[PATCH] remove duplicated list implementation
Sascha Hauer
s.hauer at pengutronix.de
Tue Nov 3 03:49:44 EST 2009
On Mon, Nov 02, 2009 at 02:36:43PM +0100, Sascha Hauer wrote:
>
> We accidently have two list implementations in the tree:
> include/list.h and include/linux/list.h. This patch moves
> the latter (newer one) to include/linux/list.h.
applied.
Sascha
>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> arch/arm/lib/armlinux.c | 2 +-
> common/command.c | 2 +-
> common/complete.c | 2 +-
> common/console.c | 2 +-
> common/module.c | 2 +-
> include/boot.h | 2 +-
> include/command.h | 2 +-
> include/complete.h | 2 +-
> include/console.h | 2 +-
> include/driver.h | 2 +-
> include/linux/list.h | 427 ++++++++++++++++++++++++++++++---
> include/linux/mtd/mtd.h | 2 +-
> include/list.h | 605 -----------------------------------------------
> include/module.h | 2 +-
> include/stringlist.h | 2 +-
> include/usb/gadget.h | 2 +-
> lib/driver.c | 2 +-
> lib/notifier.c | 2 +-
> 18 files changed, 403 insertions(+), 661 deletions(-)
> delete mode 100644 include/list.h
>
> diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
> index 04dcf49..365a4d2 100644
> --- a/arch/arm/lib/armlinux.c
> +++ b/arch/arm/lib/armlinux.c
> @@ -30,7 +30,7 @@
> #include <zlib.h>
> #include <init.h>
> #include <fs.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <xfuncs.h>
> #include <malloc.h>
> #include <fcntl.h>
> diff --git a/common/command.c b/common/command.c
> index f484520..a46e07e 100644
> --- a/common/command.c
> +++ b/common/command.c
> @@ -30,7 +30,7 @@
> #include <xfuncs.h>
> #include <malloc.h>
> #include <environment.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <init.h>
> #include <complete.h>
> #include <linux/utsrelease.h>
> diff --git a/common/complete.c b/common/complete.c
> index c499e09..87435ee 100644
> --- a/common/complete.c
> +++ b/common/complete.c
> @@ -20,7 +20,7 @@
> #include <common.h>
> #include <complete.h>
> #include <xfuncs.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <malloc.h>
> #include <fs.h>
> #include <linux/stat.h>
> diff --git a/common/console.c b/common/console.c
> index 52d7119..d3d31f7 100644
> --- a/common/console.c
> +++ b/common/console.c
> @@ -34,7 +34,7 @@
> #include <clock.h>
> #include <kfifo.h>
> #include <module.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> LIST_HEAD(console_list);
> EXPORT_SYMBOL(console_list);
> diff --git a/common/module.c b/common/module.c
> index e45c992..302aefa 100644
> --- a/common/module.c
> +++ b/common/module.c
> @@ -26,7 +26,7 @@
> #include <command.h>
> #include <fs.h>
> #include <kallsyms.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> static unsigned int find_sec(Elf_Ehdr *hdr,
> Elf_Shdr *sechdrs,
> diff --git a/include/boot.h b/include/boot.h
> index 2ba918b..623f443 100644
> --- a/include/boot.h
> +++ b/include/boot.h
> @@ -2,7 +2,7 @@
> #define __BOOT_H
>
> #include <image.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> struct image_data {
> struct image_handle *os;
> diff --git a/include/command.h b/include/command.h
> index a72f240..a769d54 100644
> --- a/include/command.h
> +++ b/include/command.h
> @@ -27,7 +27,7 @@
> #ifndef __COMMAND_H
> #define __COMMAND_H
>
> -#include <list.h>
> +#include <linux/list.h>
>
> #ifndef NULL
> #define NULL 0
> diff --git a/include/complete.h b/include/complete.h
> index 26fed65..cc0e88d 100644
> --- a/include/complete.h
> +++ b/include/complete.h
> @@ -1,7 +1,7 @@
> #ifndef __COMPLETE_
> #define __COMPLETE_
>
> -#include <list.h>
> +#include <linux/list.h>
>
> int complete(char *instr, char **outstr);
> void complete_reset(void);
> diff --git a/include/console.h b/include/console.h
> index e632946..3568c56 100644
> --- a/include/console.h
> +++ b/include/console.h
> @@ -25,7 +25,7 @@
> #define _CONSOLE_H_
>
> #include <param.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <driver.h>
>
> #define CONSOLE_STDIN (1 << 0)
> diff --git a/include/driver.h b/include/driver.h
> index 91a3aaa..1dde38e 100644
> --- a/include/driver.h
> +++ b/include/driver.h
> @@ -23,7 +23,7 @@
> #ifndef DRIVER_H
> #define DRIVER_H
>
> -#include <list.h>
> +#include <linux/list.h>
>
> #define MAX_DRIVER_NAME 32
>
> diff --git a/include/linux/list.h b/include/linux/list.h
> index e6492f7..8af1eeb 100644
> --- a/include/linux/list.h
> +++ b/include/linux/list.h
> @@ -1,11 +1,6 @@
> #ifndef _LINUX_LIST_H
> #define _LINUX_LIST_H
>
> -#ifndef ARCH_HAS_PREFETCH
> -#define ARCH_HAS_PREFETCH
> -static inline void prefetch(const void *x) {;}
> -#endif
> -
> /*
> * Simple doubly linked list implementation.
> *
> @@ -16,6 +11,10 @@ static inline void prefetch(const void *x) {;}
> * using the generic single-entry routines.
