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Re: [Xen-devel] [PATCH] xen/events: don't migrate disabled IRQs

To: Munehisa Kamata <kamatam@xxxxxxxxxx>, david.vrabel@xxxxxxxxxx
From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Date: Fri, 20 May 2016 17:32:12 -0400
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Matt Wilson <msw@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
Delivery-date: Fri, 20 May 2016 21:32:54 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 05/20/2016 05:22 PM, Munehisa Kamata wrote:
> Commit ff1e22e7a638 ("xen/events: Mask a moving irq") introduced
> a crash below. This can be triggered after being resumed from suspend
>  (e.g. live migration) if there are disabled IRQs with
> IRQD_SETAFFINITY_PENDING set.

A patch just like this has been submitted recently
(http://lists.xenproject.org/archives/html/xen-devel/2016-05/msg00956.html)
and should go in soon.

Thanks.
-boris




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