[PATCH 0/2] rcutorture: Some PREEMPT_RT fixlets

[Valentin Schneider]

Hi folks,

I've been meaning to run RCU torture under v5.13-rt1 to validate my hacking
around the RCU offloaded state [1], but have hit some warnings.


The second patch clearly isn't a thing of beauty, but FWIW it lets me run RCU
torture tests without any extra steps.

As mentioned over IRC, this started as a .setup() callback for the kosftirqd
threads gated behind CONFIG_RCU_BOOST && CONFIG_RCU_TORTURE_TEST, but I figured
keeping RCU torture specific stuff within rcutorture.c would be a tad smarter.
I hate either version, but here it is regardless.

[1]: https://lore.kernel.org/lkml/20210728220137.GD293265@lothringen/

Cheers,
Valentin

Valentin Schneider (2):
  rcutorture: Don't disable softirqs with preemption disabled when
    PREEMPT_RT
  rcutorture: Nudge ksoftirqd priority for RCU boost testing

 kernel/rcu/rcutorture.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

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2.25.1