Re: [PATCH 1/3] timekeeping: NMI safe converter from a given time to monotonic

From: Thomas Gleixner
Date: Tue Jan 24 2023 - 03:52:06 EST


On Mon, Jan 23 2023 at 10:27, kan liang wrote:
> From: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
>
> It's useful to provide a NMI safe function to convert a given time to
> monotonic. For example, the perf_event subsystem wants to convert a TSC
> of a PEBS record to a monotonic clock in a NMI handler.

Why? That's a postprocessing problem, really.

Thanks,

tglx