diff options
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/irqflags.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-x86/irqflags.h b/include/asm-x86/irqflags.h index 92021c1ffa3a..0e2292483b35 100644 --- a/include/asm-x86/irqflags.h +++ b/include/asm-x86/irqflags.h @@ -70,6 +70,26 @@ static inline void raw_local_irq_restore(unsigned long flags) native_restore_fl(flags); } +#ifdef CONFIG_X86_VSMP + +/* + * Interrupt control for the VSMP architecture: + */ + +static inline void raw_local_irq_disable(void) +{ + unsigned long flags = __raw_local_save_flags(); + raw_local_irq_restore((flags & ~X86_EFLAGS_IF) | X86_EFLAGS_AC); +} + +static inline void raw_local_irq_enable(void) +{ + unsigned long flags = __raw_local_save_flags(); + raw_local_irq_restore((flags | X86_EFLAGS_IF) & (~X86_EFLAGS_AC)); +} + +#else + static inline void raw_local_irq_disable(void) { native_irq_disable(); @@ -80,6 +100,8 @@ static inline void raw_local_irq_enable(void) native_irq_enable(); } +#endif + /* * Used in the idle loop; sti takes one instruction cycle * to complete: @@ -137,10 +159,17 @@ static inline unsigned long __raw_local_irq_save(void) #define raw_local_irq_save(flags) \ do { (flags) = __raw_local_irq_save(); } while (0) +#ifdef CONFIG_X86_VSMP +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & X86_EFLAGS_IF) || (flags & X86_EFLAGS_AC); +} +#else static inline int raw_irqs_disabled_flags(unsigned long flags) { return !(flags & X86_EFLAGS_IF); } +#endif static inline int raw_irqs_disabled(void) { |