[PATCH 4/5] x86_64: kasan: add message about kasan being initialized

Andrey Ryabinin
2015-06-30T09:00:49Z

Print informational message to tell user that kernel
runs with kasan enabled.
Add "kasan: " prefix to all messages in kasan_init_64.c

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
---
arch/x86/mm/kasan_init_64.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
index 9a54dbe..e1840f3 100644
--- a/arch/x86/mm/kasan_init_64.c
+++ b/arch/x86/mm/kasan_init_64.c
@@ -1,3 +1,4 @@
+#define pr_fmt(fmt) "kasan: " fmt
#include <linux/bootmem.h>
#include <linux/kasan.h>
#include <linux/kdebug.h>
@@ -237,4 +238,6 @@ void __init kasan_init(void)
load_cr3(init_level4_pgt);
__flush_tlb_all();
init_task.kasan_depth = 0;
+
+ pr_info("Kernel address sanitizer initialized\n");
}
--
2.4.4