Re: RFC: APEI hardware reduced profile

From: Rafael J. Wysocki
Date: Wed Mar 26 2014 - 10:40:56 EST


On Wednesday, March 26, 2014 01:08:10 PM Tomasz Nowicki wrote:
> Hi,

Hi,

This is a question for Tony, Boris and Mauro (CCed now).

> Currently APEI depends on x86 architecture. It is because of many x86
> specific features like "IA-32 Architecture Corrected Machine Check
> " error source or NMI hardware error notification. However, many other
> features like "PCI Express Device AER Structure" or GHES via external
> interrupt can be still used perfectly by other architectures. So my idea
> is to move x86 dependency away form Kconfig to APEI areas where it
> really applies to.
>
> I have started refactoring ghes.c driver in that direction. And here
> comes my confusion, how should we treat x86 related parts, as fixed
> profile? (which means we could use ACPI_REDUCED_HARDWARE or
> CONFIG_ACPI_REDUCED_HARDWARE_ONLY define). I would like to ask for your
> opinion.

Thanks!

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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