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authortravis@sgi.com <travis@sgi.com>2008-01-30 23:27:58 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 23:27:58 +0100
commitf034347470e486835ccdcd7a5bb2ceb417be11c4 (patch)
treec08f1a19477910e6d2efd8b4f7a7c16cf679a546 /include/asm-s390
parentPOWERPC: use generic per cpu (diff)
downloadlinux-f034347470e486835ccdcd7a5bb2ceb417be11c4.tar.xz
linux-f034347470e486835ccdcd7a5bb2ceb417be11c4.zip
s390: use generic percpu linux-2.6.git
Change s390 percpu.h to use asm-generic/percpu.h Signed-off-by: Mike Travis <travis@sgi.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/percpu.h33
1 files changed, 9 insertions, 24 deletions
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
index 465d313ba2dc..408d60b4f75b 100644
--- a/include/asm-s390/percpu.h
+++ b/include/asm-s390/percpu.h
@@ -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__ */