From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Thu, 16 Oct 2008 23:31:54 +0000 (-0700)
Subject: dmar: use spin_lock_irqsave() in qi_submit_sync()
X-Git-Tag: v2.6.28-rc1~39^2~1^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f05810c9962bba3e809f07619bda1bfdebbfbfb9;p=pandora-kernel.git

dmar: use spin_lock_irqsave() in qi_submit_sync()

Next patch in the series will use queued invalidation interface
qi_submit_sync() for DMA-remapping aswell, which can be called from interrupt
context.

So use spin_lock_irqsave() instead of spin_lock() in qi_submit_sync().

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---

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