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Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport)

From Greg KH <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport)
Date 2016-12-06 12:00 +0100
Message-ID <sLlDA-XN-17@gated-at.bofh.it> (permalink)
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On Tue, Dec 06, 2016 at 10:42:47AM +0000, David Howells wrote:
> Greg KH <gregkh@linuxfoundation.org> wrote:
> 
> > What about all of the ways you can change ioports dynamically from
> > ioctls?  Or can't python write ioctls to device nodes?  :)
> 
> Do you mean change the ioport a driver uses by ioctl or actually read/write an
> ioport directly?

change the ioport a driver uses.  The tty layer can do this for UARTs
through an ioctl (can't remember which one off the top of my head,
sorry, it gets reported as a bug by the syscall fuzzers every other year
or so when they crash the kernel randomly...)

> Do the following patches that I've already posted address your issues:
> 
> http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/commit/?h=efi-lock-down&id=c67c338dd82d28c67d38eb3147368eb36dbf1c16
> 
> http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/commit/?h=efi-lock-down&id=10bd7277eef5194ba038fc2d907bac9e6aeab12b
> 
> They're going to be in a patchset that I am/was intending to sit atop the
> module parameter-lockdown patchset.

Ah, I hadn't seen those, that's a good start, and does close some other
places.

thanks,

greg k-h

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[PATCH 00/39] Annotate hw config module params for future lockdown David Howells <dhowells@redhat.com> - 2016-12-01 13:30 +0100
  [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) David Howells <dhowells@redhat.com> - 2016-12-01 13:30 +0100
    Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Greg KH <gregkh@linuxfoundation.org> - 2016-12-01 16:10 +0100
      Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport) David Howells <dhowells@redhat.com> - 2016-12-01 17:10 +0100
        Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-12-05 22:20 +0100
          Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Greg KH <gregkh@linuxfoundation.org> - 2016-12-06 08:20 +0100
            Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport) David Howells <dhowells@redhat.com> - 2016-12-06 11:50 +0100
              Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Greg KH <gregkh@linuxfoundation.org> - 2016-12-06 12:00 +0100
      Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Matthew Garrett <mjg59@srcf.ucam.org> - 2016-12-02 04:50 +0100
        Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Greg KH <gregkh@linuxfoundation.org> - 2016-12-02 08:00 +0100
          Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Matthew Garrett <mjg59@srcf.ucam.org> - 2016-12-02 08:20 +0100
            Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-12-05 22:30 +0100
          Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport) David Howells <dhowells@redhat.com> - 2016-12-02 16:00 +0100
            Re: [PATCH 01/39] Annotate module params that specify hardware  parameters (eg. ioport) Greg KH <gregkh@linuxfoundation.org> - 2016-12-05 16:50 +0100
              Re: [PATCH 01/39] Annotate module params that specify hardware parameters (eg. ioport) David Howells <dhowells@redhat.com> - 2016-12-06 12:00 +0100
  [PATCH 20/39] Annotate hardware config module parameters in  drivers/net/hamradio/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 34/39] Annotate hardware config module parameters in  drivers/watchdog/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 34/39] Annotate hardware config module parameters in  drivers/watchdog/ Guenter Roeck <linux@roeck-us.net> - 2016-12-01 14:00 +0100
  [PATCH 03/39] Annotate hardware config module parameters in  drivers/char/ipmi/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 03/39] Annotate hardware config module parameters in  drivers/char/ipmi/ Corey Minyard <minyard@acm.org> - 2016-12-01 14:20 +0100
  [PATCH 05/39] Annotate hardware config module parameters in  drivers/char/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 28/39] Annotate hardware config module parameters in  drivers/staging/i4l/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 07/39] Annotate hardware config module parameters in  drivers/cpufreq/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 07/39] Annotate hardware config module parameters in drivers/cpufreq/ "Rafael J. Wysocki" <rafael@kernel.org> - 2016-12-01 15:10 +0100
      Re: [PATCH 07/39] Annotate hardware config module parameters in drivers/cpufreq/ David Howells <dhowells@redhat.com> - 2016-12-01 15:20 +0100
        Re: [PATCH 07/39] Annotate hardware config module parameters in drivers/cpufreq/ "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-12-01 15:30 +0100
  [PATCH 39/39] Annotate hardware config module parameters in  sound/pci/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 35/39] Annotate hardware config module parameters in  fs/pstore/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 11/39] Annotate hardware config module parameters in  drivers/input/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 11/39] Annotate hardware config module parameters in  drivers/input/ Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2016-12-03 20:00 +0100
