From: Lecopzer Chen Date: Wed, 24 Mar 2021 04:05:19 +0000 (+0800) Subject: arm64: kasan: abstract _text and _end to KERNEL_START/END X-Git-Tag: io_uring-5.13-2021-05-07~95^2~2^7~3 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7d7b88ff5f8fd79a72baacc521407a3101f0ffae;p=linux-block.git arm64: kasan: abstract _text and _end to KERNEL_START/END 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 Acked-by: Andrey Konovalov Tested-by: Andrey Konovalov Tested-by: Ard Biesheuvel Link: https://lore.kernel.org/r/20210324040522.15548-3-lecopzer.chen@mediatek.com Signed-off-by: Catalin Marinas --- diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index 7598b0a96b64..1cc2cde94e94 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -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);