Re: [PATCH 3/6] ARM: EXYNOS: add Exynos Dual Cluster Support
From: Nicolas Pitre
Date: Mon Oct 07 2013 - 18:06:39 EST
On Mon, 7 Oct 2013, Dave Martin wrote:
> On Fri, Oct 04, 2013 at 03:51:31PM -0400, Nicolas Pitre wrote:
> > No FIQs are supposed to ever race with this code.
>
> There is an anomaly though: FIQ and external abort don't seem to get
> explicitly masked anywhere, either on the suspend or powerdown paths.
> Sometimes either or both remains unmasked (I tried some trace in the
> TC2 MCPM backend to confirm this.)
>
> Looks like a possible omission in the arch/arm/ suspend and shutdown
> code, rather than a problem specific to MCPM.
Possibly, yes.
Feel free to post a patch.
Nicolas
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