enabled_return(); +} + +static inline unsigned long arch_local_irq_disable(void) +{ + return soft_enabled_set_return(IRQ_DISABLED); +} + extern void arch_local_irq_restore(unsigned long); static inline void arch_local_irq_enable(void)
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2.7.4