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arm64: head: move kimage_vaddr variable into C file

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This variable definition does not need to be in head.S so move it out.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220624150651.1358849-2-ardb@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Ard Biesheuvel 2022-06-24 17:06:31 +02:00 committed by Will Deacon
parent a111daf0c5
commit 475031b6ed
2 changed files with 3 additions and 7 deletions
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7
arch/arm64/kernel/head.S
View File

@ -469,13 +469,6 @@ SYM_FUNC_START_LOCAL(__primary_switched)
ASM_BUG()
SYM_FUNC_END(__primary_switched)
.pushsection ".rodata", "a"
SYM_DATA_START(kimage_vaddr)
.quad _text
SYM_DATA_END(kimage_vaddr)
EXPORT_SYMBOL(kimage_vaddr)
.popsection
/*
* end early head section, begin head code that is also used for
* hotplug and needs to have the same protections as the text region

3
arch/arm64/mm/mmu.c
View File

@ -49,6 +49,9 @@ u64 idmap_ptrs_per_pgd = PTRS_PER_PGD;
u64 __section(".mmuoff.data.write") vabits_actual;
EXPORT_SYMBOL(vabits_actual);
u64 kimage_vaddr __ro_after_init = (u64)&_text;
EXPORT_SYMBOL(kimage_vaddr);
u64 kimage_voffset __ro_after_init;
EXPORT_SYMBOL(kimage_voffset);