Re: [Xen-devel] [PATCH v2 11/30] xen/x86: split Dom0 build into PV and PVHv2

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/10/2016 07:54, Jan Beulich wrote:
>>>> On 03.10.16 at 12:09, <roger.pau@xxxxxxxxxx> wrote:
>> I've added the following patch to my queue, in order to allow the user to 
>> select whether they want to use HAP or shadow, I've tested it locally and 
>> there seems to be no issues in building a PVHv2 Dom0 using shadow.
> Hmm, two remarks: For one, I'm not convinced of the need to move
> the definition. It being where it is now allows the string literal to be
> discarded post boot. And considering that the option has presumably
> been broken for PV for a long time and was never working for PVHv1,
> I'm also unconvinced using it (and hence retaining its existence) is a
> good idea - I'd much rather see "dom0hvm=hap" and
> "dom0hvm=shadow" supported along with the booleans which can
> be given to it right now.

We already have a large number of dom0$foo options which are
inconsistent with underscores or no word breaks.

Could we introduce a dom0= instead and run it like the existing iommu=
to avoid gaining any new top level dom0$foo options?

~Andrew

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