On Fri, 14 Apr 2017, Ingo Molnar wrote:

> 
> * Alexandre Belloni <alexandre.bell...@free-electrons.com> wrote:
> 
> > Hi,
> > 
> > On 08/04/2017 at 23:03:27 +0200, Hans de Goede wrote:
> > > The classic PC rtc-coms driver has a workaround for broken ACPI device
> > > nodes for it which lack an irq resource. This workaround used to
> > > unconditionally hardcode the irq to 8 in these cases.
> > > 
> > > This was causing irq conflict problems on systems without a legacy-pic
> > > so a recent patch added an if (nr_legacy_irqs()) guard to the
> > > workaround to avoid this irq conflict.
> > > 
> > > nr_legacy_irqs() uses the legacy_pic symbol under the hood causing
> > > an undefined symbol error if the rtc-cmos code is build as a module.
> > > 
> > 
> > This is kind of a pressing issue as this makes linux-next fail to build
> > for certain configurations.
> > 
> > I can carry it in my tree with your ack or let you apply it for 4.12.
> > What would you prefer?
> 
> Unless Thomas objects it looks good to me and feel free to carry it in your 
> tree:
> 
> Acked-by: Ingo Molnar <mi...@kernel.org>

Acked-by: Thomas Gleixner <t...@linutronix.de>

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