Jason Wang
2021-Mar-05 03:11 UTC
[RFC v4 11/11] vduse: Support binding irq to the specified cpu
On 2021/3/4 4:19 ??, Yongji Xie wrote:> On Thu, Mar 4, 2021 at 3:30 PM Jason Wang <jasowang at redhat.com> wrote: >> >> On 2021/2/23 7:50 ??, Xie Yongji wrote: >>> Add a parameter for the ioctl VDUSE_INJECT_VQ_IRQ to support >>> injecting virtqueue's interrupt to the specified cpu. >> >> How userspace know which CPU is this irq for? It looks to me we need to >> do it at different level. >> >> E.g introduce some API in sys to allow admin to tune for that. >> >> But I think we can do that in antoher patch on top of this series. >> > OK. I will think more about it.It should be soemthing like /sys/class/vduse/$dev_name/vq/0/irq_affinity. Also need to make sure eventfd could not be reused. Thanks> > Thanks, > Yongji >