--- include/asm-generic/percpu.h | 24 +----------------------- include/asm-ia64/percpu.h | 27 --------------------------- include/asm-powerpc/percpu.h | 21 --------------------- include/asm-s390/percpu.h | 21 --------------------- include/asm-sparc64/percpu.h | 19 ------------------- include/asm-x86/percpu_32.h | 13 ------------- include/asm-x86/percpu_64.h | 15 --------------- include/linux/percpu.h | 17 +++++++++++++++++ 8 files changed, 18 insertions(+), 139 deletions(-) Index: linux-2.6/include/asm-generic/percpu.h =================================================================== --- linux-2.6.orig/include/asm-generic/percpu.h 2007-11-22 15:50:32.021455019 -0800 +++ linux-2.6/include/asm-generic/percpu.h 2007-11-22 15:51:41.993454916 -0800 @@ -10,39 +10,17 @@ extern unsigned long __per_cpu_offset[NR #define per_cpu_offset(x) (__per_cpu_offset[x]) -/* 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 DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp - /* var is in discarded region: offset to particular copy we want */ -#define per_cpu(var, cpu) (*({ \ - extern int simple_identifier_##var(void); \ - RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]); })) +#define per_cpu(var, cpu) *RELOC_HIDE(&per_cpu__##var, __per_cpu_offset[cpu]) #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) #else /* ! SMP */ -#define DEFINE_PER_CPU(type, name) \ - __typeof__(type) per_cpu__##name - -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - DEFINE_PER_CPU(type, name) - #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var #define __raw_get_cpu_var(var) per_cpu__##var #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 /* _ASM_GENERIC_PERCPU_H_ */ Index: linux-2.6/include/asm-ia64/percpu.h =================================================================== --- linux-2.6.orig/include/asm-ia64/percpu.h 2007-11-22 15:50:32.025455172 -0800 +++ linux-2.6/include/asm-ia64/percpu.h 2007-11-22 15:52:08.098756596 -0800 @@ -15,30 +15,6 @@ #include -#ifdef HAVE_MODEL_SMALL_ATTRIBUTE -# define __SMALL_ADDR_AREA __attribute__((__model__ (__small__))) -#else -# define __SMALL_ADDR_AREA -#endif - -#define DECLARE_PER_CPU(type, name) \ - extern __SMALL_ADDR_AREA __typeof__(type) per_cpu__##name - -/* Separate out the type, so (int[3], foo) works. */ -#define DEFINE_PER_CPU(type, name) \ - __attribute__((__section__(".data.percpu"))) \ - __SMALL_ADDR_AREA __typeof__(type) per_cpu__##name - -#ifdef CONFIG_SMP -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __SMALL_ADDR_AREA __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp -#else -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - DEFINE_PER_CPU(type, name) -#endif - #ifdef CONFIG_SMP extern unsigned long __per_cpu_offset[NR_CPUS]; @@ -63,9 +39,6 @@ extern void *per_cpu_init(void); #endif /* SMP */ -#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) -#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) - /* * Be extremely careful when taking the address of this variable! Due to virtual * remapping, it is different from the canonical address returned by __get_cpu_var(var)! Index: linux-2.6/include/asm-powerpc/percpu.h =================================================================== --- linux-2.6.orig/include/asm-powerpc/percpu.h 2007-11-22 15:50:32.041454846 -0800 +++ linux-2.6/include/asm-powerpc/percpu.h 2007-11-22 15:51:41.993454916 -0800 @@ -16,15 +16,6 @@ #define __my_cpu_offset() get_paca()->data_offset #define per_cpu_offset(x) (__per_cpu_offset(x)) -/* 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 DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp - /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu))) #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __my_cpu_offset())) @@ -34,24 +25,12 @@ extern void setup_per_cpu_areas(void); #else /* ! SMP */ -#define DEFINE_PER_CPU(type, name) \ - __typeof__(type) per_cpu__##name -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - DEFINE_PER_CPU(type, name) - #define per_cpu(var, cpu) (*((void)(cpu), &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var #define __raw_get_cpu_var(var) per_cpu__##var #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) - #else #include #endif - #endif /* _ASM_POWERPC_PERCPU_H_ */ Index: linux-2.6/include/asm-s390/percpu.h =================================================================== --- linux-2.6.orig/include/asm-s390/percpu.h 2007-11-22 15:50:32.049455017 -0800 +++ linux-2.6/include/asm-s390/percpu.h 2007-11-22 15:51:41.993454916 -0800 @@ -36,16 +36,6 @@ 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 DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp - #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]) @@ -53,20 +43,9 @@ extern unsigned long __per_cpu_offset[NR #else /* ! SMP */ -#define DEFINE_PER_CPU(type, name) \ - __typeof__(type) per_cpu__##name -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - DEFINE_PER_CPU(type, name) - #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 - -#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__ */ Index: linux-2.6/include/asm-x86/percpu_32.h =================================================================== --- linux-2.6.orig/include/asm-x86/percpu_32.h 2007-11-22 15:50:32.053455305 -0800 +++ linux-2.6/include/asm-x86/percpu_32.h 2007-11-22 15:51:41.993454916 -0800 @@ -49,16 +49,6 @@ extern unsigned long __per_cpu_offset[]; #define per_cpu_offset(x) (__per_cpu_offset[x]) -/* Separate out the type, so (int[3], foo) works. */ -#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name -#define DEFINE_PER_CPU(type, name) \ - __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name - -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp - /* We can use this directly for local CPU (faster). */ DECLARE_PER_CPU(unsigned long, this_cpu_off); @@ -74,9 +64,6 @@ DECLARE_PER_CPU(unsigned long, this_cpu_ #define __get_cpu_var(var) __raw_get_cpu_var(var) -#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) -#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) - /* fs segment starts at (positive) offset == __per_cpu_offset[cpu] */ #define __percpu_seg "%%fs:" #else /* !SMP */ Index: linux-2.6/include/asm-x86/percpu_64.h =================================================================== --- linux-2.6.orig/include/asm-x86/percpu_64.h 2007-11-22 15:50:32.061454811 -0800 +++ linux-2.6/include/asm-x86/percpu_64.h 2007-11-22 15:51:41.993454916 -0800 @@ -16,15 +16,6 @@ #define per_cpu_offset(x) (__per_cpu_offset(x)) -/* 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 DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_internodealigned_in_smp - /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*({ \ extern int simple_identifier_##var(void); \ @@ -50,10 +41,4 @@ extern void setup_per_cpu_areas(void); #define __raw_get_cpu_var(var) per_cpu__##var #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 /* _ASM_X8664_PERCPU_H_ */ Index: linux-2.6/include/linux/percpu.h =================================================================== --- linux-2.6.orig/include/linux/percpu.h 2007-11-22 15:50:32.069454879 -0800 +++ linux-2.6/include/linux/percpu.h 2007-11-22 15:53:27.168954719 -0800 @@ -9,6 +9,23 @@ #include +#define DEFINE_PER_CPU(type, name) \ + __attribute__((__section__(".data.percpu"))) \ + __typeof__(type) per_cpu__##name + +#ifdef CONFIG_SMP +#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ + __attribute__((__section__(".data.percpu.shared_aligned"))) \ + __typeof__(type) per_cpu__##name \ + ____cacheline_aligned_in_smp +#else +#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ + DEFINE_PER_CPU(type, name) +#endif + +#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) +#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) + /* Enough to cover all DEFINE_PER_CPUs in kernel, including modules. */ #ifndef PERCPU_ENOUGH_ROOM #ifdef CONFIG_MODULES Index: linux-2.6/include/asm-sparc64/percpu.h =================================================================== --- linux-2.6.orig/include/asm-sparc64/percpu.h 2007-11-22 15:50:32.085455061 -0800 +++ linux-2.6/include/asm-sparc64/percpu.h 2007-11-22 15:51:41.993454916 -0800 @@ -16,15 +16,6 @@ extern unsigned long __per_cpu_shift; (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) #define per_cpu_offset(x) (__per_cpu_offset(x)) -/* 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 DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - __attribute__((__section__(".data.percpu.shared_aligned"))) \ - __typeof__(type) per_cpu__##name \ - ____cacheline_aligned_in_smp - /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*RELOC_HIDE(&per_cpu__##var, __per_cpu_offset(cpu))) #define __get_cpu_var(var) (*RELOC_HIDE(&per_cpu__##var, __local_per_cpu_offset)) @@ -33,20 +24,10 @@ extern unsigned long __per_cpu_shift; #else /* ! SMP */ #define real_setup_per_cpu_areas() do { } while (0) -#define DEFINE_PER_CPU(type, name) \ - __typeof__(type) per_cpu__##name -#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \ - DEFINE_PER_CPU(type, name) #define per_cpu(var, cpu) (*((void)cpu, &per_cpu__##var)) #define __get_cpu_var(var) per_cpu__##var #define __raw_get_cpu_var(var) per_cpu__##var #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_SPARC64_PERCPU__ */