Paolo Bonzini <pbonzini@xxxxxxxxxx> writes: > From: Jason Wang <jasowang@xxxxxxxxxx> > > Sometimes, virtio device need to configure irq affinity 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@xxxxxxxxxx> > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Applied, thanks. Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Cheers, Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
