diff options
Diffstat (limited to 'arch/m68k/include/asm/system_mm.h')
| -rw-r--r-- | arch/m68k/include/asm/system_mm.h | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/arch/m68k/include/asm/system_mm.h b/arch/m68k/include/asm/system_mm.h index dbb6515ffd5..47b01f4726b 100644 --- a/arch/m68k/include/asm/system_mm.h +++ b/arch/m68k/include/asm/system_mm.h @@ -3,6 +3,7 @@ #include <linux/linkage.h> #include <linux/kernel.h> +#include <linux/irqflags.h> #include <asm/segment.h> #include <asm/entry.h> @@ -62,30 +63,6 @@ asmlinkage void resume(void); #define smp_wmb() barrier() #define smp_read_barrier_depends() ((void)0) -/* interrupt control.. */ -#if 0 -#define local_irq_enable() asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory") -#else -#include <linux/hardirq.h> -#define local_irq_enable() ({ \ - if (MACH_IS_Q40 || !hardirq_count()) \ - asm volatile ("andiw %0,%%sr": : "i" (ALLOWINT) : "memory"); \ -}) -#endif -#define local_irq_disable() asm volatile ("oriw #0x0700,%%sr": : : "memory") -#define local_save_flags(x) asm volatile ("movew %%sr,%0":"=d" (x) : : "memory") -#define local_irq_restore(x) asm volatile ("movew %0,%%sr": :"d" (x) : "memory") - -static inline int irqs_disabled(void) -{ - unsigned long flags; - local_save_flags(flags); - return flags & ~ALLOWINT; -} - -/* For spinlocks etc */ -#define local_irq_save(x) ({ local_save_flags(x); local_irq_disable(); }) - #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) struct __xchg_dummy { unsigned long a[100]; }; @@ -205,9 +182,7 @@ static inline unsigned long __cmpxchg(volatile void *p, unsigned long old, ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ (unsigned long)(n), sizeof(*(ptr)))) -#ifndef CONFIG_SMP #include <asm-generic/cmpxchg.h> -#endif #endif |