[PATCH 42/49] scsi: lpfc: replace cpumask_weight with cpumask_weight_gt

* [PATCH 42/49] scsi: lpfc: replace cpumask_weight with cpumask_weight_gt
       [not found] <20220210224933.379149-1-yury.norov@gmail.com>
@ 2022-02-10 22:49 ` Yury Norov
  0 siblings, 0 replies; only message in thread
From: Yury Norov @ 2022-02-10 22:49 UTC (permalink / raw)
  To: Yury Norov, Andy Shevchenko, Rasmus Villemoes, Andrew Morton,
	Michał Mirosław, Greg Kroah-Hartman, Peter Zijlstra,
	David Laight, Joe Perches, Dennis Zhou, Emil Renner Berthing,
	Nicholas Piggin, Matti Vaittinen, Alexey Klimov, linux-kernel,
	James Smart, Dick Kennedy, James E.J. Bottomley,
	Martin K. Petersen, linux-scsi

lpfc_cpuhp_get_eq() calls cpumask_weight() to compare the weight of
cpumask with a given number. We can do it more efficiently with
cpumask_weight_gt because conditional cpumask_weight may stop
traversing the cpumask earlier, as soon as condition is (or can't be) met.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
 drivers/scsi/lpfc/lpfc_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index f5c363f663f6..35688427cb7f 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -12642,7 +12642,7 @@ lpfc_cpuhp_get_eq(struct lpfc_hba *phba, unsigned int cpu,
 		 * gone offline yet, we need >1.
 		 */
 		cpumask_and(tmp, maskp, cpu_online_mask);
-		if (cpumask_weight(tmp) > 1)
+		if (cpumask_weight_gt(tmp, 1))
 			continue;
 
 		/* Now that we have an irq to shutdown, get the eq
-- 
2.32.0


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