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 @@ +#ifndef __ARCH_SPARC64_PERCPU__ +#define __ARCH_SPARC64_PERCPU__ + +#include <linux/compiler.h> + +register unsigned long __local_per_cpu_offset asm("g5"); + +#ifdef CONFIG_SMP + +extern void real_setup_per_cpu_areas(void); + +extern unsigned long __per_cpu_base; +extern unsigned long __per_cpu_shift; +#define __per_cpu_offset(__cpu) \ + (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) +#define per_cpu_offset(x) (__per_cpu_offset(x)) + +#define __my_cpu_offset __local_per_cpu_offset + +#else /* ! SMP */ + +#define real_setup_per_cpu_areas() do { } while (0) + +#endif /* SMP */ + +#include <asm-generic/percpu.h> + +#endif /* __ARCH_SPARC64_PERCPU__ */ |