  [PATCH 21/39] Annotate hardware config module parameters in  drivers/net/irda/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 31/39] Annotate hardware config module parameters in  drivers/staging/vme/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 33/39] Annotate hardware config module parameters in  drivers/video/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 04/39] Annotate hardware config module parameters in  drivers/char/mwave/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 38/39] Annotate hardware config module parameters in  sound/oss/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 06/39] Annotate hardware config module parameters in  drivers/clocksource/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 12/39] Annotate hardware config module parameters in  drivers/isdn/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 23/39] Annotate hardware config module parameters in  drivers/net/wireless/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 23/39] Annotate hardware config module parameters in drivers/net/wireless/ Kalle Valo <kvalo@codeaurora.org> - 2016-12-02 06:10 +0100
      Re: [PATCH 23/39] Annotate hardware config module parameters in drivers/net/wireless/ David Howells <dhowells@redhat.com> - 2016-12-07 14:50 +0100
  [PATCH 29/39] Annotate hardware config module parameters in  drivers/staging/media/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 29/39] Annotate hardware config module parameters in  drivers/staging/media/ Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-12-01 16:00 +0100
      Re: [PATCH 29/39] Annotate hardware config module parameters in drivers/staging/media/ David Howells <dhowells@redhat.com> - 2016-12-01 16:10 +0100
        Re: [PATCH 29/39] Annotate hardware config module parameters in  drivers/staging/media/ Mauro Carvalho Chehab <mchehab@s-opensource.com> - 2016-12-01 16:20 +0100
  [PATCH 09/39] Annotate hardware config module parameters in  drivers/i2c/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 09/39] Annotate hardware config module parameters in  drivers/i2c/ Jean Delvare <jdelvare@suse.de> - 2016-12-01 14:50 +0100
      Re: [PATCH 09/39] Annotate hardware config module parameters in drivers/i2c/ David Howells <dhowells@redhat.com> - 2016-12-01 15:20 +0100
        Re: [PATCH 09/39] Annotate hardware config module parameters in  drivers/i2c/ Jean Delvare <jdelvare@suse.de> - 2016-12-01 17:10 +0100
        Re: [PATCH 09/39] Annotate hardware config module parameters in  drivers/i2c/ One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-12-05 22:20 +0100
  [PATCH 19/39] Annotate hardware config module parameters in  drivers/net/ethernet/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 18/39] Annotate hardware config module parameters in  drivers/net/can/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 18/39] Annotate hardware config module parameters in  drivers/net/can/ Marc Kleine-Budde <mkl@pengutronix.de> - 2016-12-01 14:10 +0100
  [PATCH 25/39] Annotate hardware config module parameters in  drivers/pci/hotplug/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 25/39] Annotate hardware config module parameters in  drivers/pci/hotplug/ Bjorn Helgaas <helgaas@kernel.org> - 2016-12-07 19:40 +0100
  [PATCH 27/39] Annotate hardware config module parameters in  drivers/scsi/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 27/39] Annotate hardware config module parameters in  drivers/scsi/ Finn Thain <fthain@telegraphics.com.au> - 2016-12-01 23:10 +0100
  [PATCH 26/39] Annotate hardware config module parameters in  drivers/pcmcia/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 08/39] Annotate hardware config module parameters in  drivers/gpio/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 08/39] Annotate hardware config module parameters in  drivers/gpio/ William Breathitt Gray <vilhelm.gray@gmail.com> - 2016-12-01 14:50 +0100
    Re: [PATCH 08/39] Annotate hardware config module parameters in drivers/gpio/ Linus Walleij <linus.walleij@linaro.org> - 2016-12-02 14:00 +0100
  [PATCH 32/39] Annotate hardware config module parameters in  drivers/tty/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 32/39] Annotate hardware config module parameters in  drivers/tty/ Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-12-01 16:10 +0100
  [PATCH 13/39] Annotate hardware config module parameters in  drivers/media/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 36/39] Annotate hardware config module parameters in  sound/drivers/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 17/39] Annotate hardware config module parameters in  drivers/net/arcnet/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 24/39] Annotate hardware config module parameters in  drivers/parport/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 15/39] Annotate hardware config module parameters in  drivers/mmc/host/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 02/39] Annotate hardware config module parameters in  arch/x86/mm/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 16/39] Annotate hardware config module parameters in  drivers/net/appletalk/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 37/39] Annotate hardware config module parameters in  sound/isa/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 30/39] Annotate hardware config module parameters in  drivers/staging/speakup/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 22/39] Annotate hardware config module parameters in  drivers/net/wan/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
  [PATCH 10/39] Annotate hardware config module parameters in  drivers/iio/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100
    Re: [PATCH 10/39] Annotate hardware config module parameters in  drivers/iio/ William Breathitt Gray <vilhelm.gray@gmail.com> - 2016-12-01 15:00 +0100
      Re: [PATCH 10/39] Annotate hardware config module parameters in  drivers/iio/ Jonathan Cameron <jic23@kernel.org> - 2016-12-03 15:40 +0100
        Re: [PATCH 10/39] Annotate hardware config module parameters in drivers/iio/ David Howells <dhowells@redhat.com> - 2016-12-07 14:50 +0100
  [PATCH 14/39] Annotate hardware config module parameters in  drivers/misc/ David Howells <dhowells@redhat.com> - 2016-12-01 13:40 +0100

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