commit 3ee0ce2a54dff07d09440723594df89bc1a12e79
author Christoph Hellwig <hch@lst.de> Thu Aug 11 07:06:45 2016 -0700
committer Thomas Gleixner <tglx@linutronix.de> Mon Aug 22 11:22:44 2016 +0200
tree 68a27c262c9f41cf768856730927e9d8467d111b
parent 4396f46c8c628329bd35ee4b84140b8b001a11eb

genirq/affinity: Use get/put_online_cpus around cpumask operations

Without locking out CPU mask operations we might end up with an inconsistent
view of the cpumask in the function.

Fixes: 5e385a6ef31f: "genirq: Add a helper to spread an affinity mask for MSI/MSI-X vectors"
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/1470924405-25728-1-git-send-email-hch@lst.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>