Re: [PATCH v3 17/41] x86/tsc: WARN if TSC sched_clock save/restore used with PV sched_clock

From: David Woodhouse

Date: Wed May 20 2026 - 18:28:18 EST


On Fri, 2026-05-15 at 12:19 -0700, Sean Christopherson wrote:
> Now that all PV clocksources override the sched_clock save/restore hooks
> when overriding sched_clock, WARN if the "default" TSC hooks are invoked
> when using a PV sched_clock, e.g. to guard against regressions.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>

Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>

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