konrad.wilk at oracle
Aug 12, 2013, 6:27 AM
Post #3 of 3
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Re: How dom0 send notifications to domu with best performance
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On Sun, Aug 11, 2013 at 10:12:08AM -0400, Steven Maresca wrote:
> Mina,
>
> Recommended checking out libvchan. Example code is not in tools/libvchan --
> see also qubes os.
.. which you can use to create a memory region that is seen by both guests
and you can create a semaphore on it. It even has the tools to advertise
that one of the bytes will cause an event - so if one of the guests
writes to it - the other end is instantly notified.
>
> Steve
> On Aug 11, 2013 1:25 AM, "Mina Jafari" <ai.minajafari [at] gmail> wrote:
>
> > Hi,
> > How can dom0 send notifications to domu as some events happens(events are
> > not hardware related). I know it can be done using event channel or through
> > networking. Is there any other way? and which has the best
> > performance?Performance really matters for my purpose.
> >
> > Thanks
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel [at] lists
> > http://lists.xen.org/xen-devel
> >
> >
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