Re: [Xen-devel] What's the function of evtchn

["tiejun.chen" <tiejun.chen@xxxxxxxxxxxxx>]

ææå <Chunqi Li> wrote:
> Hi all,
> I'm reading some code of Xen-4.0-unstable and I occurred some obstacle when
> reading xen-unstable\unmodified_drivers\linux-2.6\platform-pci\evtchn.c. I
> don't exactly know what evtchn is, so I can't understand some of the code.
> I search evtchn in google but get few information.
> 
> Can anyone help? Thanks.

Xen implements one asynchronous event communication mechanism, Event Channel.
Its used to communicated between Xen hypervisor and Domain, or between Domain
and Domain.

Tiejun

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