Re: [Xen-devel] [PATCH] xen/arm: allow console=hvc0 to be omitted for guests

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Stefano,

On 10/02/2015 15:00, Stefano Stabellini wrote:
> On Fri, 30 Jan 2015, Ard Biesheuvel wrote:
> > This patch registers hvc0 as the preferred console if no console
> > has been specified explicitly on the kernel command line.
> >
> > The purpose is to allow platform agnostic kernels and boot images
> > (such as distro installers) to boot in a Xen/ARM domU without the
> > need to modify the command line by hand.
> >
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> > ---
> >
> > This applies on top of the patch Julien is cooking up to move the
> > call to xen_guest_init() to an earlier boot stage. This needs to
> > be at least before the call to console_init() in start_kernel()
> > for this patch to do anything meaningful.
> This patch looks good but there isn't much point in queuing this up
> without the prerequisite.
>
> Julien, what patch exactly is that? What is the status of it?
Calling xen_guest_init from setup_arch. It's based on a patch you sent 
an year ago (http://osdir.com/ml/linux-kernel/2013-08/msg00675.html)
But I had some issue with the console. The splitting of xen_guest_init 
doesn't work. It seems that we decode the IRQ too early.
I haven't had time to rework it and sent it.

Regards,

--
Julien Grall

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