linux-kernel - Re: [PATCH v2 2/5] acpi, apei, ghes: Introduce ACPI_APEI_NMI to make NMI error notification a GHES feature.

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Date:	Thu, 12 Jun 2014 12:32:38 +0200
From:	Robert Richter <rric@...nel.org>
To:	Tomasz Nowicki <tomasz.nowicki@...aro.org>
Cc:	rjw@...ysocki.net, lenb@...nel.org, tony.luck@...el.com,
	bp@...en8.de, m.chehab@...sung.com, bp@...e.de,
	linux-edac@...r.kernel.org, x86@...nel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH v2 2/5] acpi, apei, ghes: Introduce ACPI_APEI_NMI to make
 NMI error notification a GHES feature.

On 28.05.14 09:39:27, Tomasz Nowicki wrote:
> +config ACPI_APEI_NMI
> +	bool "NMI error notification support"
> +	default y
> +	depends on ACPI_APEI_GHES && X86
> +	help
> +	  Firmware first mode can use NMI notification mechanism to report errors
> +	  to operating system. This feature is currently supported by X86
> +	  architecture only.
> +

This selection is not necessary. I don't see why one should select
this at all. It's either there for an arch or not. Just use ARCH_HAS_
style and and hard select ARCH_HAS_ACPI_APEI_NMI for x86. There is no
need for the ACPI_APEI_GHES dependency then.

-Robert
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