linux-kernel - Re: [PATCH v3 1/5] apei, mce: Factor out APEI architecture specific MCE calls.

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Date:	Thu, 19 Jun 2014 16:17:58 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Tomasz Nowicki <tomasz.nowicki@...aro.org>
Cc:	rjw@...ysocki.net, lenb@...nel.org, tony.luck@...el.com,
	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,
	rric@...nel.org
Subject: Re: [PATCH v3 1/5] apei, mce: Factor out APEI architecture specific
 MCE calls.

On Fri, Jun 13, 2014 at 01:02:56PM +0200, Tomasz Nowicki wrote:
> This commit abstracts MCE calls and provides weak corresponding default
> implementation for those architectures which do not need arch specific
> actions. Each platform willing to do additional architectural actions
> should provides desired function definition. It allows us to avoid wrap
> code into #ifdef in generic code and prevent new platform from introducing
> dummy stub function too.
> 
> Initially, there are two APEI arch-specific calls:
> - apei_arch_enable_cmcff()
> - apei_arch_report_mem_error()
> Both interact with MCE driver for X86 architecture.
> 
> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@...aro.org>

...

> diff --git a/arch/x86/kernel/acpi/apei.c b/arch/x86/kernel/acpi/apei.c
> new file mode 100644
> index 0000000..dca2852
> --- /dev/null
> +++ b/arch/x86/kernel/acpi/apei.c
> @@ -0,0 +1,56 @@
> +/*
> + * Arch-specific APEI-related functions.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + */
> +
> +#include <acpi/apei.h>
> +
> +#include <asm/mce.h>
> +
> +int apei_arch_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data)

Arch-specific function names usually use the "arch_" prefix. Otherwise
it looks ok.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
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