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qla2x00t-32gbit: Limit interrupt vectors to number of CPUs

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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>

See also upstream commit a6dcfe08487e5e83b6b4214c959a9577a9ed2d9f.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9292 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-12-28 23:38:04 +00:00
parent 590980405f
commit bb519e83d1
1 changed files with 4 additions and 2 deletions
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6
qla2x00t-32gbit/qla_isr.c
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@@ -4056,10 +4056,12 @@ msix_failed:
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);
#endif