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Commit f0343474 authored by travis@sgi.com's avatar travis@sgi.com Committed by Ingo Molnar
Browse files

s390: use generic percpu linux-2.6.git 



Change s390 percpu.h to use asm-generic/percpu.h

Signed-off-by: default avatarMike Travis <travis@sgi.com>
Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 56f90205

include/asm-s390/percpu.h

+9 −24
Original line number Diff line number Diff line
@@ -13,40 +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])



#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__ */