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Date: Fri, 21 Sep 2012 12:17:15 +0100
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Dave Martin <dave.martin@linaro.org>, Pawel Moll <pawel.moll@arm.com>,
        Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH] arm: introduce a DTS for Xen unprivileged virtual
 machines
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On Thu, 20 Sep 2012, Konrad Rzeszutek Wilk wrote:
> On Thu, Sep 20, 2012 at 12:18:15PM +0100, Dave Martin wrote:
> > On Thu, Sep 20, 2012 at 11:06:03AM +0100, Pawel Moll wrote:
> > > Morning,
> > > 
> > > On Wed, 2012-09-19 at 18:44 +0100, Stefano Stabellini wrote:
> > > > +/dts-v1/;
> > > > +
> > > > +/include/ "skeleton.dtsi"
> > > 
> > > Any particular reason to include skeleton? And I think it would be
> > > better to use #address-cells = <2> and #size-cells = <2>, to be ready
> > > for LPAE addresses...
> > > 
> > > > +/ {
> > > > +	model = "XENVM-4.2";
> > > > +	compatible = "xen,xenvm-4.2", "arm,vexpress";
> > > > +	interrupt-parent = <&gic>;
> > > > +
> > > > +	chosen {
> > > > +		bootargs = "earlyprintk console=hvc0 root=/dev/xvda init=/sbin/init";
> 
> earlyprintk=xen ?
> 

earlyprintk is not "selectable" on ARM (that would be a nice addition
though). It just goes to the configured uart, that is the only piece of
hardware that is being emulated by Xen at the moment.

In any case I have removed anything debug related, including
earlyprintk, from the default bootargs.