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Diffstat (limited to 'include/asm-s390/percpu.h')
-rw-r--r--include/asm-s390/percpu.h70
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
deleted file mode 100644
index 123fcaca295..00000000000
--- a/include/asm-s390/percpu.h
+++ /dev/null
@@ -1,70 +0,0 @@
-#ifndef __ARCH_S390_PERCPU__
-#define __ARCH_S390_PERCPU__
-
-#include <linux/compiler.h>
-#include <asm/lowcore.h>
-
-#define __GENERIC_PER_CPU
-
-/*
- * s390 uses its own implementation for per cpu data, the offset of
- * the cpu local data area is cached in the cpu's lowcore memory.
- * For 64 bit module code s390 forces the use of a GOT slot for the
- * address of the per cpu variable. This is needed because the module
- * may be more than 4G above the per cpu area.
- */
-#if defined(__s390x__) && defined(MODULE)
-
-#define __reloc_hide(var,offset) \
- (*({ unsigned long *__ptr; \
- asm ( "larl %0,per_cpu__"#var"@GOTENT" \
- : "=a" (__ptr) : "X" (per_cpu__##var) ); \
- (typeof(&per_cpu__##var))((*__ptr) + (offset)); }))
-
-#else
-
-#define __reloc_hide(var, offset) \
- (*({ unsigned long __ptr; \
- asm ( "" : "=a" (__ptr) : "0" (&per_cpu__##var) ); \
- (typeof(&per_cpu__##var)) (__ptr + (offset)); }))
-
-#endif
-
-#ifdef CONFIG_SMP
-
-extern unsigned long __per_cpu_offset[NR_CPUS];
-
-/* Separate out the type, so (int[3], foo) works. */
-#define DEFINE_PER_CPU(type, name) \
- __attribute__((__section__(".data.percpu"))) \
- __typeof__(type) per_cpu__##name
-
-#define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
-#define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu])
-
-/* A macro to avoid #include hell... */
-#define percpu_modcopy(pcpudst, src, size) \
-do { \
- unsigned int __i; \
- for (__i = 0; __i < NR_CPUS; __i++) \
- if (cpu_possible(__i)) \
- memcpy((pcpudst)+__per_cpu_offset[__i], \
- (src), (size)); \
-} while (0)
-
-#else /* ! SMP */
-
-#define DEFINE_PER_CPU(type, name) \
- __typeof__(type) per_cpu__##name
-
-#define __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
-
-#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
-#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
-
-#endif /* __ARCH_S390_PERCPU__ */