diff options
Diffstat (limited to 'arch/sparc/include/asm/percpu_64.h')
-rw-r--r-- | arch/sparc/include/asm/percpu_64.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/percpu_64.h b/arch/sparc/include/asm/percpu_64.h new file mode 100644 index 00000000000..bee64593023 --- /dev/null +++ b/arch/sparc/include/asm/percpu_64.h | |||
@@ -0,0 +1,28 @@ | |||
1 | #ifndef __ARCH_SPARC64_PERCPU__ | ||
2 | #define __ARCH_SPARC64_PERCPU__ | ||
3 | |||
4 | #include <linux/compiler.h> | ||
5 | |||
6 | register unsigned long __local_per_cpu_offset asm("g5"); | ||
7 | |||
8 | #ifdef CONFIG_SMP | ||
9 | |||
10 | extern void real_setup_per_cpu_areas(void); | ||
11 | |||
12 | extern unsigned long __per_cpu_base; | ||
13 | extern unsigned long __per_cpu_shift; | ||
14 | #define __per_cpu_offset(__cpu) \ | ||
15 | (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) | ||
16 | #define per_cpu_offset(x) (__per_cpu_offset(x)) | ||
17 | |||
18 | #define __my_cpu_offset __local_per_cpu_offset | ||
19 | |||
20 | #else /* ! SMP */ | ||
21 | |||
22 | #define real_setup_per_cpu_areas() do { } while (0) | ||
23 | |||
24 | #endif /* SMP */ | ||
25 | |||
26 | #include <asm-generic/percpu.h> | ||
27 | |||
28 | #endif /* __ARCH_SPARC64_PERCPU__ */ | ||