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

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Message-ID: <573F8C0A.4050702@amazon.com>
Date:	Fri, 20 May 2016 15:13:30 -0700
From:	Munehisa Kamata <kamatam@...zon.com>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<david.vrabel@...rix.com>
CC:	<xen-devel@...ts.xenproject.org>, <linux-kernel@...r.kernel.org>,
	<stable@...r.kernel.org>, Matt Wilson <msw@...zon.com>
Subject: Re: [Xen-devel][PATCH] xen/events: don't migrate disabled IRQs

I somehow overlooked the patch. It looks just the same as our change. Thank you for pointing out.

Regards,
Munehisa

On 5/20/2016 2:32 PM, Boris Ostrovsky wrote:
> 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
> 
> 
>