Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH 0/3] sched: migrate_disable() vs per-CPU access safety checks | Date | Tue, 27 Jul 2021 21:45:07 +0200 |
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On Wed, Jul 21 2021 at 12:51, Valentin Schneider wrote: > Hi folks, > > I've hit a few warnings when taking v5.13-rt1 out for a spin on my arm64 > Juno. Those are due to regions that become preemptible under PREEMPT_RT, but > remain safe wrt per-CPU accesses due to migrate_disable() + a sleepable lock. > > This adds a helper that looks at not just preemptability but also affinity and > migrate disable, and plasters the warning sites.
Nice!
I just pulled that into the RT queue and it will show up with the next release.
Thanks,
tglx
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