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Subject[PATCH 2/4] riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
Date
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
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