Subject: Re: context switch within RCU read-side critical section in next-20260518+ with PREEMPT_RT

From: Sebastian Andrzej Siewior <[email-masked]>
Date: Thu, 21 May 2026 11:08:35 +0200

On 2026-05-21 10:53:03 [+0200], Mateusz Guzik wrote:
> them in place, but when I was rebasing on top of the RCU-ifing commit I
> figured I'm going to do guard/scoped_guard in there as well. Later it
> started failing as the compiler did not like goto retry out of a scoped
> guard area and the unlocks did not come back.

futex_hash_allocate() has a scoped_guard a goto to again. In case it
helps.

Sebastian