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617955ca6e
The EFI stub must not use any KASAN instrumented code as the kernel proper did not initialize the thread pointer and the mapping for the KASAN shadow region. Avoid using the generic strcmp function, instead use the one in drivers/firmware/efi/libstub/string.c. Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20230203075232.274282-5-alexghiti@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
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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* Linker script variables to be set after section resolution, as
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* ld.lld does not like variables assigned before SECTIONS is processed.
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* Based on arch/arm64/kernel/image-vars.h
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*/
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#ifndef __RISCV_KERNEL_IMAGE_VARS_H
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#define __RISCV_KERNEL_IMAGE_VARS_H
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#ifndef LINKER_SCRIPT
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#error This file should only be included in vmlinux.lds.S
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#endif
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#ifdef CONFIG_EFI
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/*
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* The EFI stub has its own symbol namespace prefixed by __efistub_, to
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* isolate it from the kernel proper. The following symbols are legally
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* accessed by the stub, so provide some aliases to make them accessible.
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* Only include data symbols here, or text symbols of functions that are
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* guaranteed to be safe when executed at another offset than they were
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* linked at. The routines below are all implemented in assembler in a
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* position independent manner
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*/
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__efistub__start = _start;
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__efistub__start_kernel = _start_kernel;
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__efistub__end = _end;
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__efistub__edata = _edata;
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__efistub_screen_info = screen_info;
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#endif
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#endif /* __RISCV_KERNEL_IMAGE_VARS_H */
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