On Wed, Oct 6, 2010 at 11:16 AM, devi thapa <devi.thapa@xxxxxxxxx> wrote: > What's the role or value of the third argument in the > vhost_net_ioctl function in /drivers/vhost/net.c . Read the code. There is the kernel vhost code and the QEMU vhost userspace code to look at. By studying both sides you can figure this out. Look at how arg is used in vhost_net_ioctl(). Please spend more time learning how things work before sending questions to the mailing list. Stefan _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization