From: Thomas Gleixner Date: Mon, 7 Feb 2011 18:28:01 +0000 (+0100) Subject: fix per-cpu flag problem in the cpu affinity checkers X-Git-Tag: v2.6.37.5~6 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=998e8811f221196f568d124fb58a53ac0050c573;p=thirdparty%2Fkernel%2Fstable.git 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 Signed-off-by: James Bottomley Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index d7d94b845dc2c..3948f1dd455aa 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -108,7 +108,7 @@ 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);