Messages in this thread | | | Date | Thu, 09 Aug 2012 17:13:37 +0200 | From | Paolo Bonzini <> | Subject | Re: [net-next RFC V5 3/5] virtio: intorduce an API to set affinity for a virtqueue |
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Il 05/07/2012 12:29, Jason Wang ha scritto: > Sometimes, virtio device need to configure irq affiniry hint to maximize the > performance. Instead of just exposing the irq of a virtqueue, this patch > introduce an API to set the affinity for a virtqueue. > > The api is best-effort, the affinity hint may not be set as expected due to > platform support, irq sharing or irq type. Currently, only pci method were > implemented and we set the affinity according to: > > - if device uses INTX, we just ignore the request > - if device has per vq vector, we force the affinity hint > - if the virtqueues share MSI, make the affinity OR over all affinities > requested > > Signed-off-by: Jason Wang <jasowang@redhat.com>
It looks like both I and Jason will need these patches during the 3.7 merge window, and from different trees (net-next vs. scsi). How do we synchronize?
Paolo
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