tile: fix panic with large IRQ number



The "available_irqs" value needs to actually reflect the IRQs
available, not just start as an all-ones mask, since we only
have 32 IRQs available even on a 64-bit platform.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

parent d4d9eab4

arch/tile/kernel/irq.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -55,7 +55,8 @@ static DEFINE_PER_CPU(int, irq_depth);

		/* State for allocating IRQs on Gx. */
		#if CHIP_HAS_IPI()
		static unsigned long available_irqs = ~(1UL << IRQ_RESCHEDULE);
		static unsigned long available_irqs = ((1UL << NR_IRQS) - 1) &
		(~(1UL << IRQ_RESCHEDULE));
		static DEFINE_SPINLOCK(available_irqs_lock);
		#endif