linux-kernel - Re: [PATCH v1 04/12] xen/hvmlite: Bootstrap HVMlite guest

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Message-ID: <20160126183425.GH20964@wotan.suse.de>
Date:	Tue, 26 Jan 2016 19:34:26 +0100
From:	"Luis R. Rodriguez" <mcgrof@...e.com>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, david.vrabel@...rix.com,
	konrad.wilk@...cle.com, xen-devel@...ts.xenproject.org,
	linux-kernel@...r.kernel.org, roger.pau@...rix.com,
	Juergen Gross <jgross@...e.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andy Lutomirski <luto@...capital.net>,
	Borislav Petkov <bp@...e.de>,
	Jeremy Fitzhardinge <jeremy@...p.org>
Subject: Re: [PATCH v1 04/12] xen/hvmlite: Bootstrap HVMlite guest

On Mon, Jan 25, 2016 at 05:28:08PM -0500, Boris Ostrovsky wrote:
> On 01/25/2016 04:21 PM, H. Peter Anvin wrote:
> >On 01/25/16 13:12, Luis R. Rodriguez wrote:
> >>>Perhaps, but someone would still have to set hardware_subarch. And
> >>>it's hvmlite_bootparams() that does it.
> >>No, Xen would do it as well, essentially all of hvmlite_bootparams() could be
> >>done in Xen.
> >>
> >Or a stub code.
> 
> This patch in fact is the stub for Xen HVMlite guests, after we are
> done with it we jump to bare-metal startup code (i.e startup_32|64)

Right the point is the stub need not be in Linux, I'll explain in the other
thread where I provided more details on the different known approaches.

  Luis