[PATCH 6/6] nvme: allocate queues for all possible CPUs
From: Christoph Hellwig <hch@lst.de>
Date: 2017-02-03 14:36:45
Also in:
linux-nvme, lkml
Subsystem:
nvm express driver, the rest · Maintainers:
Keith Busch, Jens Axboe, Christoph Hellwig, Sagi Grimberg, Linus Torvalds
Unlike most drіvers that simply pass the maximum possible vectors to pci_alloc_irq_vectors NVMe needs to configure the device before allocting the vectors, so it needs a manual update for the new scheme of using all present CPUs. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/nvme/host/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 032237c7ee56..3eaafa25b4fd 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c@@ -1405,7 +1405,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) struct pci_dev *pdev = to_pci_dev(dev->dev); int result, nr_io_queues, size; - nr_io_queues = num_online_cpus(); + nr_io_queues = num_present_cpus(); result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) return result;
--
2.11.0