On Wed, Feb 18, 2015 at 10:11 AM, Konrad Rzeszutek Wilk
<konrad.w...@oracle.com> wrote:
> On Tue, Feb 17, 2015 at 11:31:08AM -0800, Luis R. Rodriguez wrote:
>> On Mon, Feb 16, 2015 at 11:26 PM, Juergen Gross <jgr...@suse.com> wrote:
>> > On 02/17/2015 01:25 AM, Luis R. Rodriguez wrote:
>> >>
>> >> On Mon, Feb 16, 2015 at 4:20 PM, Luis R. Rodriguez
>> >> <mcg...@do-not-panic.com> wrote:
>> >>>
>> >>> As it is per our agreed upon changes we can in theory enable a
>> >>> XEN_PVHVM system without XEN_PV or XEN_PVH. If this is indeed
>> >>> desirable this poses an issue at build time
>> >>
>> >>
>> >> And this also raises the question of whether or not we should make
>> >> XEN_PVHVM a user selectable option, right now it is a def_bool and is
>> >> therefore not human selectable. You can implicitly disable it by
>> >> disabling PCI for example though. If we want that to be exposed to the
>> >> user we can then enable some description of what that means, and the
>> >> user will then be able to read / select / enable XEN_PV., XEN_PVHVM,
>> >> XEN_PVH. Right now they'd only be able to select XEN_PV and/or
>> >> XEN_PVH, XEN_PVHVM is implicit.
>> >
>> >
>> > I think making XEN_PVHVM user selectable is okay.
>>
>> OK I'll enable this then.
>
> Please don't. We had bugs in the past because distros did not select
> it (they made it an module) and the PV drivers were not loaded.

Oy vey.

> There should be an history in the git tree behind the desire to make
> it non selectable.

OK how about we enable the user selection only under CONFIG_EXPERT,
otherwise make it hidden.

 Luis

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