Re: [Qemu-devel] Re: [PATCH v3 0/2] Inter-VM shared memory PCI device

2010-03-26 Thread Cam Macdonell
On Thu, Mar 25, 2010 at 7:32 PM, Jamie Lokier ja...@shareable.org wrote: Cam Macdonell wrote: An irqfd can only trigger a single vector in a guest.  Right now I only have one eventfd per guest.    So ioeventfd/irqfd restricts the current implementation to a single vector that a guest can

Re: [Qemu-devel] Re: [PATCH v3 0/2] Inter-VM shared memory PCI device

2010-03-25 Thread Jamie Lokier
Cam Macdonell wrote: An irqfd can only trigger a single vector in a guest. Right now I only have one eventfd per guest.So ioeventfd/irqfd restricts the current implementation to a single vector that a guest can trigger. Without irqfd, eventfds can be used like registers a write the number