| Date | Mon, 6 Jul 2020 22:50:04 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3 04/20] lockdep: Add preemption enabled/disabled assertion APIs |
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On Tue, Jun 30, 2020 at 07:44:36AM +0200, Ahmed S. Darwish wrote: > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index d74ac0fd6b2d..e5e2e632b749 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -1118,6 +1118,7 @@ config PROVE_LOCKING > select DEBUG_RWSEMS > select DEBUG_WW_MUTEX_SLOWPATH > select DEBUG_LOCK_ALLOC > + select PREEMPT_COUNT if !ARCH_NO_PREEMPT > select TRACE_IRQFLAGS > default n > help
I suspect this can be done unconditional, the thing that requires arch support is CONFIG_PREEMPTION.
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