Messages in this thread | | | Subject | Re: [v4.14-rt][report] arm: just another rcu_note_context_switch | From | Grygorii Strashko <> | Date | Fri, 16 Feb 2018 12:26:36 -0600 |
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On 02/16/2018 05:30 AM, Sebastian Andrzej Siewior wrote: > On 2018-02-14 16:12:42 [-0600], Grygorii Strashko wrote: >> Hi All, > Hi, > >> I can see below warning during boot on few TI boards am437x-idk, am335x-evm, am335x-ice >> All of them are non-SMP > > I somehow missed the !SMP kernel… What about this: > > Subject: [PATCH] RCU: skip the "schedule() in RCU section" warning on UP, too > > In "RCU: we need to skip that warning but only on sleeping locks" we > skipped a warning on SMP systems in case we schedule out in a RCU > section while attempt to obtain a sleeping lock. This is also required > on UP systems. > In order to do so, I introduce a tiny version of migrate_disable() + > _enable() which only update the counters which we then can check against > on RT && !SMP. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> > ---
Thanks. I do not see errors any more. Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
-- regards, -grygorii
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