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>

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__ */