diff options
| -rw-r--r-- | arch/um/include/asm/irqflags.h | 38 | ||||
| -rw-r--r-- | arch/um/include/asm/system-um.h | 45 | ||||
| -rw-r--r-- | arch/x86/um/asm/system.h | 4 |
3 files changed, 40 insertions, 47 deletions
diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h index 659b9ab..c780d8a 100644 --- a/arch/um/include/asm/irqflags.h +++ b/arch/um/include/asm/irqflags.h @@ -1,6 +1,42 @@ #ifndef __UM_IRQFLAGS_H #define __UM_IRQFLAGS_H -/* Empty for now */ +extern int get_signals(void); +extern int set_signals(int enable); +extern void block_signals(void); +extern void unblock_signals(void); + +static inline unsigned long arch_local_save_flags(void) +{ + return get_signals(); +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + set_signals(flags); +} + +static inline void arch_local_irq_enable(void) +{ + unblock_signals(); +} + +static inline void arch_local_irq_disable(void) +{ + block_signals(); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_local_save_flags() == 0; +} #endif diff --git a/arch/um/include/asm/system-um.h b/arch/um/include/asm/system-um.h deleted file mode 100644 index 0eec245..0000000 --- a/arch/um/include/asm/system-um.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef __UM_SYSTEM_GENERIC_H -#define __UM_SYSTEM_GENERIC_H - -extern int get_signals(void); -extern int set_signals(int enable); -extern void block_signals(void); -extern void unblock_signals(void); - -static inline unsigned long arch_local_save_flags(void) -{ - return get_signals(); -} - -static inline void arch_local_irq_restore(unsigned long flags) -{ - set_signals(flags); -} - -static inline void arch_local_irq_enable(void) -{ - unblock_signals(); -} - -static inline void arch_local_irq_disable(void) -{ - block_signals(); -} - -static inline unsigned long arch_local_irq_save(void) -{ - unsigned long flags; - flags = arch_local_save_flags(); - arch_local_irq_disable(); - return flags; -} - -static inline bool arch_irqs_disabled(void) -{ - return arch_local_save_flags() == 0; -} - -extern void *_switch_to(void *prev, void *next, void *last); -#define switch_to(prev, next, last) prev = _switch_to(prev, next, last) - -#endif diff --git a/arch/x86/um/asm/system.h b/arch/x86/um/asm/system.h index a89113b..a459fd9 100644 --- a/arch/x86/um/asm/system.h +++ b/arch/x86/um/asm/system.h @@ -6,7 +6,6 @@ #include <asm/cpufeature.h> #include <asm/cmpxchg.h> #include <asm/nops.h> -#include <asm/system-um.h> #include <linux/kernel.h> #include <linux/irqflags.h> @@ -130,4 +129,7 @@ static inline void rdtsc_barrier(void) alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); } +extern void *_switch_to(void *prev, void *next, void *last); +#define switch_to(prev, next, last) prev = _switch_to(prev, next, last) + #endif |
