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 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 trigger. >> Withou

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 num