Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq descriptors during CPU up/down (again)

From: Boris Ostrovsky
Date: Thu Aug 11 2016 - 10:12:20 EST


On 08/11/2016 09:20 AM, Sebastian Andrzej Siewior wrote:
> On 2016-08-11 08:53:31 [-0400], Boris Ostrovsky wrote:
>> Since this patch requires
>> http://marc.info/?l=xen-devel&m=147024499722041&w=2 it may be better to
>> take it via Xen tree.
>
> Why are you adding more register_cpu_notifier() users?


Are you asking why this is not using new hotplug infrastructure?

This should indeed be done but not as part of this series. Here we are
solving a specific problem and part of this is allowing PV guests use
the same notifier that HVM guests already do.


-boris