890cfe5337
[ Upstream commit 420370f3ae3d3b883813fd3051a38805160b2b9f ]
Otherwise we fall through to vmalloc_to_page() which panics since the
address does not lie in the vmalloc region.
Fixes: 043cb41a85de ("riscv: introduce interfaces to patch kernel code")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231214091926.203439-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
35 lines
883 B
C
35 lines
883 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020 Western Digital Corporation or its affiliates.
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*/
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#ifndef __ASM_SECTIONS_H
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#define __ASM_SECTIONS_H
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#include <asm-generic/sections.h>
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#include <linux/mm.h>
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extern char _start[];
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extern char _start_kernel[];
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extern char __init_data_begin[], __init_data_end[];
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extern char __init_text_begin[], __init_text_end[];
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extern char __alt_start[], __alt_end[];
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extern char __exittext_begin[], __exittext_end[];
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static inline bool is_va_kernel_text(uintptr_t va)
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{
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uintptr_t start = (uintptr_t)_start;
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uintptr_t end = (uintptr_t)__init_data_begin;
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return va >= start && va < end;
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}
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static inline bool is_va_kernel_lm_alias_text(uintptr_t va)
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{
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uintptr_t start = (uintptr_t)lm_alias(_start);
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uintptr_t end = (uintptr_t)lm_alias(__init_data_begin);
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return va >= start && va < end;
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}
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#endif /* __ASM_SECTIONS_H */
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