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Re: [Qemu-devel] [PATCH v2 2/3] Add event notification for guest balloon
Daniel P. Berrange
Re: [Qemu-devel] [PATCH v2 2/3] Add event notification for guest balloon changes
Mon, 21 May 2012 20:50:55 +0100
On Tue, May 22, 2012 at 01:14:59AM +0530, Amit Shah wrote:
> On (Mon) 21 May 2012 [17:59:52], Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <address@hidden>
> > After setting a balloon target value, applications have to
> > continually poll 'query-balloon' to determine whether the
> > guest has reacted to this request. The virtio-balloon backend
> > knows exactly when the guest has reacted though, and thus it
> > is possible to emit a JSON event to tell the mgmt application
> > whenever the guest balloon changes.
> > This introduces a new 'qemu_balloon_change()' API which is
> I prefer qemu_balloon_changed(), it is clearer that this is called
> after a balloon value change. qemu_balloon_change() can be taken to
> mean the function is called as a response the the monitor 'balloon'
Happy to change this.
> > +BALLOON_CHANGE
> > +----------
> similarly, this can be BALLOON_CHANGED
For the sake of consistency with the existing RTC_CHANGE event, I prefer
the naming I already have.
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