diff options
Diffstat (limited to 'include/asm-s390/percpu.h')
| -rw-r--r-- | include/asm-s390/percpu.h | 42 |
1 files changed, 9 insertions, 33 deletions
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h index 2d676a873858..408d60b4f75b 100644 --- a/include/asm-s390/percpu.h +++ b/include/asm-s390/percpu.h @@ -13,49 +13,25 @@ */ #if defined(__s390x__) && defined(MODULE) -#define __reloc_hide(var,offset) (*({ \ +#define SHIFT_PERCPU_PTR(ptr,offset) (({ \ extern int simple_identifier_##var(void); \ unsigned long *__ptr; \ - asm ( "larl %0,per_cpu__"#var"@GOTENT" \ - : "=a" (__ptr) : "X" (per_cpu__##var) ); \ - (typeof(&per_cpu__##var))((*__ptr) + (offset)); })) + asm ( "larl %0, %1@GOTENT" \ + : "=a" (__ptr) : "X" (ptr) ); \ + (typeof(ptr))((*__ptr) + (offset)); })) #else -#define __reloc_hide(var, offset) (*({ \ +#define SHIFT_PERCPU_PTR(ptr, offset) (({ \ extern int simple_identifier_##var(void); \ unsigned long __ptr; \ - asm ( "" : "=a" (__ptr) : "0" (&per_cpu__##var) ); \ - (typeof(&per_cpu__##var)) (__ptr + (offset)); })) + asm ( "" : "=a" (__ptr) : "0" (ptr) ); \ + (typeof(ptr)) (__ptr + (offset)); })) #endif -#ifdef CONFIG_SMP +#define __my_cpu_offset S390_lowcore.percpu_offset -extern unsigned long __per_cpu_offset[NR_CPUS]; - -#define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset) -#define __raw_get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset) -#define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu]) -#define per_cpu_offset(x) (__per_cpu_offset[x]) - -/* A macro to avoid #include hell... */ -#define percpu_modcopy(pcpudst, src, size) \ -do { \ - unsigned int __i; \ - for_each_possible_cpu(__i) \ - memcpy((pcpudst)+__per_cpu_offset[__i], \ - (src), (size)); \ -} while (0) - -#else /* ! SMP */ - -#define __get_cpu_var(var) __reloc_hide(var,0) -#define __raw_get_cpu_var(var) __reloc_hide(var,0) -#define per_cpu(var,cpu) __reloc_hide(var,0) - -#endif /* SMP */ - -#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name +#include <asm-generic/percpu.h> #endif /* __ARCH_S390_PERCPU__ */ |