Re: [PATCH 3/4] PF: Provide additional direct page notification
From: Christian Borntraeger
Date: Wed Jul 10 2013 - 06:49:31 EST
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/