Re: [PATCH v3 2/3] virtio-balloon: improve update_balloon_size_func

[Wei Wang]

On 01/15/2019 09:00 AM, Michael S. Tsirkin wrote:
> On Mon, Jan 07, 2019 at 03:01:05PM +0800, Wei Wang wrote:
> > There is no need to update the balloon actual register when there is no
> > ballooning request. This patch avoids update_balloon_size when diff is 0.
> >
> > Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx>
> > Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
> > Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx>
> It sounds reasonable but it does have a side effect of
> not writing into actual anymore.
>
> I am not sure actual never can get out of sync as a result.
>
> So better deferred, pls send this in the next merge window.

No problem, it's not urgent to me.

Best,
Wei