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Diffstat (limited to 'libdde_linux26/include/linux/percpu.h')
-rw-r--r--libdde_linux26/include/linux/percpu.h120
1 files changed, 0 insertions, 120 deletions
diff --git a/libdde_linux26/include/linux/percpu.h b/libdde_linux26/include/linux/percpu.h
deleted file mode 100644
index 6995e4b8..00000000
--- a/libdde_linux26/include/linux/percpu.h
+++ /dev/null
@@ -1,120 +0,0 @@
-#ifndef __LINUX_PERCPU_H
-#define __LINUX_PERCPU_H
-
-#include <linux/preempt.h>
-#include <linux/slab.h> /* For kmalloc() */
-#include <linux/smp.h>
-#include <linux/cpumask.h>
-
-#include <asm/percpu.h>
-
-#ifdef CONFIG_SMP
-#define DEFINE_PER_CPU(type, name) \
- __attribute__((__section__(".data.percpu"))) \
- PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
-
-#ifdef MODULE
-#define SHARED_ALIGNED_SECTION ".data.percpu"
-#else
-#define SHARED_ALIGNED_SECTION ".data.percpu.shared_aligned"
-#endif
-
-#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \
- __attribute__((__section__(SHARED_ALIGNED_SECTION))) \
- PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name \
- ____cacheline_aligned_in_smp
-
-#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \
- __attribute__((__section__(".data.percpu.page_aligned"))) \
- PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
-#else
-#define DEFINE_PER_CPU(type, name) \
- PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
-
-#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \
- DEFINE_PER_CPU(type, name)
-
-#define DEFINE_PER_CPU_PAGE_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
-#define PERCPU_MODULE_RESERVE 8192
-#else
-#define PERCPU_MODULE_RESERVE 0
-#endif
-
-#define PERCPU_ENOUGH_ROOM \
- (__per_cpu_end - __per_cpu_start + PERCPU_MODULE_RESERVE)
-#endif /* PERCPU_ENOUGH_ROOM */
-
-/*
- * Must be an lvalue. Since @var must be a simple identifier,
- * we force a syntax error here if it isn't.
- */
-#define get_cpu_var(var) (*({ \
- extern int simple_identifier_##var(void); \
- preempt_disable(); \
- &__get_cpu_var(var); }))
-#define put_cpu_var(var) preempt_enable()
-
-/* DDE defines CONFIG_SMP, because our "processors" are multiple L4/DDEKit-Threads
- * running in parallel. They need synchronization stuff. However, we don't
- * need per-cpu variables & co. which are defined below.
- */
-#if defined(CONFIG_SMP) && !defined(DDE_LINUX)
-
-struct percpu_data {
- void *ptrs[1];
-};
-
-#define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)
-/*
- * Use this to get to a cpu's version of the per-cpu object dynamically
- * allocated. Non-atomic access to the current CPU's version should
- * probably be combined with get_cpu()/put_cpu().
- */
-#define percpu_ptr(ptr, cpu) \
-({ \
- struct percpu_data *__p = __percpu_disguise(ptr); \
- (__typeof__(ptr))__p->ptrs[(cpu)]; \
-})
-
-extern void *__percpu_alloc_mask(size_t size, gfp_t gfp, cpumask_t *mask);
-extern void percpu_free(void *__pdata);
-
-#else /* !CONFIG_SMP || DDE_LINUX */
-
-#define percpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
-
-static __always_inline void *__percpu_alloc_mask(size_t size, gfp_t gfp, cpumask_t *mask)
-{
- return kzalloc(size, gfp);
-}
-
-static inline void percpu_free(void *__pdata)
-{
- kfree(__pdata);
-}
-
-#endif /* CONFIG_SMP */
-
-#define percpu_alloc_mask(size, gfp, mask) \
- __percpu_alloc_mask((size), (gfp), &(mask))
-
-#define percpu_alloc(size, gfp) percpu_alloc_mask((size), (gfp), cpu_online_map)
-
-/* (legacy) interface for use without CPU hotplug handling */
-
-#define __alloc_percpu(size) percpu_alloc_mask((size), GFP_KERNEL, \
- cpu_possible_map)
-#define alloc_percpu(type) (type *)__alloc_percpu(sizeof(type))
-#define free_percpu(ptr) percpu_free((ptr))
-#define per_cpu_ptr(ptr, cpu) percpu_ptr((ptr), (cpu))
-
-#endif /* __LINUX_PERCPU_H */