Re: [PATCH v3] printk: fix zero-valued printk timestamps in early boot

Thomas Gleixner
2026-03-28T15:56:08Z

On Fri, Mar 13 2026 at 11:45, Petr Mladek wrote:
> [ 9.296302] cpuidle: using governor menu
>
> Here the thermal governors are registered. I guess that they might
> reduce speed of some HW.

No. The frequency of the TSC and KVM clock are stable. For TSC that's
only true for CPUs which have X86_FEATURE_CONSTANT_TSC set, which is the
case for every x86 CPU shipped in the last 20 years.

Thanks,

tglx