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Diffstat (limited to 'include/asm-ia64/percpu.h')
-rw-r--r--include/asm-ia64/percpu.h24
1 files changed, 7 insertions, 17 deletions
diff --git a/include/asm-ia64/percpu.h b/include/asm-ia64/percpu.h
index 7ef684220cf7..26404b77f007 100644
--- a/include/asm-ia64/percpu.h
+++ b/include/asm-ia64/percpu.h
@@ -19,29 +19,14 @@
19# define PER_CPU_ATTRIBUTES __attribute__((__model__ (__small__))) 19# define PER_CPU_ATTRIBUTES __attribute__((__model__ (__small__)))
20#endif 20#endif
21 21
22#define DECLARE_PER_CPU(type, name) \
23 extern PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
24
25#ifdef CONFIG_SMP 22#ifdef CONFIG_SMP
26 23
27extern unsigned long __per_cpu_offset[NR_CPUS]; 24#define __my_cpu_offset __ia64_per_cpu_var(local_per_cpu_offset)
28#define per_cpu_offset(x) (__per_cpu_offset[x])
29
30/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
31DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
32
33#define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]))
34#define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset)))
35#define __raw_get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __ia64_per_cpu_var(local_per_cpu_offset)))
36 25
37extern void setup_per_cpu_areas (void);
38extern void *per_cpu_init(void); 26extern void *per_cpu_init(void);
39 27
40#else /* ! SMP */ 28#else /* ! SMP */
41 29
42#define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var))
43#define __get_cpu_var(var) per_cpu__##var
44#define __raw_get_cpu_var(var) per_cpu__##var
45#define per_cpu_init() (__phys_per_cpu_start) 30#define per_cpu_init() (__phys_per_cpu_start)
46 31
47#endif /* SMP */ 32#endif /* SMP */
@@ -52,7 +37,12 @@ extern void *per_cpu_init(void);
52 * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly 37 * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly
53 * more efficient. 38 * more efficient.
54 */ 39 */
55#define __ia64_per_cpu_var(var) (per_cpu__##var) 40#define __ia64_per_cpu_var(var) per_cpu__##var
41
42#include <asm-generic/percpu.h>
43
44/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */
45DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);
56 46
57#endif /* !__ASSEMBLY__ */ 47#endif /* !__ASSEMBLY__ */
58 48