diff -ruNp linux-2.6.22-rt1.orig/include/asm-generic/percpu.h linux-2.6.22-rt1.test/include/asm-generic/percpu.h --- linux-2.6.22-rt1.orig/include/asm-generic/percpu.h 2007-07-12 09:13:08.000000000 +0200 +++ linux-2.6.22-rt1.test/include/asm-generic/percpu.h 2007-07-12 09:04:53.000000000 +0200 @@ -14,10 +14,6 @@ extern unsigned long __per_cpu_offset[NR #define DEFINE_PER_CPU(type, name) \ __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name -#define DEFINE_PER_CPU_LOCKED(type, name) \ - __attribute__((__section__(".data.percpu"))) __DEFINE_SPINLOCK(per_cpu_lock__##name##_locked); \ - __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name##_locked - /* var is in discarded region: offset to particular copy we want */ #define per_cpu(var, cpu) (*({ \ extern int simple_identifier_##var(void); \ @@ -25,15 +21,6 @@ extern unsigned long __per_cpu_offset[NR #define __get_cpu_var(var) per_cpu(var, smp_processor_id()) #define __raw_get_cpu_var(var) per_cpu(var, raw_smp_processor_id()) -#define per_cpu_lock(var, cpu) \ - (*RELOC_HIDE(&per_cpu_lock__##var##_locked, __per_cpu_offset[cpu])) -#define per_cpu_var_locked(var, cpu) \ - (*RELOC_HIDE(&per_cpu__##var##_locked, __per_cpu_offset[cpu])) -#define __get_cpu_lock(var, cpu) \ - per_cpu_lock(var, cpu) -#define __get_cpu_var_locked(var, cpu) \ - per_cpu_var_locked(var, cpu) - /* A macro to avoid #include hell... */ #define percpu_modcopy(pcpudst, src, size) \ do { \ @@ -60,13 +47,8 @@ do { \ #endif /* SMP */ #define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu__##name -#define DECLARE_PER_CPU_LOCKED(type, name) \ - extern spinlock_t per_cpu_lock__##name##_locked; \ - extern __typeof__(type) per_cpu__##name##_locked #define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var) #define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var) -#define EXPORT_PER_CPU_LOCKED_SYMBOL(var) EXPORT_SYMBOL(per_cpu_lock__##var##_locked); EXPORT_SYMBOL(per_cpu__##var##_locked) -#define EXPORT_PER_CPU_LOCKED_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu_lock__##var##_locked); EXPORT_SYMBOL_GPL(per_cpu__##var##_locked) #endif /* _ASM_GENERIC_PERCPU_H_ */ diff -ruNp linux-2.6.22-rt1.orig/include/asm-i386/percpu.h linux-2.6.22-rt1.test/include/asm-i386/percpu.h --- linux-2.6.22-rt1.orig/include/asm-i386/percpu.h 2007-07-12 09:13:32.000000000 +0200 +++ linux-2.6.22-rt1.test/include/asm-i386/percpu.h 2007-07-12 09:05:12.000000000 +0200 @@ -54,6 +54,10 @@ extern unsigned long __per_cpu_offset[]; #define DEFINE_PER_CPU(type, name) \ __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name +#define DEFINE_PER_CPU_LOCKED(type, name) \ + __attribute__((__section__(".data.percpu"))) __DEFINE_SPINLOCK(per_cpu_lock__##name##_locked); \ + __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name##_locked + /* We can use this directly for local CPU (faster). */ DECLARE_PER_CPU(unsigned long, this_cpu_off); @@ -69,6 +73,15 @@ DECLARE_PER_CPU(unsigned long, this_cpu_ #define __get_cpu_var(var) __raw_get_cpu_var(var) +#define per_cpu_lock(var, cpu) \ + (*RELOC_HIDE(&per_cpu_lock__##var##_locked, __per_cpu_offset[cpu])) +#define per_cpu_var_locked(var, cpu) \ + (*RELOC_HIDE(&per_cpu__##var##_locked, __per_cpu_offset[cpu])) +#define __get_cpu_lock(var, cpu) \ + per_cpu_lock(var, cpu) +#define __get_cpu_var_locked(var, cpu) \ + per_cpu_var_locked(var, cpu) + /* A macro to avoid #include hell... */ #define percpu_modcopy(pcpudst, src, size) \ do { \ @@ -144,6 +157,14 @@ extern void __bad_percpu_size(void); #define x86_add_percpu(var,val) percpu_to_op("add", per_cpu__##var, val) #define x86_sub_percpu(var,val) percpu_to_op("sub", per_cpu__##var, val) #define x86_or_percpu(var,val) percpu_to_op("or", per_cpu__##var, val) + +#define DECLARE_PER_CPU_LOCKED(type, name) \ + extern spinlock_t per_cpu_lock__##name##_locked; \ + extern __typeof__(type) per_cpu__##name##_locked + +#define EXPORT_PER_CPU_LOCKED_SYMBOL(var) EXPORT_SYMBOL(per_cpu_lock__##var##_locked); EXPORT_SYMBOL(per_cpu__##var##_locked) +#define EXPORT_PER_CPU_LOCKED_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu_lock__##var##_locked); EXPORT_SYMBOL_GPL(per_cpu__##var##_locked) + #endif /* !__ASSEMBLY__ */ #endif /* __ARCH_I386_PERCPU__ */