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Tip revision: 3906fe9bb7f1a2c8667ae54e967dc8690824f4ea authored by Linus Torvalds on 25 October 2021, 18:30:31 UTC
Linux 5.15-rc7
Tip revision: 3906fe9
sections.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2020 Western Digital Corporation or its affiliates.
 */
#ifndef __ASM_SECTIONS_H
#define __ASM_SECTIONS_H

#include <asm-generic/sections.h>
#include <linux/mm.h>

extern char _start[];
extern char _start_kernel[];
extern char __init_data_begin[], __init_data_end[];
extern char __init_text_begin[], __init_text_end[];
extern char __alt_start[], __alt_end[];

static inline bool is_va_kernel_text(uintptr_t va)
{
	uintptr_t start = (uintptr_t)_start;
	uintptr_t end = (uintptr_t)__init_data_begin;

	return va >= start && va < end;
}

static inline bool is_va_kernel_lm_alias_text(uintptr_t va)
{
	uintptr_t start = (uintptr_t)lm_alias(_start);
	uintptr_t end = (uintptr_t)lm_alias(__init_data_begin);

	return va >= start && va < end;
}

#endif /* __ASM_SECTIONS_H */
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