diff options
Diffstat (limited to 'include/asm-parisc/processor.h')
| -rw-r--r-- | include/asm-parisc/processor.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-parisc/processor.h b/include/asm-parisc/processor.h index c72b8fa4968..4313618c98e 100644 --- a/include/asm-parisc/processor.h +++ b/include/asm-parisc/processor.h @@ -332,6 +332,19 @@ extern unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() +/* Used as a macro to identify the combined VIPT/PIPT cached + * CPUs which require a guarantee of coherency (no inequivalent + * aliases with different data, whether clean or not) to operate */ +static inline int parisc_requires_coherency(void) +{ +#ifdef CONFIG_PA8X00 + /* FIXME: also pa8900 - when we see one */ + return boot_cpu_data.cpu_type == mako; +#else + return 0; +#endif +} + #endif /* __ASSEMBLY__ */ #endif /* __ASM_PARISC_PROCESSOR_H */ |