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

From	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Newsgroups	linux.kernel
Subject	Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq descriptors during CPU up/down (again)
Date	2016-08-11 16:20 +0200
Message-ID	<s4YZX-4Uf-11@gated-at.bofh.it> (permalink)
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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

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Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-11 15:00 +0200
  Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-08-11 15:30 +0200
    Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-08-11 16:20 +0200
      Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-11 16:40 +0200
        Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-08-11 16:50 +0200
          Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-11 17:10 +0200
            Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-08-11 17:20 +0200
    Re: [tip:smp/hotplug] cpu/hotplug: Prevent alloc/free of irq  descriptors during CPU up/down (again) Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-11 16:20 +0200

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