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Re: [Qemu-devel] [PATCH v2 2/3] Add event notification for guest balloon

From: Amit Shah
Subject: Re: [Qemu-devel] [PATCH v2 2/3] Add event notification for guest balloon changes
Date: Tue, 22 May 2012 01:14:59 +0530

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'

> +----------

similarly, this can be BALLOON_CHANGED


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