> */
>
> +#define LIST_POISON1 ((void *) 0x00100100)
> +#define LIST_POISON2 ((void *) 0x00200200)
> +static inline void prefetch(const void *x) {;}
> +
> struct list_head {
> struct list_head *next, *prev;
> };
> @@ -25,9 +24,11 @@ struct list_head {
> #define LIST_HEAD(name) \
> struct list_head name = LIST_HEAD_INIT(name)
>
> -#define INIT_LIST_HEAD(ptr) do { \
> - (ptr)->next = (ptr); (ptr)->prev = (ptr); \
> -} while (0)
> +static inline void INIT_LIST_HEAD(struct list_head *list)
> +{
> + list->next = list;
> + list->prev = list;
> +}
>
> /*
> * Insert a new entry between two known consecutive entries.
> @@ -35,6 +36,7 @@ struct list_head {
> * This is only for internal list manipulation where we know
> * the prev/next entries already!
> */
> +#ifndef CONFIG_DEBUG_LIST
> static inline void __list_add(struct list_head *new,
> struct list_head *prev,
> struct list_head *next)
> @@ -44,6 +46,11 @@ static inline void __list_add(struct list_head *new,
> new->prev = prev;
> prev->next = new;
> }
> +#else
> +extern void __list_add(struct list_head *new,
> + struct list_head *prev,
> + struct list_head *next);
> +#endif
>
> /**
> * list_add - add a new entry
> @@ -53,10 +60,15 @@ static inline void __list_add(struct list_head *new,
> * Insert a new entry after the specified head.
> * This is good for implementing stacks.
> */
> +#ifndef CONFIG_DEBUG_LIST
> static inline void list_add(struct list_head *new, struct list_head *head)
> {
> __list_add(new, head, head->next);
> }
> +#else
> +extern void list_add(struct list_head *new, struct list_head *head);
> +#endif
> +
>
> /**
> * list_add_tail - add a new entry
> @@ -78,7 +90,7 @@ static inline void list_add_tail(struct list_head *new, struct list_head *head)
> * This is only for internal list manipulation where we know
> * the prev/next entries already!
> */
> -static inline void __list_del(struct list_head *prev, struct list_head *next)
> +static inline void __list_del(struct list_head * prev, struct list_head * next)
> {
> next->prev = prev;
> prev->next = next;
> @@ -87,13 +99,41 @@ static inline void __list_del(struct list_head *prev, struct list_head *next)
> /**
> * list_del - deletes entry from list.
> * @entry: the element to delete from the list.
> - * Note: list_empty on entry does not return true after this, the entry is in an undefined state.
> + * Note: list_empty() on entry does not return true after this, the entry is
> + * in an undefined state.
> */
> +#ifndef CONFIG_DEBUG_LIST
> static inline void list_del(struct list_head *entry)
> {
> __list_del(entry->prev, entry->next);
> - entry->next = (void *) 0;
> - entry->prev = (void *) 0;
> + entry->next = LIST_POISON1;
> + entry->prev = LIST_POISON2;
> +}
> +#else
> +extern void list_del(struct list_head *entry);
> +#endif
> +
> +/**
> + * list_replace - replace old entry by new one
> + * @old : the element to be replaced
> + * @new : the new element to insert
> + *
> + * If @old was empty, it will be overwritten.
> + */
> +static inline void list_replace(struct list_head *old,
> + struct list_head *new)
> +{
> + new->next = old->next;
> + new->next->prev = new;
> + new->prev = old->prev;
> + new->prev->next = new;
> +}
> +
> +static inline void list_replace_init(struct list_head *old,
> + struct list_head *new)
> +{
> + list_replace(old, new);
> + INIT_LIST_HEAD(old);
> }
>
> /**
> @@ -130,14 +170,44 @@ static inline void list_move_tail(struct list_head *list,
> }
>
> /**
> + * list_is_last - tests whether @list is the last entry in list @head
> + * @list: the entry to test
> + * @head: the head of the list
> + */
> +static inline int list_is_last(const struct list_head *list,
> + const struct list_head *head)
> +{
> + return list->next == head;
> +}
> +
> +/**
> * list_empty - tests whether a list is empty
> * @head: the list to test.
> */
> -static inline int list_empty(struct list_head *head)
> +static inline int list_empty(const struct list_head *head)
> {
> return head->next == head;
> }
>
> +/**
> + * list_empty_careful - tests whether a list is empty and not being modified
> + * @head: the list to test
> + *
> + * Description:
> + * tests whether a list is empty _and_ checks that no other CPU might be
> + * in the process of modifying either member (next or prev)
> + *
> + * NOTE: using list_empty_careful() without synchronization
> + * can only be safe if the only activity that can happen
> + * to the list entry is list_del_init(). Eg. it cannot be used
> + * if another CPU could re-list_add() it.
> + */
> +static inline int list_empty_careful(const struct list_head *head)
> +{
> + struct list_head *next = head->next;
> + return (next == head) && (next == head->prev);
> +}
> +
> static inline void __list_splice(struct list_head *list,
> struct list_head *head)
> {
> @@ -186,28 +256,53 @@ static inline void list_splice_init(struct list_head *list,
> * @member: the name of the list_struct within the struct.
> */
> #define list_entry(ptr, type, member) \
> - ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
> + container_of(ptr, type, member)
> +
> +/**
> + * list_first_entry - get the first element from a list
> + * @ptr: the list head to take the element from.
> + * @type: the type of the struct this is embedded in.
> + * @member: the name of the list_struct within the struct.
> + *
> + * Note, that list is expected to be not empty.
