Re: [Qemu-devel] [PATCH] Inter-VM shared memory PCI device

Paul Brook
2010-03-07T22:54:05Z

> Support an inter-vm shared memory device that maps a shared-memory object
> as a PCI device in the guest. This patch also supports interrupts between
> guest by communicating over a unix domain socket. This patch applies to
> the qemu-kvm repository.

No. All new devices should be fully qdev based.

I suspect you've also ignored a load of coherency issues, especially when not
using KVM. As soon as you have shared memory in more than one host
thread/process you have to worry about memory barriers.

Paul