automatic IRQ affinity for virtio V2

From	Christoph Hellwig <hch@lst.de>
Newsgroups	linux.kernel
Subject	automatic IRQ affinity for virtio V2
Date	2017-01-27 09:20 +0100
Message-ID	<t49Vg-1J9-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi Michael, hi Jason,

This patches applies a few cleanups to the virtio PCI interrupt handling
code, and then converts the virtio PCI code to use the automatic MSI-X
vectors spreading, as well as using the information in virtio-blk
and virtio-scsi to automatically align the blk-mq queues to the MSI-X
vectors.

Changes since V1:
 - dropped the patches already merged for 4.10-rc
 - new patch to remove struct virtio_pci_vq_info
 - improve probe error handling by unwinding step by step
 - new patch to convert virtio-scsi

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automatic IRQ affinity for virtio V2 Christoph Hellwig <hch@lst.de> - 2017-01-27 09:20 +0100
  [PATCH 3/9] virtio_pci: don't duplicate the msix_enable flag in struct pci_dev Christoph Hellwig <hch@lst.de> - 2017-01-27 09:20 +0100
  [PATCH 4/9] virtio_pci: simplify MSI-X setup Christoph Hellwig <hch@lst.de> - 2017-01-27 09:20 +0100
  [PATCH 1/9] virtio_pci: remove struct virtio_pci_vq_info Christoph Hellwig <hch@lst.de> - 2017-01-27 09:30 +0100
  [PATCH 2/9] virtio_pci: use shared interrupts for virtqueues Christoph Hellwig <hch@lst.de> - 2017-01-27 09:30 +0100
  [PATCH 5/9] virtio: allow drivers to request IRQ affinity when creating VQs Christoph Hellwig <hch@lst.de> - 2017-01-27 09:50 +0100
  [PATCH 8/9] virtio_blk: use virtio IRQ affinity Christoph Hellwig <hch@lst.de> - 2017-01-27 09:50 +0100
  [PATCH 7/9] blk-mq: provide a default queue mapping for virtio device Christoph Hellwig <hch@lst.de> - 2017-01-27 09:50 +0100
  [PATCH 6/9] virtio: provide a method to get the IRQ affinity mask for a virtqueue Christoph Hellwig <hch@lst.de> - 2017-01-27 09:50 +0100
  [PATCH 9/9] virtio_scsi: use virtio IRQ affinity Christoph Hellwig <hch@lst.de> - 2017-01-27 09:50 +0100

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