> + */
> +#define list_first_entry(ptr, type, member) \
> + list_entry((ptr)->next, type, member)
>
> /**
> * list_for_each - iterate over a list
> - * @pos: the &struct list_head to use as a loop counter.
> + * @pos: the &struct list_head to use as a loop cursor.
> * @head: the head for your list.
> */
> #define list_for_each(pos, head) \
> - for (pos = (head)->next, prefetch(pos->next); pos != (head); \
> - pos = pos->next, prefetch(pos->next))
> + for (pos = (head)->next; prefetch(pos->next), pos != (head); \
> + pos = pos->next)
> +
> +/**
> + * __list_for_each - iterate over a list
> + * @pos: the &struct list_head to use as a loop cursor.
> + * @head: the head for your list.
> + *
> + * This variant differs from list_for_each() in that it's the
> + * simplest possible list iteration code, no prefetching is done.
> + * Use this for code that knows the list to be very short (empty
> + * or 1 entry) most of the time.
> + */
> +#define __list_for_each(pos, head) \
> + for (pos = (head)->next; pos != (head); pos = pos->next)
> +
> /**
> * list_for_each_prev - iterate over a list backwards
> - * @pos: the &struct list_head to use as a loop counter.
> + * @pos: the &struct list_head to use as a loop cursor.
> * @head: the head for your list.
> */
> #define list_for_each_prev(pos, head) \
> - for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
> - pos = pos->prev, prefetch(pos->prev))
> + for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
> + pos = pos->prev)
>
> /**
> - * list_for_each_safe - iterate over a list safe against removal of list entry
> - * @pos: the &struct list_head to use as a loop counter.
> + * list_for_each_safe - iterate over a list safe against removal of list entry
> + * @pos: the &struct list_head to use as a loop cursor.
> * @n: another &struct list_head to use as temporary storage
> * @head: the head for your list.
> */
> @@ -217,42 +312,294 @@ static inline void list_splice_init(struct list_head *list,
>
> /**
> * list_for_each_entry - iterate over list of given type
> - * @pos: the type * to use as a loop counter.
> + * @pos: the type * to use as a loop cursor.
> * @head: the head for your list.
> * @member: the name of the list_struct within the struct.
> */
> #define list_for_each_entry(pos, head, member) \
> - for (pos = list_entry((head)->next, typeof(*pos), member), \
> - prefetch(pos->member.next); \
> - &pos->member != (head); \
> - pos = list_entry(pos->member.next, typeof(*pos), member), \
> - prefetch(pos->member.next))
> + for (pos = list_entry((head)->next, typeof(*pos), member); \
> + prefetch(pos->member.next), &pos->member != (head); \
> + pos = list_entry(pos->member.next, typeof(*pos), member))
> +
> +/**
> + * list_for_each_entry_reverse - iterate backwards over list of given type.
> + * @pos: the type * to use as a loop cursor.
> + * @head: the head for your list.
> + * @member: the name of the list_struct within the struct.
> + */
> +#define list_for_each_entry_reverse(pos, head, member) \
> + for (pos = list_entry((head)->prev, typeof(*pos), member); \
> + prefetch(pos->member.prev), &pos->member != (head); \
> + pos = list_entry(pos->member.prev, typeof(*pos), member))
> +
> +/**
> + * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
> + * @pos: the type * to use as a start point
> + * @head: the head of the list
> + * @member: the name of the list_struct within the struct.
> + *
> + * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
> + */
> +#define list_prepare_entry(pos, head, member) \
> + ((pos) ? : list_entry(head, typeof(*pos), member))
> +
> +/**
> + * list_for_each_entry_continue - continue iteration over list of given type
> + * @pos: the type * to use as a loop cursor.
> + * @head: the head for your list.
> + * @member: the name of the list_struct within the struct.
> + *
> + * Continue to iterate over list of given type, continuing after
> + * the current position.
> + */
> +#define list_for_each_entry_continue(pos, head, member) \
> + for (pos = list_entry(pos->member.next, typeof(*pos), member); \
> + prefetch(pos->member.next), &pos->member != (head); \
> + pos = list_entry(pos->member.next, typeof(*pos), member))
> +
> +/**
> + * list_for_each_entry_from - iterate over list of given type from the current point
> + * @pos: the type * to use as a loop cursor.
> + * @head: the head for your list.
> + * @member: the name of the list_struct within the struct.
> + *
> + * Iterate over list of given type, continuing from current position.
> + */
> +#define list_for_each_entry_from(pos, head, member) \
> + for (; prefetch(pos->member.next), &pos->member != (head); \
> + pos = list_entry(pos->member.next, typeof(*pos), member))
>
> /**
> * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
> - * @pos: the type * to use as a loop counter.
> + * @pos: the type * to use as a loop cursor.
> * @n: another type * to use as temporary storage
> * @head: the head for your list.
> * @member: the name of the list_struct within the struct.
> */
> #define list_for_each_entry_safe(pos, n, head, member) \
> for (pos = list_entry((head)->next, typeof(*pos), member), \
> - n = list_entry(pos->member.next, typeof(*pos), member); \
> - &pos->member != (head); \
> + n = list_entry(pos->member.next, typeof(*pos), member); \
> + &pos->member != (head); \
> pos = n, n = list_entry(n->member.next, typeof(*n), member))
>
> /**
> - * list_for_each_entry_continue - iterate over list of given type
> - * continuing after existing point
> - * @pos: the type * to use as a loop counter.
> + * list_for_each_entry_safe_continue
> + * @pos: the type * to use as a loop cursor.
