diff options
| author | Quinn Tran <qutran@marvell.com> | 2020-12-02 05:23:00 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-12-09 11:34:17 -0500 |
| commit | a6dcfe08487e5e83b6b4214c959a9577a9ed2d9f (patch) | |
| tree | 14098791eceebec6e529654e081cd6135d2a27ef /drivers/scsi | |
| parent | c1599657d48ca65861408f9264e12c050ac9626b (diff) | |
scsi: qla2xxx: Limit interrupt vectors to number of CPUs
Driver created too many QPairs(126) with 28xx adapter. Limit to the number
of CPUs to minimize wasted resources.
Link: https://lore.kernel.org/r/20201202132312.19966-4-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index a24b82de4aab..77dd7630c3f8 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3952,10 +3952,12 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { /* user wants to control IRQ setting for target mode */ ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, - ha->msix_count, PCI_IRQ_MSIX); + min((u16)ha->msix_count, (u16)num_online_cpus()), + PCI_IRQ_MSIX); } else ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, - ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, + min((u16)ha->msix_count, (u16)num_online_cpus()), + PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &desc); if (ret < 0) { |