x86: add /proc/irq/*/spurious to dump the spurious irq debugging state
authorAndi Kleen <ak@suse.de>
Wed, 30 Jan 2008 12:32:48 +0000 (13:32 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:32:48 +0000 (13:32 +0100)
commit96d97cf03b3d68e6c857623da93acd522b2b7e1a
treef31885e66849ca2e20d9dffd72ecd556204dbb45
parent9e094c17ee2b85130ab7b2ea37456f6867eb687a
x86: add /proc/irq/*/spurious to dump the spurious irq debugging state

This is useful to debug problems with interrupt handlers that return
sometimes IRQ_NONE.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/irq/proc.c