From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>, x86@kernel.org
Cc: Andrey Konovalov <adech.fo@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Borislav Petkov <bp@alien8.de>,
        Alexander Popov <alpopov@ptsecurity.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Alexander Potapenko <glider@google.com>, linux-kernel@vger.kernel.org,
        Andrey Ryabinin <a.ryabinin@samsung.com>
Subject: [PATCH v2 5/6] x86_64: kasan: add message about kasan being initialized
Date: Thu, 02 Jul 2015 12:09:37 +0300
Message-id: <1435828178-10975-6-git-send-email-a.ryabinin@samsung.com>
In-reply-to: <1435828178-10975-1-git-send-email-a.ryabinin@samsung.com>
References: <1435828178-10975-1-git-send-email-a.ryabinin@samsung.com>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1008
Lines: 33

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

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");
 }
-- 
2.4.5

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