Re: cpu_clock() in NMIs

[David Miller]

From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Mon, 14 Dec 2009 20:32:50 +0100

> OK, you convinced me plenty ;-)
> 
> I guess we need some debug code to ensure we don't grow any
> local_irq_save/restore/disable code in NMI paths, and maybe document
> this some place.
> 
> Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

Ingo and others.  I'd like to get this kernel/sched_clock.c IRQ
disabling patch into Linus's tree and then into -stable because the
fix for sparc64 perf depends upon it.

Thanks.
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