Re: [PATCH] xen/balloon: fix cancelled balloon action

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@vger.kernel.org Fixes: 8480ed9c2bbd56 ("xen/balloon: use a kernel thread instead a workqueue") Reported-by: Marek Marczykowski-Górecki marmarek@invisiblethingslab.com Signed-off-by: Juergen Gross jgross@suse.com

Reviewed-by: Boris Ostrovsky boris.ostrovsky@oracle.com