On Wed, 2014-10-01 at 13:16 +0530, Shreyas B. Prabhu wrote:
> PORE can be programmed to restore hypervisor registers when waking up
> from deep cpu idle states like winkle.
Tell us a bit more about what "PORE" is. IE, explain a tiny engine will
reconfigure the core and its ucode can be patched to
PORE can be programmed to restore hypervisor registers when waking up
from deep cpu idle states like winkle.
Add call to pass SPR address and value to OPAL, which in turn will
program PORE to restore the register state.
Cc: linuxppc-...@lists.ozlabs.org
Cc: Benjamin Herrenschmidt
Cc: Paul Macker
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