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

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Date:	Tue, 24 Jun 2014 11:01:50 +0200
From:	Tomasz Nowicki <tomasz.nowicki@...aro.org>
To:	Borislav Petkov <bp@...en8.de>
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 19.06.2014 16:17, Borislav Petkov wrote:
> 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.

True, will fix that.

Tomasz
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