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RDMI: hfi1: drop cpumask_empty() call in hfi1/affinity.c

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In few places, the driver tests a cpumask for emptiness immediately
before calling functions that report emptiness themself.

Signed-off-by: Yury Norov [NVIDIA] <yury.norov@gmail.com>
Link: https://patch.msgid.link/20250604193947.11834-8-yury.norov@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Yury Norov [NVIDIA] 2025-06-04 15:39:43 -04:00 committed by Leon Romanovsky
parent 3ad8fb8afd
commit b61cc1891c
1 changed files with 7 additions and 9 deletions
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16
drivers/infiniband/hw/hfi1/affinity.c
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@ -337,9 +337,10 @@ static int _dev_comp_vect_cpu_get(struct hfi1_devdata *dd,
&entry->def_intr.used);
/* If there are non-interrupt CPUs available, use them first */
if (!cpumask_empty(non_intr_cpus))
cpu = cpumask_first(non_intr_cpus);
else /* Otherwise, use interrupt CPUs */
cpu = cpumask_first(non_intr_cpus);
/* Otherwise, use interrupt CPUs */
if (cpu >= nr_cpu_ids)
cpu = cpumask_first(available_cpus);
if (cpu >= nr_cpu_ids) { /* empty */
@ -1080,8 +1081,7 @@ int hfi1_get_proc_affinity(int node)
* loop as the used mask gets reset when
* (set->mask == set->used) before this loop.
*/
cpumask_andnot(diff, hw_thread_mask, &set->used);
if (!cpumask_empty(diff))
if (cpumask_andnot(diff, hw_thread_mask, &set->used))
break;
}
hfi1_cdbg(PROC, "Same available HW thread on all physical CPUs: %*pbl",
@ -1113,8 +1113,7 @@ int hfi1_get_proc_affinity(int node)
* used for process assignments using the same method as
* the preferred NUMA node.
*/
cpumask_andnot(diff, available_mask, intrs_mask);
if (!cpumask_empty(diff))
if (cpumask_andnot(diff, available_mask, intrs_mask))
cpumask_copy(available_mask, diff);
/* If we don't have CPUs on the preferred node, use other NUMA nodes */
@ -1130,8 +1129,7 @@ int hfi1_get_proc_affinity(int node)
* At first, we don't want to place processes on the same
* CPUs as interrupt handlers.
*/
cpumask_andnot(diff, available_mask, intrs_mask);
if (!cpumask_empty(diff))
if (cpumask_andnot(diff, available_mask, intrs_mask))
cpumask_copy(available_mask, diff);
}
hfi1_cdbg(PROC, "Possible CPUs for process: %*pbl",