Re: [Xen-devel] [PATCH 1/2] pvh: clearly specify used parameters in vcpu_guest_context

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.11.13 at 10:18, Roger Pau MonnÃ<roger.pau@xxxxxxxxxx> wrote:
> On 19/11/13 17:53, Jan Beulich wrote:
>>>>> On 19.11.13 at 17:42, Roger Pau MonnÃ<roger.pau@xxxxxxxxxx> wrote:
>>> Trying to make all those fields functional on PVH (or HVM) is quite
>>> useless IMHO, it's going to add more code that I doubt anyone is going
>>> to use when you can instead use the bare metal functions to set all
>>> those things (and from an OS point of view it's also more comfortable
>>> because you need less Xen specific stuff).
>> 
>> That last part I certainly agree to, but that would apply to CR0
>> and CR4 just as much.
> 
> I've removed the usage of anything that's not strictly necessary in 
> order to do AP bringup, so I've removed the setting of debugregs:

You can't - this code is also used for HVM guests.

Jan

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