linux-kernel - automatic IRQ affinity for virtio V2

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Date:   Fri, 27 Jan 2017 09:16:28 +0100
From:   Christoph Hellwig <hch@....de>
To:     mst@...hat.com, jasowang@...hat.com
Cc:     axboe@...nel.dk, pbonzini@...hat.com,
        virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: automatic IRQ affinity for virtio V2

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