arch/arm/mm/l2c-common.c

Source file repositories/reference/linux-study-clean/arch/arm/mm/l2c-common.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mm/l2c-common.c
Extension
.c
Size
352 bytes
Lines
18
Domain
Architecture Layer
Bucket
arch/arm
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
/*
 * Copyright (C) 2010 ARM Ltd.
 * Written by Catalin Marinas <catalin.marinas@arm.com>
 */
#include <linux/bug.h>
#include <linux/smp.h>
#include <asm/outercache.h>

void outer_disable(void)
{
	WARN_ON(!irqs_disabled());
	WARN_ON(num_online_cpus() > 1);

	if (outer_cache.disable)
		outer_cache.disable();
}

Annotation

Implementation Notes