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author | Pekka Enberg <penberg@kernel.org> | 2010-10-24 18:57:05 +0200 |
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committer | Pekka Enberg <penberg@kernel.org> | 2010-10-24 18:57:05 +0200 |
commit | 6d4121f6c20a0e86231d52f535f1c82423b3326f (patch) | |
tree | 5c235cac699ca86b504850aa663ddadde0455a61 /arch/parisc/include/asm/irqflags.h | |
parent | SLUB: Fix memory hotplug with !NUMA (diff) | |
parent | Merge branch 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-block (diff) | |
download | linux-6d4121f6c20a0e86231d52f535f1c82423b3326f.tar.xz linux-6d4121f6c20a0e86231d52f535f1c82423b3326f.zip |
Merge branch 'master' into for-linus
Conflicts:
include/linux/percpu.h
mm/percpu.c
Diffstat (limited to 'arch/parisc/include/asm/irqflags.h')
-rw-r--r-- | arch/parisc/include/asm/irqflags.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/irqflags.h b/arch/parisc/include/asm/irqflags.h new file mode 100644 index 000000000000..34f9cb9b4754 --- /dev/null +++ b/arch/parisc/include/asm/irqflags.h @@ -0,0 +1,46 @@ +#ifndef __PARISC_IRQFLAGS_H +#define __PARISC_IRQFLAGS_H + +#include <linux/types.h> +#include <asm/psw.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("ssm 0, %0" : "=r" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ssm %0,%%r0\n" : : "i" (PSW_I) : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + asm volatile("rsm %1,%0" : "=r" (flags) : "i" (PSW_I) : "memory"); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("mtsm %0" : : "r" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & PSW_I) == 0; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __PARISC_IRQFLAGS_H */ |