Hi,
The 1st one fixes the case that -EINVAL is returned from pci_alloc_irq_vectors_affinity(),
and it is found without this patch QEMU may fallback to single queue if CPU cores is >= 64.
The 2st one fixes the case that -ENOSPC is returned from pci_alloc_irq_vectors_affinity(),
and boot failure is observed on aarch64 system with less irq vectors.
The last one introduces modules parameter of 'default_queues' for addressing irq vector
exhaustion issue reported by Shan Hai.
Ming Lei (3):
PCI/MSI: preference to returning -ENOSPC from
pci_alloc_irq_vectors_affinity
nvme pci: fix nvme_setup_irqs()
nvme pci: introduce module parameter of 'default_queues'
drivers/nvme/host/pci.c | 31 ++++++++++++++++++++++---------
drivers/pci/msi.c | 20 +++++++++++---------
2 files changed, 33 insertions(+), 18 deletions(-)
Cc: Shan Hai <shan.hai@xxxxxxxxxx>
Cc: Keith Busch <keith.busch@xxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx,
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>,
--
2.9.5
