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.ostrov...@oracle.com>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: "H. Peter Anvin" <h...@zytor.com>
> Cc: x...@kernel.org
> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
> Cc: Bjorn Helgaas <bhelg...@google.com>
> Cc: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
> Cc: Julien Grall <julien.gr...@citrix.com>
> Cc: Vitaly Kuznetsov <vkuzn...@redhat.com>
> Cc: Paul Gortmaker <paul.gortma...@windriver.com>
> Cc: Ross Lagerwall <ross.lagerw...@citrix.com>
> Cc: xen-de...@lists.xenproject.org
> Cc: linux-ker...@vger.kernel.org
> Cc: linux-...@vger.kernel.org
> Cc: Anthony Liguori <aligu...@amazon.com>
> Cc: KarimAllah Ahmed <karah...@amazon.de>
> Signed-off-by: Juergen Gross <jgr...@suse.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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