Dor Laor wrote:
> Furthermore,
>
>> the plan is to completely rearchitect the netback/netfront protocol for
>> the next Xen release (this effort is referred to netchannel2).
>>
>
> But isn't Jeremy Fitzhardinge is pushing big patch queue into the
> kernel?
>
Yes, but it's not in the kernel yet and there's no guarantee it'll get
there in time for KVM's consumption.
> If we manage to plant hooks into the netback/front for using net_ops,
> they and the code will get into the kernel they will be have to keep the
> hooks for netchannel2.
>
>
>> See some of the XenSummit slides as to why this is necessary.
>>
>
> It's looks like generalizing all the level 0,1,2 features plus
> performance optimizations. It's not something we couldn't upgrade to.
>
I'm curious what Rusty thinks as I do not know nearly enough about the
networking subsystem to make an educated statement here. Would it be
better to just try and generalize netback/netfront or build something
from scratch? Could the lguest driver be generalized more easily?
Regards,
Anthony LIguori
>> Regards,
>>
>> Anthony Liguori
>>
>>
>>> It is optimized, and support tso.
>>> By adding a generic ops calls we can make enjoy all the above.
>>>
>>> Using Xen's core PV code doesn't imply that we will have their
>>>
> interface
>
>>> {xenstore} the interface creation and tear-down would be kvm
>>>
> specific.
>
>>> They could even have a plain directory structure.
>>>
>>>
>>>
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