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From: Josh Triplett <josh@joshtriplett.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
	Max <jbires@google.com>, Greg KH <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] char: lack of bool string made CONFIG_DEVPORT always on
Date: Wed, 14 Dec 2016 01:46:48 -0800	[thread overview]
Message-ID: <20161214094648.aml4mrwzvrqxytzg@x> (raw)
In-Reply-To: <9437575.LShmc6ajMp@wuerfel>

On Wed, Dec 14, 2016 at 10:11:19AM +0100, Arnd Bergmann wrote:
> On Wednesday, December 14, 2016 9:58:53 AM CET Geert Uytterhoeven wrote:
> > >
> > > --- a/drivers/char/Kconfig
> > > +++ b/drivers/char/Kconfig
> > > @@ -589,10 +589,13 @@ config TELCLOCK
> > >           controlling the behavior of this hardware.
> > >
> > >  config DEVPORT
> > > -       bool
> > > +       bool "/dev/port character device"
> > 
> > bool "/dev/port character device" if EXPERT?
> 
> I think the 'default y' is good enough, there are good reasons
> even for non-EXPERT configurations to turn this off.

Agreed. /dev/port seems like something the majority of modern systems
can safely turn off.

  reply	other threads:[~2016-12-14  9:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-14  0:32 [PATCH] char: lack of bool string made CONFIG_DEVPORT always on Max
2016-12-14  0:58 ` Greg KH
2016-12-14  1:18   ` Max
2016-12-14  8:58     ` Geert Uytterhoeven
2016-12-14  9:11       ` Arnd Bergmann
2016-12-14  9:46         ` Josh Triplett [this message]
     [not found]           ` <CALVgH4S9b7JJj0wbR1N9Bd4tJB-CqJWfm_SPXv3z-m7U372ZmA@mail.gmail.com>
2017-01-02 20:49             ` Arnd Bergmann
2017-01-03 12:53 ` Max Bires
2017-01-03 13:52   ` Greg KH
2017-01-03 14:26 ` [PATCH] Without a bool string present, using "# CONFIG_DEVPORT is not set" in defconfig files would not actually unset devport. This esnured that /dev/port was always on, but there are reasons a user may wish to disable it (smaller kernel, attack surface reduction) if it's not being used. Adding a message here in order to make this user visible Max Bires
2017-01-03 14:34   ` Greg KH
2017-01-03 16:18   ` [PATCH] char: lack of bool string made CONFIG_DEVPORT always on Max Bires

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