From: Chuansheng Liu <chuansheng.liu@intel.com>
Date: Mon, 17 Sep 2012 17:43:44 +0000 (+0800)
Subject: pstore: Avoid recursive spinlocks in the oops_in_progress case
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~4^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80c9d03c22f13a17df67b4b99a83ed5e9acf6093;p=pandora-kernel.git

pstore: Avoid recursive spinlocks in the oops_in_progress case

Like 8250 driver, when pstore is registered as a console,
to avoid recursive spinlocks when panic happening, change the
spin_lock_irqsave to spin_trylock_irqsave when oops_in_progress
is true.

Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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