linux-kernel - Re: [PATCH v3 13/38] Input: add HAS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <e6cfe32c126661fc9e14352815885fca7ff8df7c.camel@linux.ibm.com>
Date:   Fri, 28 Apr 2023 16:50:22 +0200
From:   Niklas Schnelle <schnelle@...ux.ibm.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-pci@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        linux-input@...r.kernel.org
Subject: Re: [PATCH v3 13/38] Input: add HAS_IOPORT dependencies

On Wed, 2023-03-15 at 09:22 +0100, Geert Uytterhoeven wrote:
> Hi Niklas,
> 
> On Tue, Mar 14, 2023 at 1:12 PM Niklas Schnelle <schnelle@...ux.ibm.com> wrote:
> > In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> > not being declared. We thus need to add HAS_IOPORT as dependency for
> > those drivers using them.
> > 
> > Co-developed-by: Arnd Bergmann <arnd@...nel.org>
> > Signed-off-by: Niklas Schnelle <schnelle@...ux.ibm.com>
> 
> Thanks for your patch!
> 
> > --- a/drivers/input/serio/Kconfig
> > +++ b/drivers/input/serio/Kconfig
> > @@ -75,6 +75,7 @@ config SERIO_Q40KBD
> >  config SERIO_PARKBD
> >         tristate "Parallel port keyboard adapter"
> >         depends on PARPORT
> > +       depends on HAS_IOPORT
> >         help
> >           Say Y here if you built a simple parallel port adapter to attach
> >           an additional AT keyboard, XT keyboard or PS/2 mouse.
> 
> This driver seems to use only the parport and serio APIs, so it might
> work on systems without HAS_IOPORT.  Dunno for sure.
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 

Thanks, yes you're right this driver compiles fine without inb()/outb()
etc. I removed the dependency, not sure if it used to have a dependency
or this was a mixup but it's corrected for v4.

Thanks,
Niklas