Re: [stable-4.9: PATCH] xen: revert commit 72a9b186292

[Boris Ostrovsky]

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