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UPSTREAM: arm64: kasan: abstract _text and _end to KERNEL_START/END

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Arm64 provides defined macro for KERNEL_START and KERNEL_END,
thus replace them by the abstration instead of using _text and _end.

Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Acked-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20210324040522.15548-3-lecopzer.chen@mediatek.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Bug: 201711661
(cherry picked from commit 7d7b88ff5f)
Signed-off-by: Yee Lee <yee.lee@mediatek.com>
Change-Id: I806cb3d57e2064c272f3c87f0eb212ceea80c424
This commit is contained in:
Lecopzer Chen
2021-03-24 12:05:19 +08:00
committed by Suren Baghdasaryan
parent 4d91b1f6ee
commit d0f4b61ae6
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/mm/kasan_init.c
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@@ -218,8 +218,8 @@ static void __init kasan_init_shadow(void)
phys_addr_t pa_start, pa_end;
u64 i;
kimg_shadow_start = (u64)kasan_mem_to_shadow(_text) & PAGE_MASK;
kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(_end));
kimg_shadow_start = (u64)kasan_mem_to_shadow(KERNEL_START) & PAGE_MASK;
kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(KERNEL_END));
mod_shadow_start = (u64)kasan_mem_to_shadow((void *)MODULES_VADDR);
mod_shadow_end = (u64)kasan_mem_to_shadow((void *)MODULES_END);
@@ -240,7 +240,7 @@ static void __init kasan_init_shadow(void)
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
kasan_map_populate(kimg_shadow_start, kimg_shadow_end,
early_pfn_to_nid(virt_to_pfn(lm_alias(_text))));
early_pfn_to_nid(virt_to_pfn(lm_alias(KERNEL_START))));
kasan_populate_early_shadow(kasan_mem_to_shadow((void *)PAGE_END),
(void *)mod_shadow_start);