drivers/gpu/drm/i915/i915_list_util.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/i915_list_util.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/i915_list_util.h
Extension
.h
Size
515 bytes
Lines
24
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __I915_LIST_UTIL_H__
#define __I915_LIST_UTIL_H__

#include <linux/list.h>
#include <asm/rwonce.h>

static inline void __list_del_many(struct list_head *head,
				   struct list_head *first)
{
	first->prev = head;
	WRITE_ONCE(head->next, first);
}

static inline int list_is_last_rcu(const struct list_head *list,
				   const struct list_head *head)
{
	return READ_ONCE(list->next) == head;
}

#endif /* __I915_LIST_UTIL_H__ */

Annotation

Implementation Notes