> + * @n: another type * to use as temporary storage
> * @head: the head for your list.
> * @member: the name of the list_struct within the struct.
> + *
> + * Iterate over list of given type, continuing after current point,
> + * safe against removal of list entry.
> + */
> +#define list_for_each_entry_safe_continue(pos, n, head, member) \
> + for (pos = list_entry(pos->member.next, typeof(*pos), member), \
> + n = list_entry(pos->member.next, typeof(*pos), member); \
> + &pos->member != (head); \
> + pos = n, n = list_entry(n->member.next, typeof(*n), member))
> +
> +/**
> + * list_for_each_entry_safe_from
> + * @pos: the type * to use as a loop cursor.
> + * @n: another type * to use as temporary storage
> + * @head: the head for your list.
> + * @member: the name of the list_struct within the struct.
> + *
> + * Iterate over list of given type from current point, safe against
> + * removal of list entry.
> + */
> +#define list_for_each_entry_safe_from(pos, n, head, member) \
> + for (n = list_entry(pos->member.next, typeof(*pos), member); \
> + &pos->member != (head); \
> + pos = n, n = list_entry(n->member.next, typeof(*n), member))
> +
> +/**
> + * list_for_each_entry_safe_reverse
> + * @pos: the type * to use as a loop cursor.
> + * @n: another type * to use as temporary storage
> + * @head: the head for your list.
> + * @member: the name of the list_struct within the struct.
> + *
> + * Iterate backwards over list of given type, safe against removal
> + * of list entry.
> + */
> +#define list_for_each_entry_safe_reverse(pos, n, head, member) \
> + for (pos = list_entry((head)->prev, typeof(*pos), member), \
> + n = list_entry(pos->member.prev, typeof(*pos), member); \
> + &pos->member != (head); \
> + pos = n, n = list_entry(n->member.prev, typeof(*n), member))
> +
> +/**
> + * list_add_sort - add a new entry to a sorted list
> + * @new: new entry to be added
> + * @head: list head to add it in
> + * @compare: Compare function to compare two list entries
> + *
> + * Insert a new entry before the specified head.
> + * This is useful for implementing queues.
> + */
> +static inline void list_add_sort(struct list_head *new, struct list_head *head,
> + int (*compare)(struct list_head *a, struct list_head *b))
> +{
> + struct list_head *pos, *insert = head;
> +
> + list_for_each(pos, head) {
> + if (compare(pos, new) < 0)
> + continue;
> + insert = pos;
> + break;
> + }
> +
> + list_add_tail(new, insert);
> +}
> +
> +/*
> + * Double linked lists with a single pointer list head.
> + * Mostly useful for hash tables where the two pointer list head is
> + * too wasteful.
> + * You lose the ability to access the tail in O(1).
> + */
> +
> +struct hlist_head {
> + struct hlist_node *first;
> +};
> +
> +struct hlist_node {
> + struct hlist_node *next, **pprev;
> +};
> +
> +#define HLIST_HEAD_INIT { .first = NULL }
> +#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
> +#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
> +static inline void INIT_HLIST_NODE(struct hlist_node *h)
> +{
> + h->next = NULL;
> + h->pprev = NULL;
> +}
> +
> +static inline int hlist_unhashed(const struct hlist_node *h)
> +{
> + return !h->pprev;
> +}
> +
> +static inline int hlist_empty(const struct hlist_head *h)
> +{
> + return !h->first;
> +}
> +
> +static inline void __hlist_del(struct hlist_node *n)
> +{
> + struct hlist_node *next = n->next;
> + struct hlist_node **pprev = n->pprev;
> + *pprev = next;
> + if (next)
> + next->pprev = pprev;
> +}
> +
> +static inline void hlist_del(struct hlist_node *n)
> +{
> + __hlist_del(n);
> + n->next = LIST_POISON1;
> + n->pprev = LIST_POISON2;
> +}
> +
> +static inline void hlist_del_init(struct hlist_node *n)
> +{
> + if (!hlist_unhashed(n)) {
> + __hlist_del(n);
> + INIT_HLIST_NODE(n);
> + }
> +}
> +
> +static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
> +{
> + struct hlist_node *first = h->first;
> + n->next = first;
> + if (first)
> + first->pprev = &n->next;
> + h->first = n;
> + n->pprev = &h->first;
> +}
> +
> +/* next must be != NULL */
> +static inline void hlist_add_before(struct hlist_node *n,
> + struct hlist_node *next)
> +{
> + n->pprev = next->pprev;
> + n->next = next;
> + next->pprev = &n->next;
> + *(n->pprev) = n;
> +}
> +
> +static inline void hlist_add_after(struct hlist_node *n,
> + struct hlist_node *next)
> +{
> + next->next = n->next;
> + n->next = next;
> + next->pprev = &n->next;
> +
> + if(next->next)
> + next->next->pprev = &next->next;
> +}
> +
> +#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
> +
> +#define hlist_for_each(pos, head) \
> + for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
> + pos = pos->next)
> +
> +#define hlist_for_each_safe(pos, n, head) \
> + for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
> + pos = n)
> +
> +/**
> + * hlist_for_each_entry - iterate over list of given type
> + * @tpos: the type * to use as a loop cursor.
> + * @pos: the &struct hlist_node to use as a loop cursor.
> + * @head: the head for your list.
> + * @member: the name of the hlist_node within the struct.
> + */
> +#define hlist_for_each_entry(tpos, pos, head, member) \
> + for (pos = (head)->first; \
> + pos && ({ prefetch(pos->next); 1;}) && \
> + ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> + pos = pos->next)
> +
> +/**
> + * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
> + * @tpos: the type * to use as a loop cursor.
