linux-kernel - Re: Change CONFIG_DEVKMEM default value to n

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Date:   Mon, 10 Oct 2016 07:12:39 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Dave Young <dyoung@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org
Subject: Re: Change CONFIG_DEVKMEM default value to n

On Mon, Oct 10, 2016 at 10:50:50AM +0800, Dave Young wrote:
> On 10/10/16 at 10:44am, Dave Young wrote:
> > On 10/07/16 at 05:57am, Greg Kroah-Hartman wrote:
> > > On Fri, Oct 07, 2016 at 10:04:11AM +0800, Dave Young wrote:
> > > > 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
> > > 
> > > If you remove the "default" line, it defaults to 'n'.
> > 
> > I personally perfer a "default n", but I can update it..
> 
> Greg, here is an update with dropping the default line:

<snip>

Can you resend it in a format I can apply it in?

thanks,

greg k-h