Re: [RFC PATCH 7/9] powerpc: Decode and save machine check event.

On Thu, 2013-08-08 at 18:49 +0530, Mahesh Jagannath Salgaonkar wrote:

quoted

Secondly, we shouldn't call save_mce_event() if we're not in
hypervisor mode, since per-cpu variables are not in general

accessible

quoted

in real mode when running under a hypervisor with a limited

real-mode

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area (RMA).

Does that mean in real mode we can never be able to access per cpu
variable? OR do I need to use some tweaks to access those?

Right, all you can access is stuff that was specifically allocated to be
in the RMA during boot, such as the PACA's.

Ben.