[RFC PATCH v2 0/2] ARM: MPIDR linearization

Lorenzo Pieralisi lorenzo.pieralisi at arm.com
Wed Jun 12 05:07:30 EDT 2013


On Tue, Jun 11, 2013 at 05:48:53PM +0100, Stephen Warren wrote:
> On 06/11/2013 10:22 AM, Lorenzo Pieralisi wrote:
> > Hi Stephen,
> > 
> > On Tue, Jun 11, 2013 at 04:56:43PM +0100, Stephen Warren wrote:
> >> On 06/11/2013 03:58 AM, Lorenzo Pieralisi wrote:
> >>> Hi Russell, all,
> >>>
> >>> even though I think this set is ready to get merged, it would be great
> >>> if we can test it on as many platforms as possible since it touches core
> >>> suspend/resume operations on ARM platforms relying on CONFIG_ARM_CPU_SUSPEND,
> >>> and there are many.
> >>
> >> FWIW, I booted a Tegra system with these patches applied and didn't see
> >> any issue in very brief testing. I'm not sure what targeted testing
> >> would be useful?
> > 
> > That's great thanks. CPUidle deep C-states (when CPUs resume from reset
> > through cpu_resume) are the main triggers of this code, so you should be
> > running with them enabled to test it.
> 
> OK, in that case I believe I tested that; I had our "LP2" CPU
> power-management mode enabled as always, and that powers off the CPUs
> and resumes them, and didn't see any issue.

Great, thanks, I guess this also means you did not notice any suspicious
warnings at boot (ie "Large number of MPIDR hash buckets detected").

Can I add your tested-by please ?

Thanks a lot,
Lorenzo




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