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Subject: Re: [stable-4.9: PATCH] xen: revert commit 72a9b186292
To: Greg KH <greg@kroah.com>, Juergen Gross <jgross@suse.com>
References: <20170413130653.5183-1-jgross@suse.com>
 <20170414091720.GB6372@kroah.com>
Cc: stable@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Date: Fri, 14 Apr 2017 09:58:54 -0400
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On 04/14/2017 05:17 AM, Greg KH wrote:
> On Thu, Apr 13, 2017 at 03:06:53PM +0200, Juergen Gross wrote:
>> Revert commit 72a9b186292 ("xen: Remove event channel notification
>> through Xen PCI platform device") as the original analysis was wrong
>> that all the removed code isn't in use any more.
>>
>> It is still necessary for old Xen versions (< 4.0) and for being able
>> to run the Linux kernel as dom0 in a nested Xen environment.
> What is the commit id of this revert in Linus's tree?

It hasn't been reverted in Linus tree yet --- there were some changes in
Xen code in 4.11 that make the revert not a mechanical operation and we
are somewhat hesitant to have a patch this late in the release cycle.

-boris