Additional KVM patches has been merged (post 5.3-rc8): e69e72faa3a KVM: x86: Add support for user wait instructions 6e3ba4abcea KVM: vmx: Emulate MSR IA32_UMWAIT_CONTROL bf653b78f96 KVM: vmx: Introduce handle_unexpected_vmexit and handle WAITPKG vmexit
[There's no Xen AIA work (yet)] -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1782206 Title: KVM enable SnowRidge Accelerator Interfacing Architecture (AIA) Status in linux package in Ubuntu: Triaged Status in qemu package in Ubuntu: Fix Released Status in xen package in Ubuntu: Incomplete Bug description: CPU core (Tremont) includes Accelerator Interfacing Architecture (AIA) features including: - UMONITOR/UMWAIT: Ring-3 MONITOR/MWAIT with timeout. For memory-based synch with accelerators - TPAUSE: Monitor-less wait (with timeout). For wait-on-multiple or wait-for-interrupt usages - MOVDIRI: 8B streaming doorbell write capability. For streaming accelerator usages. - MOVDIR64B: Non-temporal write with 64B guaranteed write-atomicity. For latency critical accelerator usages Upstream target linux 5.4/Qemu-3.10 Target Release: 19.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1782206/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

