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Re: [RFC][PATCH] lockdep: WARN about local_irq_{en,dis}able in NMI context

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From: David Miller
Subject: Re: [RFC][PATCH] lockdep: WARN about local_irq_{en,dis}able in NMI context
Date: Tuesday, April 6, 2010 - 4:22 am

From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 06 Apr 2010 13:20:19 +0200


Yes, f.e. you could add local_irq_*_nmi() or similar that don't
complain when called inside of an NMI.

I would certainly welcome this debugging facility, for sure!

It would have saved me two days of work this time, in fact.


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Random scheduler/unaligned accesses crashes with perf lock ..., Frederic Weisbecker, (Sun Apr 4, 5:18 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Frederic Weisbecker, (Sun Apr 4, 5:21 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Sun Apr 4, 6:00 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., Frederic Weisbecker, (Sun Apr 4, 11:57 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Mon Apr 5, 12:22 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., Frederic Weisbecker, (Mon Apr 5, 12:40 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Mon Apr 5, 1:46 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Mon Apr 5, 7:15 pm)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Tue Apr 6, 2:50 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Frederic Weisbecker, (Tue Apr 6, 3:19 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Tue Apr 6, 3:28 am)
[RFC][PATCH] lockdep: WARN about local_irq_{en,dis}able in ..., Peter Zijlstra, (Tue Apr 6, 4:12 am)
Re: [RFC][PATCH] lockdep: WARN about local_irq_{en,dis}abl ..., David Miller, (Tue Apr 6, 4:13 am)
Re: [RFC][PATCH] lockdep: WARN about local_irq_{en,dis}abl ..., Peter Zijlstra, (Tue Apr 6, 4:20 am)
Re: [RFC][PATCH] lockdep: WARN about local_irq_{en,dis}abl ..., David Miller, (Tue Apr 6, 4:22 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Frederic Weisbecker, (Tue Apr 6, 4:38 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Peter Zijlstra, (Tue Apr 6, 4:51 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Mike Galbraith, (Tue Apr 6, 5:54 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Peter Zijlstra, (Tue Apr 6, 5:57 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Steven Rostedt, (Tue Apr 6, 6:41 am)
[No subject], David Miller, (Tue Apr 6, 10:46 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Paul E. McKenney, (Tue Apr 6, 11:04 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., Steven Rostedt, (Tue Apr 6, 11:15 am)
Re: Random scheduler/unaligned accesses crashes with perf ..., David Miller, (Tue Apr 6, 2:17 pm)