LCA14: LCA14-303: Virtualization update (KVM, Xen, QEMU 64-bit)

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Resource: LCA14 Name: LCA14-303: Virtualization update (KVM, Xen, QEMU 64-bit) Date: 05-03-2014 Speaker: Christoffer Dall Video: https://www.youtube.com/watch?v=MflaJtYdKmc

Technology

Wed-5-Mar, 10:05am, Christoffer Dall
LCA14-303: Vitualization update

• QEMU
• Especially on ARMv8-A
• Operational Focus
• ARM VM Image Specs (Monday’s session)
• UEFI and ACPI in both KVM and Xen
• Validation and Performance
• Key work area during LCA14
• kvm-unit-tests for ARM (Developed by Drew Jones, Red Hat)
• Need to improve and start catching performance regressions
• Maintenance and Improvements
• KVM GICv3 (Developed by Marc Zyngier, ARM)
• KVM Cache Coherency (Developed by Marc Zyngier, ARM)
• KVM PSCI v0.2 support
• Xen and KVM device assignment (passthrough)
Recent Focus Areas

• Migration Support Upstream for ARMv7-A
• Guest MMU disabled cache coherency fixed
• GICv3 Patches on the list
• ITS Support still on the way
• Guest emulation for GICv2 only
• PSCI v0.2 on the list
• Device Assignment working prototype based on VFIO
work by Virtual Open Systems
• BE-Host Support by Victor Kamensky (LNG)
• kvm-unit-tests coming for ARM
KVM Update

• Bring-up on APM ARMv8-A Hardware (see wiki)
• Bring-up on Calxeda servers (see wiki)
• Xen ARM Boot protocol (wiki)
• Summary of ACPI on Xen discussion
• See https://wiki.linaro.org/LEG/Engineering/Virtualization/ACPI_on_Xen
• Upcoming work:
• Xen IOMMU Support
• GICv3 support
• Device assignment
• ARMv8-A CI Bring-up
Xen Update

• ARMv8-A User Mode Emulation upstream
• Bulk of aarch64 TCG support upstream
• Instruction patterns verified with RISU
• Few NEON instructions missing
• ARMv8-A KVM Control Upstream
• System Emulation
• aarch64 and aarch32 (A32 and T32) user space support
• 16K/64K pages support
• SMP support
• Not quite upstream yet
• aarch64 libvxl disassembler upstream
• ARMv8-A aarch32 extensions upstream
• ARMv8-A crypto extensions underway
QEMU Update

• Linaro
• KVM/ARM
• QEMU
• Xen ARM
• ARM
• KVM/ARM
• Red Hat
• kvm-unit-tests
• Virtual Open Systems
• VFIO and various development guides
• Freescale
• Platform Device Assignment
• Citrix
• Xen ARM
Who’s joining the party?

• Missing work items?
• Workflow, information, transparency?
• Questions, concerns, feature requests?
• Ideas?
• Anything else?
Open Floor

More about Linaro Connect: http://connect.linaro.org
More about Linaro: http://www.linaro.org/about/
More about Linaro engineering: http://www.linaro.org/engineering/
Linaro members: www.linaro.org/members

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LCA14: LCA14-303: Virtualization update (KVM, Xen, QEMU 64-bit)

1. Wed-5-Mar, 10:05am, Christoffer Dall LCA14-303: Vitualization update

2. Virtualization Key Technologies

3. • QEMU • Especially on ARMv8-A • Operational Focus • ARM VM Image Specs (Monday’s session) • UEFI and ACPI in both KVM and Xen • Validation and Performance • Key work area during LCA14 • kvm-unit-tests for ARM (Developed by Drew Jones, Red Hat) • Need to improve and start catching performance regressions • Maintenance and Improvements • KVM GICv3 (Developed by Marc Zyngier, ARM) • KVM Cache Coherency (Developed by Marc Zyngier, ARM) • KVM PSCI v0.2 support • Xen and KVM device assignment (passthrough) Recent Focus Areas

4. • Migration Support Upstream for ARMv7-A • Guest MMU disabled cache coherency fixed • GICv3 Patches on the list • ITS Support still on the way • Guest emulation for GICv2 only • PSCI v0.2 on the list • Device Assignment working prototype based on VFIO work by Virtual Open Systems • BE-Host Support by Victor Kamensky (LNG) • kvm-unit-tests coming for ARM KVM Update

5. • Bring-up on APM ARMv8-A Hardware (see wiki) • Bring-up on Calxeda servers (see wiki) • Xen ARM Boot protocol (wiki) • Summary of ACPI on Xen discussion • See https://wiki.linaro.org/LEG/Engineering/Virtualization/ACPI_on_Xen • Upcoming work: • Xen IOMMU Support • GICv3 support • Device assignment • ARMv8-A CI Bring-up Xen Update

6. • ARMv8-A User Mode Emulation upstream • Bulk of aarch64 TCG support upstream • Instruction patterns verified with RISU • Few NEON instructions missing • ARMv8-A KVM Control Upstream • System Emulation • aarch64 and aarch32 (A32 and T32) user space support • 16K/64K pages support • SMP support • Not quite upstream yet • aarch64 libvxl disassembler upstream • ARMv8-A aarch32 extensions upstream • ARMv8-A crypto extensions underway QEMU Update

7. • Linaro • KVM/ARM • QEMU • Xen ARM • ARM • KVM/ARM • Red Hat • kvm-unit-tests • Virtual Open Systems • VFIO and various development guides • Freescale • Platform Device Assignment • Citrix • Xen ARM Who’s joining the party?

8. • Missing work items? • Workflow, information, transparency? • Questions, concerns, feature requests? • Ideas? • Anything else? Open Floor

9. More about Linaro Connect: http://connect.linaro.org More about Linaro: http://www.linaro.org/about/ More about Linaro engineering: http://www.linaro.org/engineering/ Linaro members: www.linaro.org/members

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