linux-kernel - Change CONFIG_DEVKMEM default value to n

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Date:   Fri, 7 Oct 2016 10:04:11 +0800
From:   Dave Young <dyoung@...hat.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Subject: Change CONFIG_DEVKMEM default value to n

Kconfig comment suggests setting it as "n" if in doubt thus move the
default value to 'n'.

Signed-off-by: Dave Young <dyoung@...hat.com>
Suggested-by: Kees Cook <keescook@...omium.org>
---
 drivers/char/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-x86.orig/drivers/char/Kconfig
+++ linux-x86/drivers/char/Kconfig
@@ -17,7 +17,7 @@ config DEVMEM
 
 config DEVKMEM
 	bool "/dev/kmem virtual device support"
-	default y
+	default n
 	help
 	  Say Y here if you want to support the /dev/kmem device. The
 	  /dev/kmem device is rarely used, but can be used for certain