> + * @pos: the &struct hlist_node to use as a loop cursor.
> + * @member: the name of the hlist_node within the struct.
> + */
> +#define hlist_for_each_entry_continue(tpos, pos, member) \
> + for (pos = (pos)->next; \
> + pos && ({ prefetch(pos->next); 1;}) && \
> + ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> + pos = pos->next)
> +
> +/**
> + * hlist_for_each_entry_from - iterate over a hlist continuing from current point
> + * @tpos: the type * to use as a loop cursor.
> + * @pos: the &struct hlist_node to use as a loop cursor.
> + * @member: the name of the hlist_node within the struct.
> + */
> +#define hlist_for_each_entry_from(tpos, pos, member) \
> + for (; pos && ({ prefetch(pos->next); 1;}) && \
> + ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> + pos = pos->next)
> +
> +/**
> + * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
> + * @tpos: the type * to use as a loop cursor.
> + * @pos: the &struct hlist_node to use as a loop cursor.
> + * @n: another &struct hlist_node to use as temporary storage
> + * @head: the head for your list.
> + * @member: the name of the hlist_node within the struct.
> */
> -#define list_for_each_entry_continue(pos, head, member) \
> - for (pos = list_entry(pos->member.next, typeof(*pos), member), \
> - prefetch(pos->member.next); \
> - &pos->member != (head); \
> - pos = list_entry(pos->member.next, typeof(*pos), member), \
> - prefetch(pos->member.next))
> +#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
> + for (pos = (head)->first; \
> + pos && ({ n = pos->next; 1; }) && \
> + ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> + pos = n)
>
> #endif
> diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
> index 6a1fcb9..b574778 100644
> --- a/include/linux/mtd/mtd.h
> +++ b/include/linux/mtd/mtd.h
> @@ -11,7 +11,7 @@
>
> #include <driver.h>
> #include <linux/types.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <linux/mtd/mtd-abi.h>
>
> #define MTD_CHAR_MAJOR 90
> diff --git a/include/list.h b/include/list.h
> deleted file mode 100644
> index 1e8bc51..0000000
> --- a/include/list.h
> +++ /dev/null
> @@ -1,605 +0,0 @@
> -#ifndef _LINUX_LIST_H
> -#define _LINUX_LIST_H
> -
> -/*
> - * Simple doubly linked list implementation.
> - *
> - * Some of the internal functions ("__xxx") are useful when
> - * manipulating whole lists rather than single entries, as
> - * sometimes we already know the next/prev entries and we can
> - * generate better code by using them directly rather than
> - * using the generic single-entry routines.
> - */
> -
> -#define LIST_POISON1 ((void *) 0x00100100)
> -#define LIST_POISON2 ((void *) 0x00200200)
> -static inline void prefetch(const void *x) {;}
> -
> -struct list_head {
> - struct list_head *next, *prev;
> -};
> -
> -#define LIST_HEAD_INIT(name) { &(name), &(name) }
> -
> -#define LIST_HEAD(name) \
> - struct list_head name = LIST_HEAD_INIT(name)
> -
> -static inline void INIT_LIST_HEAD(struct list_head *list)
> -{
> - list->next = list;
> - list->prev = list;
> -}
> -
> -/*
> - * Insert a new entry between two known consecutive entries.
> - *
> - * This is only for internal list manipulation where we know
> - * the prev/next entries already!
> - */
> -#ifndef CONFIG_DEBUG_LIST
> -static inline void __list_add(struct list_head *new,
> - struct list_head *prev,
> - struct list_head *next)
> -{
> - next->prev = new;
> - new->next = next;
> - new->prev = prev;
> - prev->next = new;
> -}
> -#else
> -extern void __list_add(struct list_head *new,
> - struct list_head *prev,
> - struct list_head *next);
> -#endif
> -
> -/**
> - * list_add - add a new entry
> - * @new: new entry to be added
> - * @head: list head to add it after
> - *
> - * Insert a new entry after the specified head.
> - * This is good for implementing stacks.
> - */
> -#ifndef CONFIG_DEBUG_LIST
> -static inline void list_add(struct list_head *new, struct list_head *head)
> -{
> - __list_add(new, head, head->next);
> -}
> -#else
> -extern void list_add(struct list_head *new, struct list_head *head);
> -#endif
> -
> -
> -/**
> - * list_add_tail - add a new entry
> - * @new: new entry to be added
> - * @head: list head to add it before
> - *
> - * Insert a new entry before the specified head.
> - * This is useful for implementing queues.
> - */
> -static inline void list_add_tail(struct list_head *new, struct list_head *head)
> -{
> - __list_add(new, head->prev, head);
> -}
> -
> -/*
> - * Delete a list entry by making the prev/next entries
> - * point to each other.
> - *
> - * This is only for internal list manipulation where we know
> - * the prev/next entries already!
> - */
> -static inline void __list_del(struct list_head * prev, struct list_head * next)
> -{
> - next->prev = prev;
> - prev->next = next;
> -}
> -
> -/**
> - * list_del - deletes entry from list.
> - * @entry: the element to delete from the list.
> - * Note: list_empty() on entry does not return true after this, the entry is
> - * in an undefined state.
> - */
> -#ifndef CONFIG_DEBUG_LIST
> -static inline void list_del(struct list_head *entry)
> -{
> - __list_del(entry->prev, entry->next);
> - entry->next = LIST_POISON1;
> - entry->prev = LIST_POISON2;
> -}
> -#else
> -extern void list_del(struct list_head *entry);
> -#endif
> -
> -/**
> - * list_replace - replace old entry by new one
> - * @old : the element to be replaced
> - * @new : the new element to insert
> - *
> - * If @old was empty, it will be overwritten.
