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SubjectRe: [PATCH v3 4/4] Documentation: ABI: /sys/firmware/devicetree/overlays
On Mon, Apr 27, 2015 at 08:51:20PM +0300, Pantelis Antoniou wrote:
> Hi Greg,
>
> > On Apr 24, 2015, at 23:31 , Greg KH <greg@kroah.com> wrote:
> >
> > On Fri, Apr 24, 2015 at 12:45:44PM +0300, Pantelis Antoniou wrote:
> >> Documentation ABI entry for overlays sysfs entries.
> >>
> >> Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
> >> ---
> >> .../ABI/testing/sysfs-firmware-devicetree-overlays | 23 ++++++++++++++++++++++
> >> 1 file changed, 23 insertions(+)
> >> create mode 100644 Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> >>
> >> diff --git a/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> >> new file mode 100644
> >> index 0000000..6b81f1c
> >> --- /dev/null
> >> +++ b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
> >> @@ -0,0 +1,23 @@
> >> +What: /sys/firmware/devicetree/overlays/
> >> +Date: March 2015
> >> +Contact: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
> >> +Description:
> >> + This directory contains the applied device tree overlays of
> >> + the running system, as directories of the overlay id.
> >
> > "as"?
> >
> >> +
> >> + enable: The master enable switch, by default is 1, and when
> >> + set to 0 it cannot be re-enabled for security reasons.
> >
> > What are those reasons?
> >
>
> There’s a whole subthread with Grant & Kees going over security concerns.
>
> http://comments.gmane.org/gmane.linux.drivers.devicetree/101871

Great, document it here please, so that others know this :)

thanks,

greg k-h


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