summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/asm-generic/percpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/percpu.h')
-rw-r--r--ANDROID_3.4.5/include/asm-generic/percpu.h125
1 files changed, 0 insertions, 125 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/percpu.h b/ANDROID_3.4.5/include/asm-generic/percpu.h
deleted file mode 100644
index d17784ea..00000000
--- a/ANDROID_3.4.5/include/asm-generic/percpu.h
+++ /dev/null
@@ -1,125 +0,0 @@
-#ifndef _ASM_GENERIC_PERCPU_H_
-#define _ASM_GENERIC_PERCPU_H_
-
-#include <linux/compiler.h>
-#include <linux/threads.h>
-#include <linux/percpu-defs.h>
-
-#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
-/* Weird cast keeps both GCC and sparse happy. */
-#define SHIFT_PERCPU_PTR(__p, __offset) ({ \
- __verify_pcpu_ptr((__p)); \
- RELOC_HIDE((typeof(*(__p)) __kernel __force *)(__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(&(var), per_cpu_offset(cpu)))
-
-#ifndef __this_cpu_ptr
-#define __this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
-#endif
-#ifdef CONFIG_DEBUG_PREEMPT
-#define this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, my_cpu_offset)
-#else
-#define this_cpu_ptr(ptr) __this_cpu_ptr(ptr)
-#endif
-
-#define __get_cpu_var(var) (*this_cpu_ptr(&(var)))
-#define __raw_get_cpu_var(var) (*__this_cpu_ptr(&(var)))
-
-#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
-extern void setup_per_cpu_areas(void);
-#endif
-
-#else /* ! SMP */
-
-#define VERIFY_PERCPU_PTR(__p) ({ \
- __verify_pcpu_ptr((__p)); \
- (typeof(*(__p)) __kernel __force *)(__p); \
-})
-
-#define per_cpu(var, cpu) (*((void)(cpu), VERIFY_PERCPU_PTR(&(var))))
-#define __get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
-#define __raw_get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var)))
-#define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
-#define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
-
-#endif /* SMP */
-
-#ifndef PER_CPU_BASE_SECTION
-#ifdef CONFIG_SMP
-#define PER_CPU_BASE_SECTION ".data..percpu"
-#else
-#define PER_CPU_BASE_SECTION ".data"
-#endif
-#endif
-
-#ifdef CONFIG_SMP
-
-#ifdef MODULE
-#define PER_CPU_SHARED_ALIGNED_SECTION ""
-#define PER_CPU_ALIGNED_SECTION ""
-#else
-#define PER_CPU_SHARED_ALIGNED_SECTION "..shared_aligned"
-#define PER_CPU_ALIGNED_SECTION "..shared_aligned"
-#endif
-#define PER_CPU_FIRST_SECTION "..first"
-
-#else
-
-#define PER_CPU_SHARED_ALIGNED_SECTION ""
-#define PER_CPU_ALIGNED_SECTION "..shared_aligned"
-#define PER_CPU_FIRST_SECTION ""
-
-#endif
-
-#ifndef PER_CPU_ATTRIBUTES
-#define PER_CPU_ATTRIBUTES
-#endif
-
-#ifndef PER_CPU_DEF_ATTRIBUTES
-#define PER_CPU_DEF_ATTRIBUTES
-#endif
-
-#endif /* _ASM_GENERIC_PERCPU_H_ */