linux-kernel - [PATCH v2 2/2] acpi, apei, bert: Clear error status at the end of error handling

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Message-Id: <1439916257-5483-3-git-send-email-fu.wei@linaro.org>
Date:	Wed, 19 Aug 2015 00:44:17 +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,
	"Chen, Gong" <gong.chen@...ux.intel.com>
Subject: [PATCH v2 2/2] acpi, apei, bert: Clear error status at the end of error handling

From: Tomasz Nowicki <tomasz.nowicki@...aro.org>

Once error log is printed out clear error status so it would not be
print during next boot again.

Signed-off-by: Tomasz Nowicki <tomasz.nowicki@...aro.org>
Signed-off-by: Chen, Gong <gong.chen@...ux.intel.com>
Tested-by: Jonathan (Zhixiong) Zhang <zjzhang@...eaurora.org>
Signed-off-by: Tony Luck <tony.luck@...el.com>
---
 drivers/acpi/apei/bert.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c
index 1426227..dc2b79f 100644
--- a/drivers/acpi/apei/bert.c
+++ b/drivers/acpi/apei/bert.c
@@ -65,6 +65,9 @@ static void __init bert_print_all(struct acpi_hest_generic_status *region,
 		}
 
 		cper_estatus_print(KERN_INFO HW_ERR, estatus);
+
+		/* Clear error status */
+		estatus->block_status = 0;
 next:
 		estatus = (void *)estatus + estatus_len;
 		remain -= estatus_len;
-- 
2.4.3

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