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From:   Lecopzer Chen <lecopzer@gmail.com>
To:     linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org
Cc:     dan.j.williams@intel.com, aryabinin@virtuozzo.com,
        glider@google.com, dvyukov@google.com, akpm@linux-foundation.org,
        linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com,
        will@kernel.org, catalin.marinas@arm.com,
        Lecopzer Chen <lecopzer@gmail.com>,
        Lecopzer Chen <lecopzer.chen@mediatek.com>
Subject: [PATCH 2/3] arm64: kasan: abstract _text and _end to KERNEL_START/END
Date:   Mon,  4 Jan 2021 01:11:36 +0800
Message-Id: <20210103171137.153834-3-lecopzer@gmail.com>
In-Reply-To: <20210103171137.153834-1-lecopzer@gmail.com>
References: <20210103171137.153834-1-lecopzer@gmail.com>
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Arm64 provide defined macro for KERNEL_START and KERNEL_END,
thus replace by the abstration instead of using _text and _end directly.

Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
---
 arch/arm64/mm/kasan_init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index d7ad3f1e9c4d..acb549951f87 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);
@@ -241,7 +241,7 @@ 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);
-- 
2.25.1