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: firefly_0821_release~10186^2~308 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=413064f97a8b21ccfd0110544acb60ab8920d751;p=firefly-linux-kernel-4.4.55.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 2e7610cb33d5..035f5681f97b 100644 --- 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);