Re: [Xen-devel] [PATCH] kernel-parameters: document earlycon=xenboot

From: Chris Patterson
Date: Tue Apr 05 2016 - 17:22:32 EST


On Tue, Apr 5, 2016 at 12:42 PM, Konrad Rzeszutek Wilk
<konrad.wilk@xxxxxxxxxx> wrote:
> On Tue, Apr 05, 2016 at 11:43:36AM -0400, Chris Patterson wrote:
>> On Tue, Apr 5, 2016 at 9:49 AM, Konrad Rzeszutek Wilk
>> <konrad.wilk@xxxxxxxxxx> wrote:
>> > On Mon, Apr 04, 2016 at 10:48:11PM -0400, Chris Patterson wrote:
>> >> Add earlycon=xenboot option to Documentation/kernel-parameters.txt.
>> >>
>> >
>> > But it is not true.
>> >
>> > I tried this on x86: "earlycon=xenboot console=tty0"
>> >
>>
>> I can investigate further, but hopefully Stefano can chime in more
>> definitively on what is supported.
>>
>> I used "earlycon=xenboot console=hvc0" with success for dom0 on my
>> ARM64 platform.
>
> Perhaps the documentation should also have [ARM], like some of the
> other ones?

Absolutely. I will test some combinations and be explicit about what
should work in v2. Thanks for the feedback.

Cheers,
-Chris