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

Nicolas Pitre
2011-05-27T19:41:53Z

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