[PATCH 1/2] powerpc/powernv: Fix CPU hotplug to handle waking on HVI

Michael Ellerman mpe at ellerman.id.au
Wed Feb 8 20:28:12 AEDT 2017

Benjamin Herrenschmidt <benh at kernel.crashing.org> writes:

> The IPIs come in as HVI not EE, so we need to test the appropriate
> SRR1 bits. The encoding is such that it won't have false positives
> on P7 and P8 so we can just test it like that. We also need to handle
> the icp-opal variant of the flush.

Your comment implies that this fix is only required on Power9, but I'm
not 100% clear.


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