arch/powerpc/mm/maccess.c

Source file repositories/reference/linux-study-clean/arch/powerpc/mm/maccess.c

File Facts

System
Linux kernel
Corpus path
arch/powerpc/mm/maccess.c
Extension
.c
Size
306 bytes
Lines
14
Domain
Architecture Layer
Bucket
arch/powerpc
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

// SPDX-License-Identifier: GPL-2.0-only

#include <linux/uaccess.h>
#include <linux/kernel.h>

#include <asm/disassemble.h>
#include <asm/inst.h>
#include <asm/ppc-opcode.h>

bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
{
	return is_kernel_addr((unsigned long)unsafe_src);
}

Annotation

Implementation Notes