Re: [PATCH] ACPI, APEI: Fix BERT resources conflict with ACPI NVS area
From: Huang\, Ying
Date: Thu Feb 16 2017 - 19:31:32 EST
Borislav Petkov <bp@xxxxxxx> writes:
> On Thu, Feb 16, 2017 at 06:24:39PM +0800, Huang, Ying wrote:
>> The NVS area is excluded when request the resources, because the NVS
>> area has been marked as busy already. But the whole BERT memory area is
>> mapped, so we can read from it.
> So you're saying the NVS area is part of the BERT area and we can access
> the whole range?
I am not sure whether the NVS area is a part of the BERT area, but
apparently they are overlapped in some way. We will access the whole
BERT area here via ioremap the whole range.