Re: [PATCH] x86/tsc: Add debugfs entry to mark TSC as unstable after boot

[Guilherme G. Piccoli]

On 26/02/2025 10:27, Guilherme G. Piccoli wrote:
> Right now, we can force the TSC to be marked as unstable through
> boot parameter. There are debug / test cases though in which would
> be preferable to simulate the clocksource watchdog behavior, i.e.,
> marking TSC as unstable during the system run. Some paths might
> change, for example: the tracing clock is auto switched to global
> if TSC is marked as unstable on boot, but it could remain local if
> TSC gets marked as unstable after tracing initialization.
> 
> Hence, the proposal here is to have a simple debugfs file that
> gets TSC marked as unstable when written.
> 
> Signed-off-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxx>
> ---
>  arch/x86/kernel/tsc.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)

Hi folks, gentle ping about this one - any suggestions?
Cheers,


Guilherme