Re: [PATCH v3 02/41] x86/tsc: Add helper to register CPU and TSC freq calibration routines

[Sean Christopherson]

On Mon, May 18, 2026, David Woodhouse wrote:
> On Fri, 2026-05-15 at 12:19 -0700, Sean Christopherson wrote:
> > 
> > --- a/arch/x86/xen/time.c
> > +++ b/arch/x86/xen/time.c
> > @@ -569,7 +569,7 @@ static void __init xen_init_time_common(void)
> >  	static_call_update(pv_steal_clock, xen_steal_clock);
> >  	paravirt_set_sched_clock(xen_sched_clock);
> >  
> > -	x86_platform.calibrate_tsc = xen_tsc_khz;
> > +	tsc_register_calibration_routines(xen_tsc_khz, NULL);
> >  	x86_platform.get_wallclock = xen_get_wallclock;
> >  }
> >  
> 
> xen_tsc_khz() doesn't use CPUID but really *should*.
> 
> Care to pull in
> https://lore.kernel.org/all/20260509224824.3264567-31-dwmw2@xxxxxxxxxxxxx/
> to your next round please?
> 
> (Without the misplaced changes in kvm/x86.c that should have been in
> two different prior commits, and are now folded into those correctly in
> my kvmclock5 branch ready for the next posting of that).

Ya, will do.  What's one more patch...