Re: the stuttering regression in 7.0: should I have done something different

From: Thomas Gleixner

Date: Fri May 15 2026 - 11:42:58 EST


Tony!

On Thu, May 14 2026 at 21:47, Tony Rodriguez wrote:
> I’ve completed validation with the v7.0.7 release and v7.1‑rc3 on both
> S7‑2 and T7‑1 systems. Everything looks good.

Cool!

> Thank you again for the debugging guidance and for the feedback on my
> original patch addressing the timer starvation issue. It was a pleasure
> contributing to the resolution.

Thank you for going through the hassle of chasing it down and providing
the debug data to analyze it.

I'm still puzzled how this went unnoticed for almost two decades:

112f48716d9f ("[SPARC64]: Add clocksource/clockevents support.")

> PS: I agree that the second patch we discussed isn’t needed—the systems
> run correctly without it. The following patch alone is sufficient:

I assume this patch will surface on a mailing list with a lengthy change
log full of details and find it's way into the sparc tree through the
usual channels.

Thanks,

tglx