As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.
Signed-off-by: Alexander Gordeev <agord...@redhat.com>
Cc: Keith Busch <keith.bu...@intel.com>
Cc: Matthew Wilcox <wi...@linux.intel.com>
Cc: Jens Axboe <ax...@kernel.dk>
Cc: linux-n...@lists.infradead.org
Cc: linux-...@vger.kernel.org
Reviewed-by: Keith Busch <keith.bu...@intel.com>
---
drivers/block/nvme-core.c | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 51824d1..eca2b3e 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -1837,31 +1837,16 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
/* Deregister the admin queue's interrupt */
free_irq(dev->entry[0].vector, adminq);
- vecs = nr_io_queues;
- for (i = 0; i < vecs; i++)
+ for (i = 0; i < nr_io_queues; i++)
dev->entry[i].entry = i;
- for (;;) {
- result = pci_enable_msix(pdev, dev->entry, vecs);
- if (result <= 0)
- break;
- vecs = result;
- }
-
- if (result < 0) {
- vecs = nr_io_queues;
- if (vecs > 32)
- vecs = 32;
- for (;;) {
- result = pci_enable_msi_block(pdev, vecs);
- if (result == 0) {
- for (i = 0; i < vecs; i++)
- dev->entry[i].vector = i + pdev->irq;
- break;
- } else if (result < 0) {
- vecs = 1;
- break;
- }
- vecs = result;
+ vecs = pci_enable_msix_range(pdev, dev->entry, 1, nr_io_queues);
+ if (vecs < 0) {
+ vecs = pci_enable_msi_range(pdev, 1, min(nr_io_queues, 32));
+ if (vecs < 0) {
+ vecs = 1;
+ } else {
+ for (i = 0; i < vecs; i++)
+ dev->entry[i].vector = i + pdev->irq;
}
}
--
1.7.7.6
--
Regards,
Alexander Gordeev
agord...@redhat.com
--
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