On 10/5/21 9:34 AM, Juergen Gross wrote:
> In case a ballooning action is cancelled the new kernel thread handling
> the ballooning might end up in a busy loop.
>
> Fix that by handling the cancelled action gracefully.
>
> While at it introduce a short wait for the BP_WAIT case.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 8480ed9c2bbd56 ("xen/balloon: use a kernel thread instead a workqueue")
> Reported-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
