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From:   Alexandre Ghiti <alex@ghiti.fr>
To:     Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>, kasan-dev@googlegroups.com,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Alexandre Ghiti <alex@ghiti.fr>
Subject: [PATCH 2/4] riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
Date:   Mon,  8 Feb 2021 14:30:15 -0500
Message-Id: <20210208193017.30904-3-alex@ghiti.fr>
In-Reply-To: <20210208193017.30904-1-alex@ghiti.fr>
References: <20210208193017.30904-1-alex@ghiti.fr>
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Instead of hardcoding memory initialization to 0, use KASAN_SHADOW_INIT.

Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
---
 arch/riscv/mm/kasan_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index a8a2ffd9114a..7bbe09416a2e 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -80,7 +80,7 @@ static void __init populate(void *start, void *end)
 				__pgprot(_PAGE_TABLE)));
 
 	local_flush_tlb_all();
-	memset(start, 0, end - start);
+	memset(start, KASAN_SHADOW_INIT, end - start);
 }
 
 void __init kasan_init(void)
@@ -108,6 +108,6 @@ void __init kasan_init(void)
 			       __pgprot(_PAGE_PRESENT | _PAGE_READ |
 					_PAGE_ACCESSED)));
 
-	memset(kasan_early_shadow_page, 0, PAGE_SIZE);
+	memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
 	init_task.kasan_depth = 0;
 }
-- 
2.20.1