Commit 044d4084 authored Mar 02, 2009 by Peter Zijlstra Committed by Ingo Molnar Mar 03, 2009

genirq: assert that irq handlers are indeed running in hardirq context



Make sure the genirq layer handlers are indeed running handlers
in hardirq context. That is the genirq expectation and doing
anything else is broken.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <1236006812.5330.632.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent c02368a9

kernel/irq/handle.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -328,6 +328,8 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
		irqreturn_t ret, retval = IRQ_NONE;
		unsigned int status = 0;

		WARN_ONCE(!in_irq(), "BUG: IRQ handler called from non-hardirq context!");

		if (!(action->flags & IRQF_DISABLED))
		local_irq_enable_in_hardirq();