@@ -354,22 +354,22 @@ static int setup_affinity(struct irq_desc *desc, struct cpumask *mask)
/*
* Preserve the managed affinity setting and an userspace affinity
- * setup, but make sure that one of the targets is online.
+ * setup, but make sure that one of the targets is present.
*/
if (irqd_affinity_is_managed(&desc->irq_data) ||
irqd_has_set(&desc->irq_data, IRQD_AFFINITY_SET)) {
if (cpumask_intersects(desc->irq_common_data.affinity,
- cpu_online_mask))
+ cpu_present_mask))
set = desc->irq_common_data.affinity;
else
irqd_clear(&desc->irq_data, IRQD_AFFINITY_SET);
}
- cpumask_and(mask, cpu_online_mask, set);
+ cpumask_and(mask, cpu_present_mask, set);
if (node != NUMA_NO_NODE) {
const struct cpumask *nodemask = cpumask_of_node(node);
- /* make sure at least one of the cpus in nodemask is online */
+ /* make sure at least one of the cpus in nodemask is present */
if (cpumask_intersects(mask, nodemask))
cpumask_and(mask, mask, nodemask);
}
This will allow us to spread MSI/MSI-X affinity over all present CPUs and thus better deal with systems where cpus are take on and offline all the time. Signed-off-by: Christoph Hellwig <hch@lst.de> --- kernel/irq/manage.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)