diff options
| author | Justin Tee <justin.tee@broadcom.com> | 2026-03-31 23:59:19 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2026-04-03 04:34:01 +0300 |
| commit | e32b5e8f09503be680bed75da51bb584134a1390 (patch) | |
| tree | 2110a00262493a33a37918ab3a99ca71df96a0bf | |
| parent | 6446e8c2b6c76b4d253c46352540ca1f5fa3f854 (diff) | |
| download | linux-e32b5e8f09503be680bed75da51bb584134a1390.tar.xz | |
scsi: lpfc: Break out of IRQ affinity assignment when mask reaches nr_cpu_ids
The purpose of the lpfc_next_online_cpu() call is to save the CPU index for
the next iteration of the for (index = 0; index < vectors; index++) loop.
Because we’ve reached the last iteration of the loop, cpumask_next(cpu,
aff_mask) returns nr_cpu_ids. Thus, if we already know we've reached the
last iteration of the IRQ affinity assignment loop, then we can just break
and exit.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://patch.msgid.link/20260331205928.119833-2-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 704c59cc8892..764feaef8a67 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -2,7 +2,7 @@ * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * * Copyright (C) 2017-2026 Broadcom. All Rights Reserved. The term * - * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * + * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2004-2016 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.broadcom.com * @@ -13041,6 +13041,10 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba) /* Iterate to next offline or online cpu in aff_mask */ cpu = cpumask_next(cpu, aff_mask); + /* Reached the end of the aff_mask */ + if (cpu >= nr_cpu_ids) + break; + /* Find next online cpu in aff_mask to set affinity */ cpu_select = lpfc_next_online_cpu(aff_mask, cpu); } else if (vectors == 1) { |