Re: [Xen-devel] [RFC] Extending numbers of event channels

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2012-12-03 at 16:29 +0000, Wei Liu wrote:
> Hi all
> 
> There has been discussion on extending number of event channels back in
> September [0].

While we are changing the ABI anyway, it would be nice to consider the
possibility for some small-ish number of per-vcpu evtchns.

These would potentially be useful for things like IPI vectors and such
which every vcpu has.

e.g. reusing the per-vcpu space in evtchn_pending_sel would give 32 or
64 which would be more than sufficient.

Ian.



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