> - */
> -static inline void list_replace(struct list_head *old,
> - struct list_head *new)
> -{
> - new->next = old->next;
> - new->next->prev = new;
> - new->prev = old->prev;
> - new->prev->next = new;
> -}
> -
> -static inline void list_replace_init(struct list_head *old,
> - struct list_head *new)
> -{
> - list_replace(old, new);
> - INIT_LIST_HEAD(old);
> -}
> -
> -/**
> - * list_del_init - deletes entry from list and reinitialize it.
> - * @entry: the element to delete from the list.
> - */
> -static inline void list_del_init(struct list_head *entry)
> -{
> - __list_del(entry->prev, entry->next);
> - INIT_LIST_HEAD(entry);
> -}
> -
> -/**
> - * list_move - delete from one list and add as another's head
> - * @list: the entry to move
> - * @head: the head that will precede our entry
> - */
> -static inline void list_move(struct list_head *list, struct list_head *head)
> -{
> - __list_del(list->prev, list->next);
> - list_add(list, head);
> -}
> -
> -/**
> - * list_move_tail - delete from one list and add as another's tail
> - * @list: the entry to move
> - * @head: the head that will follow our entry
> - */
> -static inline void list_move_tail(struct list_head *list,
> - struct list_head *head)
> -{
> - __list_del(list->prev, list->next);
> - list_add_tail(list, head);
> -}
> -
> -/**
> - * list_is_last - tests whether @list is the last entry in list @head
> - * @list: the entry to test
> - * @head: the head of the list
> - */
> -static inline int list_is_last(const struct list_head *list,
> - const struct list_head *head)
> -{
> - return list->next == head;
> -}
> -
> -/**
> - * list_empty - tests whether a list is empty
> - * @head: the list to test.
> - */
> -static inline int list_empty(const struct list_head *head)
> -{
> - return head->next == head;
> -}
> -
> -/**
> - * list_empty_careful - tests whether a list is empty and not being modified
> - * @head: the list to test
> - *
> - * Description:
> - * tests whether a list is empty _and_ checks that no other CPU might be
> - * in the process of modifying either member (next or prev)
> - *
> - * NOTE: using list_empty_careful() without synchronization
> - * can only be safe if the only activity that can happen
> - * to the list entry is list_del_init(). Eg. it cannot be used
> - * if another CPU could re-list_add() it.
> - */
> -static inline int list_empty_careful(const struct list_head *head)
> -{
> - struct list_head *next = head->next;
> - return (next == head) && (next == head->prev);
> -}
> -
> -static inline void __list_splice(struct list_head *list,
> - struct list_head *head)
> -{
> - struct list_head *first = list->next;
> - struct list_head *last = list->prev;
> - struct list_head *at = head->next;
> -
> - first->prev = head;
> - head->next = first;
> -
> - last->next = at;
> - at->prev = last;
> -}
> -
> -/**
> - * list_splice - join two lists
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - */
> -static inline void list_splice(struct list_head *list, struct list_head *head)
> -{
> - if (!list_empty(list))
> - __list_splice(list, head);
> -}
> -
> -/**
> - * list_splice_init - join two lists and reinitialise the emptied list.
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - *
> - * The list at @list is reinitialised
> - */
> -static inline void list_splice_init(struct list_head *list,
> - struct list_head *head)
> -{
> - if (!list_empty(list)) {
> - __list_splice(list, head);
> - INIT_LIST_HEAD(list);
> - }
> -}
> -
> -/**
> - * list_entry - get the struct for this entry
> - * @ptr: the &struct list_head pointer.
> - * @type: the type of the struct this is embedded in.
> - * @member: the name of the list_struct within the struct.
> - */
> -#define list_entry(ptr, type, member) \
> - container_of(ptr, type, member)
> -
> -/**
> - * list_first_entry - get the first element from a list
> - * @ptr: the list head to take the element from.
> - * @type: the type of the struct this is embedded in.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Note, that list is expected to be not empty.
> - */
> -#define list_first_entry(ptr, type, member) \
> - list_entry((ptr)->next, type, member)
> -
> -/**
> - * list_for_each - iterate over a list
> - * @pos: the &struct list_head to use as a loop cursor.
> - * @head: the head for your list.
> - */
> -#define list_for_each(pos, head) \
> - for (pos = (head)->next; prefetch(pos->next), pos != (head); \
> - pos = pos->next)
> -
> -/**
> - * __list_for_each - iterate over a list
> - * @pos: the &struct list_head to use as a loop cursor.
> - * @head: the head for your list.
> - *
> - * This variant differs from list_for_each() in that it's the
> - * simplest possible list iteration code, no prefetching is done.
> - * Use this for code that knows the list to be very short (empty
> - * or 1 entry) most of the time.
> - */
> -#define __list_for_each(pos, head) \
> - for (pos = (head)->next; pos != (head); pos = pos->next)
> -
> -/**
> - * list_for_each_prev - iterate over a list backwards
> - * @pos: the &struct list_head to use as a loop cursor.
> - * @head: the head for your list.
> - */
> -#define list_for_each_prev(pos, head) \
> - for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
> - pos = pos->prev)
> -
> -/**
> - * list_for_each_safe - iterate over a list safe against removal of list entry
> - * @pos: the &struct list_head to use as a loop cursor.
> - * @n: another &struct list_head to use as temporary storage
> - * @head: the head for your list.
