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xen-devel
Re: [Xen-devel] [PATCH] Register watches for frontend features.
On 07/09/2010 05:53 AM, Paul Durrant wrote:
> Realistically, with a Windows frontend, the only ones that are going to
> change dynamically are gso_prefix and csum. I can 'de-watch' the others, if
> you'd prefer.
> As for locking, it's not clear to me how fatal getting
> netbk_max_required_rx_slots wrong is. However, losing or gaining
> gso/gso_prefix part way through a receive is not going to be good so I thing
> some double buffering is probably called for. I'll re-work the patch
> accordingly.
>
Yes. Given that those are guest-controlled, dom0 needs to be very
careful in how it handles them.
J
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