[GIT pull] irq fix for 4.10

[Thomas Gleixner]

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


A fix for the irq affinity spread algorithm so it handles non linear node
numbering nicely.

Thanks,

        tglx

------------------>
Guilherme G. Piccoli (1):
      genirq/affinity: Fix node generation from cpumask


 kernel/irq/affinity.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index 9be9bda7c1f9..4544b115f5eb 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -37,10 +37,10 @@ static void irq_spread_init_one(struct cpumask *irqmsk, 
struct cpumask *nmsk,
 
 static int get_nodes_in_cpumask(const struct cpumask *mask, nodemask_t 
*nodemsk)
 {
-       int n, nodes;
+       int n, nodes = 0;
 
        /* Calculate the number of nodes in the supplied affinity mask */
-       for (n = 0, nodes = 0; n < num_online_nodes(); n++) {
+       for_each_online_node(n) {
                if (cpumask_intersects(mask, cpumask_of_node(n))) {
                        node_set(n, *nodemsk);
                        nodes++;
@@ -82,7 +82,7 @@ irq_create_affinity_masks(int nvecs, const struct 
irq_affinity *affd)
        nodes = get_nodes_in_cpumask(cpu_online_mask, &nodemsk);
 
        /*
-        * If the number of nodes in the mask is less than or equal the
+        * If the number of nodes in the mask is greater than or equal the
         * number of vectors we just spread the vectors across the nodes.
         */
        if (affv <= nodes) {