powerpc: Convert big_irq_lock to raw_spinlock

big_irq_lock needs to be a real spinlock in RT. Convert it to
raw_spinlock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Thomas Gleixner 2010-02-18 02:22:24 +00:00 • committed by Benjamin Herrenschmidt
commit f95e085b25