fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc / irqflags.h
blobdb398fb328263051be401e0e0aabb97fcdf2a77f
1 /*
2 * include/asm-sparc/irqflags.h
4 * IRQ flags handling
6 * This file gets included from lowlevel asm headers too, to provide
7 * wrapped versions of the local_irq_*() APIs, based on the
8 * raw_local_irq_*() functions from the lowlevel headers.
9 */
10 #ifndef _ASM_IRQFLAGS_H
11 #define _ASM_IRQFLAGS_H
13 #ifndef __ASSEMBLY__
15 extern void raw_local_irq_restore(unsigned long);
16 extern unsigned long __raw_local_irq_save(void);
17 extern void raw_local_irq_enable(void);
19 static inline unsigned long getipl(void)
21 unsigned long retval;
23 __asm__ __volatile__("rd %%psr, %0" : "=r" (retval));
24 return retval;
27 #define raw_local_save_flags(flags) ((flags) = getipl())
28 #define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save())
29 #define raw_local_irq_disable() ((void) __raw_local_irq_save())
30 #define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0)
32 static inline int raw_irqs_disabled_flags(unsigned long flags)
34 return ((flags & PSR_PIL) != 0);
37 #endif /* (__ASSEMBLY__) */
39 #endif /* !(_ASM_IRQFLAGS_H) */