[patch V5 5/8] genirq/affinity: Remove the leftovers of the original set support

From: Thomas Gleixner
Date: Thu Feb 14 2019 - 16:37:12 EST


Now that the NVME driver is converted over to the calc_set() callback, the
workarounds of the original set support can be removed.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/irq/affinity.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)

--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -258,21 +258,17 @@ irq_create_affinity_masks(unsigned int n

/*
* Simple invocations do not provide a calc_sets()
- * callback. Install the generic one. The check for affd->nr_sets
- * is a temporary workaround and will be removed after the NVME
- * driver is converted over.
+ * callback. Install the generic one.
*/
- if (!affd->nr_sets && !affd->calc_sets)
+ if (!affd->calc_sets)
affd->calc_sets = default_calc_sets;

/*
* If the device driver provided a calc_sets() callback let it
- * recalculate the number of sets and their size. The check will go
- * away once the NVME driver is converted over.
+ * recalculate the number of sets and their size.
*/
affvecs = nvecs - affd->pre_vectors - affd->post_vectors;
- if (affd->calc_sets)
- affd->calc_sets(affd, affvecs);
+ affd->calc_sets(affd, affvecs);

if (WARN_ON_ONCE(affd->nr_sets > IRQ_AFFINITY_MAX_SETS))
return NULL;
@@ -335,11 +331,6 @@ unsigned int irq_calc_affinity_vectors(u

if (affd->calc_sets) {
set_vecs = maxvec - resv;
- } else if (affd->nr_sets) {
- unsigned int i;
-
- for (i = 0, set_vecs = 0; i < affd->nr_sets; i++)
- set_vecs += affd->set_size[i];
} else {
get_online_cpus();
set_vecs = cpumask_weight(cpu_possible_mask);