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authorChristoph Hellwig <hch@lst.de>2017-06-26 12:20:58 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-28 23:00:07 +0200
commit425a17cbfff933c4cca4eeef5caa5926d198dd85 (patch)
tree826b947c66bdda4bb0167eacd7751b6b593545b8 /drivers/nvme
parent4b855ad37194f7bdbb200ce7a1c7051fecb56a08 (diff)
downloadlinux-425a17cbfff933c4cca4eeef5caa5926d198dd85.tar.bz2
nvme: Allocate queues for all possible CPUs
Unlike most drŅ–vers 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> Reviewed-by: Jens Axboe <axboe@kernel.dk> Cc: Keith Busch <keith.busch@intel.com> Cc: linux-block@vger.kernel.org Cc: linux-nvme@lists.infradead.org Link: http://lkml.kernel.org/r/20170626102058.10200-4-hch@lst.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/pci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 951042a375d6..b3dcd7abc6d7 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1525,7 +1525,7 @@ 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;