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Don't bother poisoning lists; it costs code size.

pull/1/head
Michael Brown 2006-04-24 15:28:56 +00:00
parent 1d7cfd5acf
commit 5423f876fb
1 changed files with 3 additions and 13 deletions
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16
src/include/gpxe/list.h
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@ -1,5 +1,5 @@
#ifndef _LIST_H #ifndef _GPXE_LIST_H
#define _LIST_H #define _GPXE_LIST_H
/** @file /** @file
* *
@ -11,14 +11,6 @@
#include <stddef.h> #include <stddef.h>
/*
* These are non-NULL pointers that will result in page faults
* under normal circumstances, used to verify that nobody uses
* non-initialized list entries.
*/
#define LIST_POISON1 ( ( void * ) 0x00100100 )
#define LIST_POISON2 ( ( void * ) 0x00200200 )
/* /*
* Simple doubly linked list implementation. * Simple doubly linked list implementation.
* *
@ -108,8 +100,6 @@ static inline void __list_del ( struct list_head * prev,
*/ */
static inline void list_del ( struct list_head *entry ) { static inline void list_del ( struct list_head *entry ) {
__list_del ( entry->prev, entry->next ); __list_del ( entry->prev, entry->next );
entry->next = LIST_POISON1;
entry->prev = LIST_POISON2;
} }
/** /**
@ -152,4 +142,4 @@ static inline int list_empty ( const struct list_head *head ) {
&pos->member != (head); \ &pos->member != (head); \
pos = list_entry ( pos->member.next, typeof ( *pos ), member ) ) pos = list_entry ( pos->member.next, typeof ( *pos ), member ) )
#endif /* _LIST_H */ #endif /* _GPXE_LIST_H */