Re: [BUG] "sched: Remove rq->lock from the first half of ttwu()" locksup on ARM

[Nicolas Pitre]

On Fri, 27 May 2011, Ingo Molnar wrote:

> I'd suggest doing this once modern ARM chips get so widespread that 
> you can realistically induce a ~700 usecs irqs-off delays on old, 
> virtual-cache ARM chips. Old chips would likely use old kernels 
> anyway, right?

Those "old" ARM chips are still largely produced and fitted in new 
designs, and using latest kernels.  They are unlikely to fade away 
before a couple years.


Nicolas
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