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15/11/2024 16:37, Daniel Wagner wrote: > Reviewed-by: Christoph Hellwig > Reviewed-by: Hannes Reinecke > Reviewed-by: Ming Lei > Signed-off-by: Daniel Wagner Reviewed-by: John Garry > --- > drivers/virtio/virtio.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index b9095751e43bb7db5fc991b0cc0979d2e86f7b9b..4ca6ec84cb092eac7ddf4b86b4eacac099b480cf 100644 > --- a/drivers/virtio/virtio.c > +++ b/drivers/virtio/virtio.c > @@ -377,6 +377,24 @@ static void virtio_dev_remove(struct device *_d) > of_node_put(dev->dev.of_node); > } > > +/** nit: does this really need to be kerneldoc, as it is static? > + * virtio_irq_get_affinity - get IRQ affinity mask for device > + * @_d: ptr to dev structure > + * @irq_vec: interrupt vector number > + * > + * Return the CPU affinity mask for @_d and @irq_vec. > + */ > +static const struct cpumask *virtio_irq_get_affinity(struct device *_d, > + unsigned int irq_vec) > +{ > + struct virtio_device *dev = dev_to_virtio(_d); > + > + if (!dev->config->get_vq_affinity) > + return NULL; > + > + return dev->config->get_vq_affinity(dev, irq_vec); > +} > + > static const struct bus_type virtio_bus = {