On 12/1/16, 2:25 AM, "Christoph Hellwig" <hch@xxxxxxxxxxxxx> wrote:
>> - pci_disable_msix(ha->pdev);
>> + pci_free_irq_vectors(ha->pdev);
>
>Please make the switch to pci_alloc_irq_vectors / pci_free_irq_vectors
>a se[arate patch.
Ack. We’ll split up patch.
>
>> + ret = pci_alloc_irq_vectors(ha->pdev,
>> + MIN_MSIX_COUNT, ha->msix_count, PCI_IRQ_MSIX);
>
>And for proper blk-mq support you must use PCI_IRQ_AFFINITY to get
>the affinity right.
Ack.
>
>> /* Recalculate queue values */
>> - if (ql2xmqsupport) {
>> + if (ha->mqiobase && ql2xmqsupport) {
>
>Where is that change coming from?
This change was introduced in previous patch.
>
>> cpus = num_online_cpus();
>> ha->max_req_queues = (ha->msix_count - 1 > cpus) ?
>> (cpus + 1) : (ha->msix_count - 1);
>> - ha->max_rsp_queues = ha->max_req_queues;
>>
>> /* ATIOQ needs 1 vector. That's 1 less QPair */
>> if (QLA_TGT_MODE_ENABLED())
>> ha->max_req_queues--;
>
>And don't do your own look at online cpus and queue spreading, that's
>what PCI_IRQ_AFFINITY and blk_mq_pci_map_queues are for.
We’ll update patch with the recommendation.
>
>> "MSI: Enabled.\n");
>> @@ -3273,11 +3261,10 @@ struct qla_init_msix_entry {
>>
>> if (ha->flags.msix_enabled)
>> qla24xx_disable_msix(ha);
>> - else if (ha->flags.msi_enabled) {
>> - free_irq(ha->pdev->irq, rsp);
>> - pci_disable_msi(ha->pdev);
>> - } else
>> - free_irq(ha->pdev->irq, rsp);
>> + else {
>> + free_irq(pci_irq_vector(ha->pdev, 0), rsp);
>> + pci_free_irq_vectors(ha->pdev);
>> + }
>
>Please also kill off qla24xx_disable_msix, and have a single
>callsite that iterates over all vectors and finally calls
>pci_free_irq_vectors.
Ack. We’ll update in revised patch.
>
>> - if (ql2xmqsupport) {
>> + if (ql2xmqsupport && ha->max_qpairs) {
>
>Where does this come from?
This was introduced in earlier patch
>
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