From f034347470e486835ccdcd7a5bb2ceb417be11c4 Mon Sep 17 00:00:00 2001 From: "travis@sgi.com" Date: Wed, 30 Jan 2008 23:27:58 +0100 Subject: [PATCH] s390: use generic percpu linux-2.6.git Change s390 percpu.h to use asm-generic/percpu.h Signed-off-by: Mike Travis Acked-by: Martin Schwidefsky Signed-off-by: Ingo Molnar --- include/asm-s390/percpu.h | 33 +++++++++------------------------ 1 file changed, 9 insertions(+), 24 deletions(-) diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h index 465d313ba2..408d60b4f7 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 #endif /* __ARCH_S390_PERCPU__ */ -- 2.39.5