Re: [Xen-devel] [PATCH 8/9] x86/rtc: replace paravirt_enabled() check with subarch check

From: Luis R. Rodriguez
Date: Mon Feb 22 2016 - 18:12:40 EST


On Mon, Feb 22, 2016 at 09:34:26AM -0500, Boris Ostrovsky wrote:
> On 02/22/2016 05:27 AM, Borislav Petkov wrote:
> >On Mon, Feb 22, 2016 at 07:07:56AM +0100, Luis R. Rodriguez wrote:
> >>diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
> >>index 1ae89a2721d6..fe0d579b63e3 100644
> >>--- a/arch/x86/include/asm/x86_init.h
> >>+++ b/arch/x86/include/asm/x86_init.h
> >>@@ -84,11 +84,14 @@ struct x86_init_paging {
> >> * boot cpu
> >> * @timer_init: initialize the platform timer (default PIT/HPET)
> >> * @wallclock_init: init the wallclock device
> >>+ * @no_cmos_rtc: set when platform has no CMOS real-time clock
> >>+ * present
> >> */
> >> struct x86_init_timers {
> >> void (*setup_percpu_clockev)(void);
> >> void (*timer_init)(void);
> >> void (*wallclock_init)(void);
> >>+ bool no_cmos_rtc;
> >I'd add
> >
> > u64 flags;
> >
> >to x86_init_ops and then set X86_PLATFORM_NO_RTC or so in there. The
> >reason being, others could use that flags field too, for other stuff and
> >define more bits.
>
> Maybe timer_flags or platform_flags (or something else) to be a
> little more cscope-friendly?

Sure, I'll go with platform_flags on x86_init_ops. Will repost a new
series after 0-day testing.

Luis