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list.h: add locked variants

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Marc Kleine-Budde 2022-11-11 15:36:10 +01:00 committed by fenugrec
parent 9ea65a1d98
commit 61baf8ce90
1 changed files with 18 additions and 0 deletions
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18
include/list.h
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@ -32,6 +32,7 @@
#define _LINUXKPI_LINUX_LIST_H_
#include "compiler.h"
#include "util.h"
#ifndef prefetch
#define prefetch(x)
@ -427,6 +428,23 @@ static inline int list_is_last(const struct list_head *list,
return list->next == head;
}
#define list_first_entry_or_null_locked(ptr, type, member) \
({ \
bool was_irq_enabled = disable_irq(); \
type *entry = list_first_entry_or_null(ptr, type, member); \
restore_irq(was_irq_enabled); \
entry; \
})
static inline void
list_move_tail_locked(struct list_head *entry, struct list_head *head)
{
bool was_irq_enabled = disable_irq();
list_move_tail(entry, head);
restore_irq(was_irq_enabled);
}
#define hlist_entry(ptr, type, field) container_of(ptr, type, field)
#define hlist_for_each(p, head) \