fix per-cpu flag problem in the cpu affinity checkers

commit 9804c9eaeacfe78651052c5ddff31099f60ef78c upstream.

The CHECK_IRQ_PER_CPU is wrong, it should be checking
irq_to_desc(irq)->status not just irq.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index efbcee5d222095c7d8ad216bcebb6f72016b3f2b..e13fc3f3778714223392a88b818e60c618ec364a 100644 (file)
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -117,7 +117,7 @@ int cpu_check_affinity(unsigned int irq, const struct cpumask *dest)
        int cpu_dest;
 
        /* timer and ipi have to always be received on all CPUs */
-       if (CHECK_IRQ_PER_CPU(irq)) {
+       if (CHECK_IRQ_PER_CPU(irq_to_desc(irq)->status)) {
                /* Bad linux design decision.  The mask has already
                 * been set; we must reset it */
                cpumask_setall(irq_desc[irq].affinity);