Re: [Xen-devel] [PATCHv1] x86: rtc_cmos platform device requires legacy irqs

From: Thomas Gleixner
Date: Tue Dec 08 2015 - 16:03:53 EST


On Fri, 4 Dec 2015, David Vrabel wrote:
> On 04/12/15 14:06, David Vrabel wrote:
> > On 03/12/15 10:43, David Vrabel wrote:
> >> Adding the rtc platform device when there are no legacy irqs (no
> >> legacy PIC) causes a conflict with other devices that end up using the
> >> same irq number.
> >
> > An alternative is to remove the rtc_cmos platform device in Xen PV
> > guests.
> >
> > Any preference on how this regression should be fixed?
> >
> > David
> >
> > 8<--------------------------
> > x86: Xen PV guests don't have the rtc_cmos platform device
> >
> [...]
> > --- a/arch/x86/kernel/rtc.c
> > +++ b/arch/x86/kernel/rtc.c
> > @@ -200,6 +200,9 @@ static __init int add_rtc_cmos(void)
> > }
> > #endif
> >
> > + if (xen_pv_domain())
> > + return -ENODEV;
> > +
>
> Note there's a missing include that breaks !XEN builds.

What's the state of this?
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