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pstore: Avoid recursive spinlocks in the oops_in_progress case
authorChuansheng Liu <chuansheng.liu@intel.com>
Mon, 17 Sep 2012 17:43:44 +0000 (01:43 +0800)
committerAnton Vorontsov <anton.vorontsov@linaro.org>
Fri, 21 Sep 2012 00:04:50 +0000 (17:04 -0700)
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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