Messages in this thread Patch in this message | | | Date | Sun, 17 Sep 2017 11:31:21 +0200 (CEST) | From | Thomas Gleixner <> | Subject | [GIT pull] irq fix for 4.14 |
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Linus,
please pull the latest irq-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus
Fix for an off by one error in a cpumask result comparison.
Thanks,
tglx
------------------> Thomas Gleixner (1): genirq: Fix cpumask check in __irq_startup_managed()
kernel/irq/chip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index f51b7b6d2451..6fc89fd93824 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -202,7 +202,7 @@ __irq_startup_managed(struct irq_desc *desc, struct cpumask *aff, bool force) irqd_clr_managed_shutdown(d); - if (cpumask_any_and(aff, cpu_online_mask) > nr_cpu_ids) { + if (cpumask_any_and(aff, cpu_online_mask) >= nr_cpu_ids) { /* * Catch code which fiddles with enable_irq() on a managed * and potentially shutdown IRQ. Chained interrupt
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