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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.11.13 at 10:37, Roger Pau MonnÃ<roger.pau@xxxxxxxxxx> wrote:
> On 20/11/13 10:28, Jan Beulich wrote:
>>>>> 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.
> 
> Yes, my fault, I erroneously thought this was introduced by 35b1e076,
> but it has been there longer than that. Would you agree to a patch
> similar to the one posted, but without touching the setting of debugregs?

Yes, if Mukesh and George confirm that this is not going to break
things.

Jan

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