powerpc: set IRQF_NO_THREAD for xmon/cascade handlers

[Michael Ellerman]

On Wed, 2015-11-11 at 13:48:50 UTC, John Ogness wrote:
> The xmon and cascade irq handlers must not run as threads.
> pmac_pic_lock is already a raw_spinlock, but the irq flag
> IRQF_NO_THREAD needs to be set as well.
> 
> Signed-off-by: John Ogness <john.ogness at linutronix.de>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/57f889471c0fb55cbb0db98b

cheers