> -----Original Message----- > From: Michael S. Tsirkin [mailto:m...@redhat.com] > Sent: Monday, February 21, 2011 7:22 PM > To: Liu Yu-B13201 > Cc: qemu-devel@nongnu.org; Yoder Stuart-B08248 > Subject: Re: Vhost support > > On Mon, Feb 21, 2011 at 11:13:33AM +0000, Liu Yu-B13201 wrote: > > > > Hello everyone, > > > > Does anyone know the status of vhost in upstream qemu? > > We would like to try vhost with kvm on powerpc e500v2 platform, > > but obviously, powerpc kvm only works with upstream qemu. > > > > KVM wike page says it needs to enable CONFIG_PCI_MSI for > guest kernel. > > Is MSI a necessary? > > > > Thanks, > > Yu > > At the moment, yes. > The issue is not with vhost, it's that irqfd in kvm > only works with MSI at the moment. >
Hi Michael, Thanks for your answer. But I don't find MSI or irqfd support in upstream qemu. Does it mean upstream qemu not support virtio/vhost for now? Thanks, Yu
