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Diffstat (limited to 'include/asm-x86/percpu_64.h')
-rw-r--r--include/asm-x86/percpu_64.h23
1 files changed, 2 insertions, 21 deletions
diff --git a/include/asm-x86/percpu_64.h b/include/asm-x86/percpu_64.h
index 24fe7075248d..e7f3f6d21759 100644
--- a/include/asm-x86/percpu_64.h
+++ b/include/asm-x86/percpu_64.h
@@ -12,21 +12,10 @@
12#include <asm/pda.h> 12#include <asm/pda.h>
13 13
14#define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset) 14#define __per_cpu_offset(cpu) (cpu_pda(cpu)->data_offset)
15#define __my_cpu_offset() read_pda(data_offset) 15#define __my_cpu_offset read_pda(data_offset)
16 16
17#define per_cpu_offset(x) (__per_cpu_offset(x)) 17#define per_cpu_offset(x) (__per_cpu_offset(x))
18 18
19/* var is in discarded region: offset to particular copy we want */
20#define per_cpu(var, cpu) (*({ \
21 extern int simple_identifier_##var(void); \
22 RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu)); }))
23#define __get_cpu_var(var) (*({ \
24 extern int simple_identifier_##var(void); \
25 RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); }))
26#define __raw_get_cpu_var(var) (*({ \
27 extern int simple_identifier_##var(void); \
28 RELOC_HIDE(&per_cpu__##var, __my_cpu_offset()); }))
29
30/* A macro to avoid #include hell... */ 19/* A macro to avoid #include hell... */
31#define percpu_modcopy(pcpudst, src, size) \ 20#define percpu_modcopy(pcpudst, src, size) \
32do { \ 21do { \
@@ -36,16 +25,8 @@ do { \
36 (src), (size)); \ 25 (src), (size)); \
37} while (0) 26} while (0)
38 27
39extern void setup_per_cpu_areas(void);
40
41#else /* ! SMP */
42
43#define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var))
44#define __get_cpu_var(var) per_cpu__##var
45#define __raw_get_cpu_var(var) per_cpu__##var
46
47#endif /* SMP */ 28#endif /* SMP */
48 29
49#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name 30#include <asm-generic/percpu.h>
50 31
51#endif /* _ASM_X8664_PERCPU_H_ */ 32#endif /* _ASM_X8664_PERCPU_H_ */