Re: [Xen-devel] [PATCH 0 of 2] Mem event ring management overhaul

[Olaf Hering <olaf@xxxxxxxxx>]

On Tue, Dec 06, Andres Lagar-Cavilla wrote:

> If the request comes from the guest itself, and it requires
> paging_populate (!= p2m_query), the event is guaranteed to be put in the
> ring, and then the vcpu goes to sleep.
> 
> Easy-peasy

If everything were so easy. ;-)

I will try to combine your patch with my paging waitqueue change.
Perhaps your change should disallow paging if max_cpus is larger than
RING_SIZE().


Olaf

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