Re: [PATCH v3 38/41] x86/paravirt: kvmclock: Setup kvmclock early iff it's sched_clock

[David Woodhouse]

On Fri, 2026-05-15 at 12:19 -0700, Sean Christopherson wrote:
> Rework the seemingly generic x86_cpuinit_ops.early_percpu_clock_init hook
> into a dedicated PV sched_clock hook, as the only reason the hook exists
> is to allow kvmclock to enable its PV clock on secondary CPUs before the
> kernel tries to reference sched_clock, e.g. when grabbing a timestamp for
> printk.
> 
> Rearranging the hook doesn't exactly reduce complexity; arguably it does
> the opposite.  But as-is, it's practically impossible to understand *why*
> kvmclock needs to do early configuration.
> 
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

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