Re: [PATCH V4] xen: privcmd: Add support for irqfd

2023-08-22 Thread Juergen Gross
On 25.07.23 12:57, Viresh Kumar wrote: Xen provides support for injecting interrupts to the guests via the HYPERVISOR_dm_op() hypercall. The same is used by the Virtio based device backend implementations, in an inefficient manner currently. Generally, the Virtio backends are implemented to work

Re: [PATCH V4] xen: privcmd: Add support for irqfd

2023-08-15 Thread Viresh Kumar
On 25-07-23, 16:27, Viresh Kumar wrote: > Xen provides support for injecting interrupts to the guests via the > HYPERVISOR_dm_op() hypercall. The same is used by the Virtio based > device backend implementations, in an inefficient manner currently. > > Generally, the Virtio backends are implemente

[PATCH V4] xen: privcmd: Add support for irqfd

2023-07-25 Thread Viresh Kumar
Xen provides support for injecting interrupts to the guests via the HYPERVISOR_dm_op() hypercall. The same is used by the Virtio based device backend implementations, in an inefficient manner currently. Generally, the Virtio backends are implemented to work with the Eventfd based mechanism. In ord