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Date: Fri, 5 May 2017 10:55:27 -0700
From: Greg KH <greg@...ah.com>
To: Juergen Gross <jgross@...e.com>
Cc: stable@...r.kernel.org,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Stefano Stabellini <stefano.stabellini@...citrix.com>,
Julien Grall <julien.grall@...rix.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
Ross Lagerwall <ross.lagerwall@...rix.com>,
xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, Anthony Liguori <aliguori@...zon.com>,
KarimAllah Ahmed <karahmed@...zon.de>
Subject: Re: [stable-4.9: PATCH] xen: revert commit 72a9b186292
On Fri, May 05, 2017 at 09:59:15AM +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.
>
> Upstream commit is 84d582d236dc1f9085e741affc72e9ba061a67c2.
>
> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: x86@...nel.org
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: Stefano Stabellini <stefano.stabellini@...citrix.com>
> Cc: Julien Grall <julien.grall@...rix.com>
> Cc: Vitaly Kuznetsov <vkuznets@...hat.com>
> Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
> Cc: Ross Lagerwall <ross.lagerwall@...rix.com>
> Cc: xen-devel@...ts.xenproject.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-pci@...r.kernel.org
> Cc: Anthony Liguori <aliguori@...zon.com>
> Cc: KarimAllah Ahmed <karahmed@...zon.de>
> Signed-off-by: Juergen Gross <jgross@...e.com>
> ---
> Please apply to stable-4.9.y
> ---
> arch/x86/include/asm/xen/events.h | 11 +++++++
> arch/x86/pci/xen.c | 2 +-
> arch/x86/xen/enlighten.c | 21 +++++++++----
> arch/x86/xen/smp.c | 2 ++
> arch/x86/xen/time.c | 5 +++
> drivers/xen/events/events_base.c | 26 ++++++++++------
> drivers/xen/platform-pci.c | 64
> +++++++++++++++++++++++++++++++++++++++
Yup, also linewrapped :(
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