> - */
> -#define list_for_each_safe(pos, n, head) \
> - for (pos = (head)->next, n = pos->next; pos != (head); \
> - pos = n, n = pos->next)
> -
> -/**
> - * list_for_each_entry - iterate over list of given type
> - * @pos: the type * to use as a loop cursor.
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - */
> -#define list_for_each_entry(pos, head, member) \
> - for (pos = list_entry((head)->next, typeof(*pos), member); \
> - prefetch(pos->member.next), &pos->member != (head); \
> - pos = list_entry(pos->member.next, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_reverse - iterate backwards over list of given type.
> - * @pos: the type * to use as a loop cursor.
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - */
> -#define list_for_each_entry_reverse(pos, head, member) \
> - for (pos = list_entry((head)->prev, typeof(*pos), member); \
> - prefetch(pos->member.prev), &pos->member != (head); \
> - pos = list_entry(pos->member.prev, typeof(*pos), member))
> -
> -/**
> - * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
> - * @pos: the type * to use as a start point
> - * @head: the head of the list
> - * @member: the name of the list_struct within the struct.
> - *
> - * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
> - */
> -#define list_prepare_entry(pos, head, member) \
> - ((pos) ? : list_entry(head, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_continue - continue iteration over list of given type
> - * @pos: the type * to use as a loop cursor.
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Continue to iterate over list of given type, continuing after
> - * the current position.
> - */
> -#define list_for_each_entry_continue(pos, head, member) \
> - for (pos = list_entry(pos->member.next, typeof(*pos), member); \
> - prefetch(pos->member.next), &pos->member != (head); \
> - pos = list_entry(pos->member.next, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_from - iterate over list of given type from the current point
> - * @pos: the type * to use as a loop cursor.
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Iterate over list of given type, continuing from current position.
> - */
> -#define list_for_each_entry_from(pos, head, member) \
> - for (; prefetch(pos->member.next), &pos->member != (head); \
> - pos = list_entry(pos->member.next, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
> - * @pos: the type * to use as a loop cursor.
> - * @n: another type * to use as temporary storage
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - */
> -#define list_for_each_entry_safe(pos, n, head, member) \
> - for (pos = list_entry((head)->next, typeof(*pos), member), \
> - n = list_entry(pos->member.next, typeof(*pos), member); \
> - &pos->member != (head); \
> - pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_continue
> - * @pos: the type * to use as a loop cursor.
> - * @n: another type * to use as temporary storage
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Iterate over list of given type, continuing after current point,
> - * safe against removal of list entry.
> - */
> -#define list_for_each_entry_safe_continue(pos, n, head, member) \
> - for (pos = list_entry(pos->member.next, typeof(*pos), member), \
> - n = list_entry(pos->member.next, typeof(*pos), member); \
> - &pos->member != (head); \
> - pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_from
> - * @pos: the type * to use as a loop cursor.
> - * @n: another type * to use as temporary storage
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Iterate over list of given type from current point, safe against
> - * removal of list entry.
> - */
> -#define list_for_each_entry_safe_from(pos, n, head, member) \
> - for (n = list_entry(pos->member.next, typeof(*pos), member); \
> - &pos->member != (head); \
> - pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_reverse
> - * @pos: the type * to use as a loop cursor.
> - * @n: another type * to use as temporary storage
> - * @head: the head for your list.
> - * @member: the name of the list_struct within the struct.
> - *
> - * Iterate backwards over list of given type, safe against removal
> - * of list entry.
> - */
> -#define list_for_each_entry_safe_reverse(pos, n, head, member) \
> - for (pos = list_entry((head)->prev, typeof(*pos), member), \
> - n = list_entry(pos->member.prev, typeof(*pos), member); \
> - &pos->member != (head); \
> - pos = n, n = list_entry(n->member.prev, typeof(*n), member))
> -
> -/**
> - * list_add_sort - add a new entry to a sorted list
> - * @new: new entry to be added
> - * @head: list head to add it in
> - * @compare: Compare function to compare two list entries
> - *
> - * Insert a new entry before the specified head.
> - * This is useful for implementing queues.
> - */
> -static inline void list_add_sort(struct list_head *new, struct list_head *head,
> - int (*compare)(struct list_head *a, struct list_head *b))
> -{
> - struct list_head *pos, *insert = head;
> -
> - list_for_each(pos, head) {
> - if (compare(pos, new) < 0)
> - continue;
> - insert = pos;
> - break;
> - }
> -
> - list_add_tail(new, insert);
> -}
> -
> -/*
> - * Double linked lists with a single pointer list head.
> - * Mostly useful for hash tables where the two pointer list head is
> - * too wasteful.
> - * You lose the ability to access the tail in O(1).
