virt: add irqfd trait and implement for mshv and KVM#3194

will-j-wright wants to merge 1 commit intomicrosoft:mainmicrosoft/openvmm:mainfrom

will-j-wright:user/wwright/mshv-irqfdwill-j-wright/openvmm:user/wwright/mshv-irqfdCopy head branch name to clipboard