Re: [Stratos-dev] [PATCH V3 2/2] xen: privcmd: Add support for ioeventfd

2023-10-10 Thread Viresh Kumar
Hi Bill, On Tue, 10 Oct 2023 at 18:52, Bill Mills wrote: > On 10/9/23 7:29 AM, Viresh Kumar via Stratos-dev wrote: > > -config XEN_PRIVCMD_IRQFD > > - bool "Xen irqfd support" > > +config XEN_PRIVCMD_EVENTFD > > + bool "Xen Ioeventfd and irqfd support" > > You certainly know about kernel

Re: [Stratos-dev] [PATCH V3 2/2] xen: privcmd: Add support for ioeventfd

2023-10-10 Thread Bill Mills
Hi Viresh, On 10/9/23 7:29 AM, Viresh Kumar via Stratos-dev wrote: Virtio guests send VIRTIO_MMIO_QUEUE_NOTIFY notification when they need to notify the backend of an update to the status of the virtqueue. The backend or another entity, polls the MMIO address for updates to know when the notific