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Subject: Re: [PATCH] rfkill: create useful userspace interface
From: Marcel Holtmann <marcel@holtmann.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Dan Williams <dcbw@redhat.com>,
	Alan Jenkins <alan-jenkins@tuffmail.co.uk>,
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Date: Thu, 04 Jun 2009 06:24:46 +0200
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Hi Henrique,

> > > > Forget about this EPO crap. That is just a stupid concept anyway.
> > > 
> > > Is it?  So, if I use the _hardware switch_ on my laptop to kill all
> > > internal radios, it shouldn't be enforced by the OS on extra radios I
> > > plugged?  Or on shitty internal WLAN cards that doesn't tie properly to
> > > the mini-pci and mini-pcie hardware kill lines?
> > > 
> > > And any userspace PoS program can decide to bring up such radios that
> > > are not hardware-killed even if I am clearly trying to disable them all?
> > 
> > You hardkilled.  Of course it should bring down everything.  If you
> > don't want to hardkill, then disable specific radios via /sys or some
> > UI.  The hardswitch is the "eject" button.
> 
> That's exactly my point.  I want EPO to mean "no, you cannot turn this crap
> on, GO AWAY" for anyone but root (or whomever SELinux allowed to do it,
> etc).

let me repeat, this is what you want and that is policy. Feel free to
implement that in userspace. Leave such policy out of the kernel.

Regards

Marcel