[Xen-devel] Re: [RFC] implement "trap-process-return"-like behavior with grant ring + evtchn

[Wei Liu <liuw@xxxxxxxxx>]

On Thu, Jun 23, 2011 at 3:42 PM, Ian Campbell
<Ian.Campbell@xxxxxxxxxxxxx> wrote:
> If you cannot sleep in the context these activities are happening in
> then I think you can use the evtchn poll hypercall to block until the
> evtchn is triggered

I looked through do_event_channel_op and didn't see a polling
operation. Which hypercall are you referring to?

Thanks.

Wei.

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