diff options
Diffstat (limited to 'include/asm-ia64/percpu.h')
| -rw-r--r-- | include/asm-ia64/percpu.h | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h index 0095bcf79848..77f30b664b4e 100644 --- a/include/asm-ia64/percpu.h +++ b/include/asm-ia64/percpu.h @@ -15,38 +15,20 @@ #include <linux/threads.h> +#ifdef CONFIG_SMP + #ifdef HAVE_MODEL_SMALL_ATTRIBUTE # define PER_CPU_ATTRIBUTES __attribute__((__model__ (__small__))) #endif -#define DECLARE_PER_CPU(type, name) \ - extern PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name - -/* - * Pretty much a literal copy of asm-generic/percpu.h, except that percpu_modcopy() is an - * external routine, to avoid include-hell. - */ -#ifdef CONFIG_SMP - -extern unsigned long __per_cpu_offset[NR_CPUS]; -#define per_cpu_offset(x) (__per_cpu_offset[x]) - -/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */ -DECLARE_PER_CPU(unsigned long, local_per_cpu_offset); +#define __my_cpu_offset __ia64_per_cpu_var(local_per_cpu_offset) -#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu])) -#define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset))) -#define __raw_get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset))) - -extern void percpu_modcopy(void *pcpudst, const void *src, unsigned long size); -extern void setup_per_cpu_areas (void); extern void *per_cpu_init(void); #else /* ! SMP */ -#define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) -#define __get_cpu_var(var) per_cpu__##var -#define __raw_get_cpu_var(var) per_cpu__##var +#define PER_CPU_ATTRIBUTES __attribute__((__section__(".data.percpu"))) + #define per_cpu_init() (__phys_per_cpu_start) #endif /* SMP */ @@ -57,7 +39,12 @@ extern void *per_cpu_init(void); * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly * more efficient. */ -#define __ia64_per_cpu_var(var) (per_cpu__##var) +#define __ia64_per_cpu_var(var) per_cpu__##var + +#include <asm-generic/percpu.h> + +/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */ +DECLARE_PER_CPU(unsigned long, local_per_cpu_offset); #endif /* !__ASSEMBLY__ */ |