arch/x86/include/asm/dmi.h

Source file repositories/reference/linux-study-clean/arch/x86/include/asm/dmi.h

File Facts

System
Linux kernel
Corpus path
arch/x86/include/asm/dmi.h
Extension
.h
Size
556 bytes
Lines
23
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_X86_DMI_H
#define _ASM_X86_DMI_H

#include <linux/compiler.h>
#include <linux/init.h>
#include <linux/io.h>

#include <asm/setup.h>

static __always_inline __init void *dmi_alloc(unsigned len)
{
	return extend_brk(len, sizeof(int));
}

/* Use early IO mappings for DMI because it's initialized early */
#define dmi_early_remap		early_memremap
#define dmi_early_unmap		early_memunmap
#define dmi_remap(_x, _l)	memremap(_x, _l, MEMREMAP_WB)
#define dmi_unmap(_x)		memunmap(_x)

#endif /* _ASM_X86_DMI_H */

Annotation

Implementation Notes