lkml.org 
[lkml]   [2021]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
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
\
 
 \ /
  Last update: 2021-02-08 21:44    [W:0.110 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site