> - */
> -
> -struct hlist_head {
> - struct hlist_node *first;
> -};
> -
> -struct hlist_node {
> - struct hlist_node *next, **pprev;
> -};
> -
> -#define HLIST_HEAD_INIT { .first = NULL }
> -#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
> -#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
> -static inline void INIT_HLIST_NODE(struct hlist_node *h)
> -{
> - h->next = NULL;
> - h->pprev = NULL;
> -}
> -
> -static inline int hlist_unhashed(const struct hlist_node *h)
> -{
> - return !h->pprev;
> -}
> -
> -static inline int hlist_empty(const struct hlist_head *h)
> -{
> - return !h->first;
> -}
> -
> -static inline void __hlist_del(struct hlist_node *n)
> -{
> - struct hlist_node *next = n->next;
> - struct hlist_node **pprev = n->pprev;
> - *pprev = next;
> - if (next)
> - next->pprev = pprev;
> -}
> -
> -static inline void hlist_del(struct hlist_node *n)
> -{
> - __hlist_del(n);
> - n->next = LIST_POISON1;
> - n->pprev = LIST_POISON2;
> -}
> -
> -static inline void hlist_del_init(struct hlist_node *n)
> -{
> - if (!hlist_unhashed(n)) {
> - __hlist_del(n);
> - INIT_HLIST_NODE(n);
> - }
> -}
> -
> -static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
> -{
> - struct hlist_node *first = h->first;
> - n->next = first;
> - if (first)
> - first->pprev = &n->next;
> - h->first = n;
> - n->pprev = &h->first;
> -}
> -
> -/* next must be != NULL */
> -static inline void hlist_add_before(struct hlist_node *n,
> - struct hlist_node *next)
> -{
> - n->pprev = next->pprev;
> - n->next = next;
> - next->pprev = &n->next;
> - *(n->pprev) = n;
> -}
> -
> -static inline void hlist_add_after(struct hlist_node *n,
> - struct hlist_node *next)
> -{
> - next->next = n->next;
> - n->next = next;
> - next->pprev = &n->next;
> -
> - if(next->next)
> - next->next->pprev = &next->next;
> -}
> -
> -#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
> -
> -#define hlist_for_each(pos, head) \
> - for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
> - pos = pos->next)
> -
> -#define hlist_for_each_safe(pos, n, head) \
> - for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
> - pos = n)
> -
> -/**
> - * hlist_for_each_entry - iterate over list of given type
> - * @tpos: the type * to use as a loop cursor.
> - * @pos: the &struct hlist_node to use as a loop cursor.
> - * @head: the head for your list.
> - * @member: the name of the hlist_node within the struct.
> - */
> -#define hlist_for_each_entry(tpos, pos, head, member) \
> - for (pos = (head)->first; \
> - pos && ({ prefetch(pos->next); 1;}) && \
> - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> - pos = pos->next)
> -
> -/**
> - * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
> - * @tpos: the type * to use as a loop cursor.
> - * @pos: the &struct hlist_node to use as a loop cursor.
> - * @member: the name of the hlist_node within the struct.
> - */
> -#define hlist_for_each_entry_continue(tpos, pos, member) \
> - for (pos = (pos)->next; \
> - pos && ({ prefetch(pos->next); 1;}) && \
> - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> - pos = pos->next)
> -
> -/**
> - * hlist_for_each_entry_from - iterate over a hlist continuing from current point
> - * @tpos: the type * to use as a loop cursor.
> - * @pos: the &struct hlist_node to use as a loop cursor.
> - * @member: the name of the hlist_node within the struct.
> - */
> -#define hlist_for_each_entry_from(tpos, pos, member) \
> - for (; pos && ({ prefetch(pos->next); 1;}) && \
> - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> - pos = pos->next)
> -
> -/**
> - * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
> - * @tpos: the type * to use as a loop cursor.
> - * @pos: the &struct hlist_node to use as a loop cursor.
> - * @n: another &struct hlist_node to use as temporary storage
> - * @head: the head for your list.
> - * @member: the name of the hlist_node within the struct.
> - */
> -#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
> - for (pos = (head)->first; \
> - pos && ({ n = pos->next; 1; }) && \
> - ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
> - pos = n)
> -
> -#endif
> diff --git a/include/module.h b/include/module.h
> index 3c8f39a..03b226a 100644
> --- a/include/module.h
> +++ b/include/module.h
> @@ -3,7 +3,7 @@
>
> #include <elf.h>
> #include <linux/compiler.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> #ifndef MODULE_SYMBOL_PREFIX
> #define MODULE_SYMBOL_PREFIX
> diff --git a/include/stringlist.h b/include/stringlist.h
> index 87380cb..3453e9a 100644
> --- a/include/stringlist.h
> +++ b/include/stringlist.h
> @@ -1,7 +1,7 @@
> #ifndef __STRING_H
> #define __STRING_H
>
> -#include <list.h>
> +#include <linux/list.h>
>
> struct string_list {
> struct list_head list;
> diff --git a/include/usb/gadget.h b/include/usb/gadget.h
> index 67f3ee4..798b51b 100644
> --- a/include/usb/gadget.h
> +++ b/include/usb/gadget.h
> @@ -18,7 +18,7 @@
> #include <usb/ch9.h>
> #include <malloc.h>
> #include <errno.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> struct usb_ep;
>
> diff --git a/lib/driver.c b/lib/driver.c
> index 73bd9a8..67c7b0f 100644
> --- a/lib/driver.c
> +++ b/lib/driver.c
> @@ -32,7 +32,7 @@
> #include <linux/ctype.h>
> #include <errno.h>
> #include <fs.h>
> -#include <list.h>
> +#include <linux/list.h>
>
> LIST_HEAD(device_list);
> EXPORT_SYMBOL(device_list);
> diff --git a/lib/notifier.c b/lib/notifier.c
> index 9e8eb4e..a2aac53 100644
> --- a/lib/notifier.c
> +++ b/lib/notifier.c
> @@ -1,5 +1,5 @@
> #include <common.h>
> -#include <list.h>
> +#include <linux/list.h>
> #include <notifier.h>
>
> int notifier_chain_register(struct notifier_head *nh, struct notifier_block *n)
> --
> 1.6.5
>
> --
> Pengutronix e.K. | |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
>
> _______________________________________________
> u-boot-v2 mailing list
> u-boot-v2 at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/u-boot-v2
>
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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