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authorQuinn Tran <qutran@marvell.com>2020-12-02 05:23:00 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2020-12-09 11:34:17 -0500
commita6dcfe08487e5e83b6b4214c959a9577a9ed2d9f (patch)
tree14098791eceebec6e529654e081cd6135d2a27ef /drivers/scsi/qla2xxx/qla_isr.c
parentc1599657d48ca65861408f9264e12c050ac9626b (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/qla2xxx/qla_isr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c6
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) {