From: Huang Ying <ying.huang@intel.com>
Date: Thu, 8 Dec 2011 03:25:45 +0000 (+0800)
Subject: ACPI, APEI, Printk queued error record before panic
X-Git-Tag: v3.3-rc1~8^2~2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46d12f0bcb17b2de89a059114349d472b7eb1783;p=pandora-kernel.git

ACPI, APEI, Printk queued error record before panic

Because printk is not safe inside NMI handler, the recoverable error
records received in NMI handler will be queued to be printked in a
delayed IRQ context via irq_work.  If a fatal error occurs after the
recoverable error and before the irq_work processed, we lost a error
report.

To solve the issue, the queued error records are printked in NMI
handler if system will go panic.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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