linux-kernel - [PATCH v2 0/2] acpi, apei: add BERT support

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Date:	Wed, 19 Aug 2015 00:44:15 +0800
From:	fu.wei@...aro.org
To:	linaro-acpi@...ts.linaro.org, linux-kernel@...r.kernel.org,
	zjzhang@...eaurora.org, tony.luck@...el.com, gong.chen@...el.com,
	ying.huang@...el.com, tomasz.nowicki@...aro.org
Cc:	tekkamanninja@...il.com, graeme.gregory@...aro.org,
	al.stone@...aro.org, hanjun.guo@...aro.org, jcm@...hat.com,
	mark.rutland@....com, catalin.marinas@....com, will.deacon@....com,
	rjw@...ysocki.net, bp@...en8.de, matt.fleming@...el.com,
	Fu Wei <fu.wei@...aro.org>
Subject: [PATCH v2 0/2] acpi, apei: add BERT support

From: Fu Wei <fu.wei@...aro.org>

ACPI/APEI is designed to verifiy/report H/W errors, like Corrected
Error(CE) and Uncorrected Error(UC). It contains four tables: HEST,
ERST, EINJ and BERT. The first three tables have been merged for
a long time, but because of lacking BIOS support for BERT, the
support for BERT is pending until now. Recently on ARM 64 platform
it is has been supported. So here we come.

The following log is a BERT record after system reboot because of
hitting a fatal error.

BERT: Obtained BERT iomem region <00000000fe801000-00000000fe802000> for BERT.
[Hardware Error]: Error record from previous boot:
[Hardware Error]: event severity: fatal
[Hardware Error]:  Error 0, type: fatal
[Hardware Error]:   section_type: memory error
[Hardware Error]:   physical_address: 0x00000000fe800000
[Hardware Error]:   physical_address_mask: 0x0000000000000fff
[Hardware Error]:   card: 0 module: 1 bank: 0 device: 1 row: 1 column: 1 bit_pos

Changelog:
v2: Delete EXPORT_SYMBOL_GPL(bert_disable), because "bert_disable" is only used
    in bert.c for now.
    Do some code-style cleanups.

v1: The first upstream version submitted in linux-acpi mailing list:
    http://www.spinics.net/lists/linux-acpi/msg57384.html

Huang Ying (1):
  ACPI, APEI, Boot Error Record Table (BERT) support

Tomasz Nowicki (1):
  acpi, apei, bert: Clear error status at the end of error handling

 Documentation/kernel-parameters.txt |   3 +
 drivers/acpi/apei/Makefile          |   2 +-
 drivers/acpi/apei/bert.c            | 165 ++++++++++++++++++++++++++++++++++++
 include/acpi/apei.h                 |   1 +
 4 files changed, 170 insertions(+), 1 deletion(-)
 create mode 100644 drivers/acpi/apei/bert.c

-- 
2.4.3

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