Release 4.7 lib/list_debug.c
/*
* Copyright 2006, Red Hat, Inc., Dave Jones
* Released under the General Public License (GPL).
*
* This file contains the linked list implementations for
* DEBUG_LIST.
*/
#include <linux/export.h>
#include <linux/list.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/rculist.h>
/*
* Insert a new entry between two known consecutive entries.
*
* This is only for internal list manipulation where we know
* the prev/next entries already!
*/
void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
{
WARN(next->prev != prev,
"list_add corruption. next->prev should be "
"prev (%p), but was %p. (next=%p).\n",
prev, next->prev, next);
WARN(prev->next != next,
"list_add corruption. prev->next should be "
"next (%p), but was %p. (prev=%p).\n",
next, prev->next, prev);
WARN(new == prev || new == next,
"list_add double add: new=%p, prev=%p, next=%p.\n",
new, prev, next);
next->prev = new;
new->next = next;
new->prev = prev;
WRITE_ONCE(prev->next, new);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
dave jones | dave jones | 83 | 78.30% | 3 | 60.00% |
chris metcalf | chris metcalf | 19 | 17.92% | 1 | 20.00% |
paul e. mckenney | paul e. mckenney | 4 | 3.77% | 1 | 20.00% |
| Total | 106 | 100.00% | 5 | 100.00% |
EXPORT_SYMBOL(__list_add);
void __list_del_entry(struct list_head *entry)
{
struct list_head *prev, *next;
prev = entry->prev;
next = entry->next;
if (WARN(next == LIST_POISON1,
"list_del corruption, %p->next is LIST_POISON1 (%p)\n",
entry, LIST_POISON1) ||
WARN(prev == LIST_POISON2,
"list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
entry, LIST_POISON2) ||
WARN(prev->next != entry,
"list_del corruption. prev->next should be %p, "
"but was %p\n", entry, prev->next) ||
WARN(next->prev != entry,
"list_del corruption. next->prev should be %p, "
"but was %p\n", entry, next->prev))
return;
__list_del(prev, next);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
dave jones | dave jones | 45 | 44.12% | 2 | 40.00% |
linus torvalds | linus torvalds | 35 | 34.31% | 1 | 20.00% |
baruch siach | baruch siach | 18 | 17.65% | 1 | 20.00% |
manfred spraul | manfred spraul | 4 | 3.92% | 1 | 20.00% |
| Total | 102 | 100.00% | 5 | 100.00% |
EXPORT_SYMBOL(__list_del_entry);
/**
* 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.
*/
void list_del(struct list_head *entry)
{
__list_del_entry(entry);
entry->next = LIST_POISON1;
entry->prev = LIST_POISON2;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
linus torvalds | linus torvalds | 14 | 51.85% | 1 | 50.00% |
dave jones | dave jones | 13 | 48.15% | 1 | 50.00% |
| Total | 27 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL(list_del);
/*
* RCU variants.
*/
void __list_add_rcu(struct list_head *new,
struct list_head *prev, struct list_head *next)
{
WARN(next->prev != prev,
"list_add_rcu corruption. next->prev should be prev (%p), but was %p. (next=%p).\n",
prev, next->prev, next);
WARN(prev->next != next,
"list_add_rcu corruption. prev->next should be next (%p), but was %p. (prev=%p).\n",
next, prev->next, prev);
new->next = next;
new->prev = prev;
rcu_assign_pointer(list_next_rcu(prev), new);
next->prev = new;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
dave jones | dave jones | 84 | 97.67% | 1 | 50.00% |
paul e. mckenney | paul e. mckenney | 2 | 2.33% | 1 | 50.00% |
| Total | 86 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL(__list_add_rcu);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
dave jones | dave jones | 251 | 69.72% | 4 | 30.77% |
linus torvalds | linus torvalds | 55 | 15.28% | 1 | 7.69% |
chris metcalf | chris metcalf | 19 | 5.28% | 1 | 7.69% |
baruch siach | baruch siach | 18 | 5.00% | 1 | 7.69% |
paul gortmaker | paul gortmaker | 7 | 1.94% | 3 | 23.08% |
paul e. mckenney | paul e. mckenney | 6 | 1.67% | 2 | 15.38% |
manfred spraul | manfred spraul | 4 | 1.11% | 1 | 7.69% |
| Total | 360 | 100.00% | 13 | 100.00% |
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