diff options
Diffstat (limited to 'libdde_linux26/contrib/include/asm-generic/percpu.h')
| -rw-r--r-- | libdde_linux26/contrib/include/asm-generic/percpu.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/libdde_linux26/contrib/include/asm-generic/percpu.h b/libdde_linux26/contrib/include/asm-generic/percpu.h deleted file mode 100644 index b0e63c67..00000000 --- a/libdde_linux26/contrib/include/asm-generic/percpu.h +++ /dev/null @@ -1,83 +0,0 @@ -#ifndef _ASM_GENERIC_PERCPU_H_ -#define _ASM_GENERIC_PERCPU_H_ -#include <linux/compiler.h> -#include <linux/threads.h> - -/* - * Determine the real variable name from the name visible in the - * kernel sources. - */ -#define per_cpu_var(var) per_cpu__##var - -#ifdef CONFIG_SMP - -/* - * per_cpu_offset() is the offset that has to be added to a - * percpu variable to get to the instance for a certain processor. - * - * Most arches use the __per_cpu_offset array for those offsets but - * some arches have their own ways of determining the offset (x86_64, s390). - */ -#ifndef __per_cpu_offset -extern unsigned long __per_cpu_offset[NR_CPUS]; - -#define per_cpu_offset(x) (__per_cpu_offset[x]) -#endif - -/* - * Determine the offset for the currently active processor. - * An arch may define __my_cpu_offset to provide a more effective - * means of obtaining the offset to the per cpu variables of the - * current processor. - */ -#ifndef __my_cpu_offset -#define __my_cpu_offset per_cpu_offset(raw_smp_processor_id()) -#endif -#ifdef CONFIG_DEBUG_PREEMPT -#define my_cpu_offset per_cpu_offset(smp_processor_id()) -#else -#define my_cpu_offset __my_cpu_offset -#endif - -/* - * Add a offset to a pointer but keep the pointer as is. - * - * Only S390 provides its own means of moving the pointer. - */ -#ifndef SHIFT_PERCPU_PTR -#define SHIFT_PERCPU_PTR(__p, __offset) RELOC_HIDE((__p), (__offset)) -#endif - -/* - * A percpu variable may point to a discarded regions. The following are - * established ways to produce a usable pointer from the percpu variable - * offset. - */ -#define per_cpu(var, cpu) \ - (*SHIFT_PERCPU_PTR(&per_cpu_var(var), per_cpu_offset(cpu))) -#define __get_cpu_var(var) \ - (*SHIFT_PERCPU_PTR(&per_cpu_var(var), my_cpu_offset)) -#define __raw_get_cpu_var(var) \ - (*SHIFT_PERCPU_PTR(&per_cpu_var(var), __my_cpu_offset)) - - -#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA -extern void setup_per_cpu_areas(void); -#endif - -#else /* ! SMP */ - -#define per_cpu(var, cpu) (*((void)(cpu), &per_cpu_var(var))) -#define __get_cpu_var(var) per_cpu_var(var) -#define __raw_get_cpu_var(var) per_cpu_var(var) - -#endif /* SMP */ - -#ifndef PER_CPU_ATTRIBUTES -#define PER_CPU_ATTRIBUTES -#endif - -#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \ - __typeof__(type) per_cpu_var(name) - -#endif /* _ASM_GENERIC_PERCPU_H_ */ |
