Re: [PATCH 3/4] PF: Provide additional direct page notification

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On 10/07/13 12:39, Alexander Graf wrote:
> 
> On 09.07.2013, at 18:01, Christian Borntraeger wrote:
> 
>> On 09/07/13 15:56, Dominik Dingel wrote:
>>> By setting a Kconfig option, the architecture can control when
>>> guest notifications will be presented by the apf backend.
>>> So there is the default batch mechanism, working as before, where the vcpu thread
>>> should pull in this information. On the other hand there is now the direct
>>> mechanism, this will directly push the information to the guest.
>>>
>>> Still the vcpu thread should call check_completion to cleanup leftovers,
>>> that leaves most of the common code untouched.
>>>
>>> Signed-off-by: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
>>
>> Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> 
>> for the "why". We want to use the existing architectured interface.
> 
> Shouldn't this be a runtime option?

This is an a) or b) depending on the architecture. So making this a kconfig
option is the most sane approach no?

Christian

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