Commit 17311c03 authored Jul 01, 2006 by Bjorn Helgaas Committed by Linus Torvalds Jul 01, 2006

[PATCH] IRQ: Use SA_PERCPU_IRQ, not IRQ_PER_CPU, for irqaction.flags



IRQ_PER_CPU is a bit in the struct irq_desc "status" field, not in the
struct irqaction "flags", so the previous code checked the wrong bit.

SA_PERCPU_IRQ is only used by drivers/char/mmtimer.c for SGI ia64 boxes.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent ed6f7b10

kernel/irq/manage.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -236,7 +236,8 @@ int setup_irq(unsigned int irq, struct irqaction *new)

		#if defined(CONFIG_IRQ_PER_CPU) && defined(SA_PERCPU_IRQ)
		/* All handlers must agree on per-cpuness */
		if ((old->flags & IRQ_PER_CPU) != (new->flags & IRQ_PER_CPU))
		if ((old->flags & SA_PERCPU_IRQ) !=
		(new->flags & SA_PERCPU_IRQ))
		goto mismatch;
		#endif

Admin message