Re: suspicious RCU usage on 4.4-rc2 ARM platform

From: Russell King - ARM Linux
Date: Tue Nov 24 2015 - 11:40:31 EST


On Tue, Nov 24, 2015 at 04:27:50PM +0000, Juri Lelli wrote:
> I'm hitting these splats while running simple hotplug tests on an ARM
> TC2 platform. The following seems to cure it, but I don't think it never
> made it to mainline:

It looks like it's because of the way we take CPUs offline. It's a
known problem, one which is not simple to resolve.

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