On 24/09/19 14:44, Sergio Lopez wrote: > +Microvm is a machine type inspired by both NEMU and Firecracker, and > +constructed after the machine model implemented by the latter.
I would say it's inspired by Firecracker only. The NEMU virt machine had virtio-pci and ACPI. > +It's main purpose is providing users a minimalist machine type free > +from the burden of legacy compatibility, I think this is too strong, especially if you keep the PIC and PIT. :) Maybe just "It's a minimalist machine type without PCI support designed for short-lived guests". > +serving as a stepping stone > +for future projects aiming at improving boot times, reducing the > +attack surface and slimming down QEMU's footprint. "Microvm also establishes a baseline for benchmarking QEMU and operating systems, since it is optimized for both boot time and footprint". > +The microvm machine type supports the following devices: > + > + - ISA bus > + - i8259 PIC > + - LAPIC (implicit if using KVM) > + - IOAPIC (defaults to kernel_irqchip_split = true) > + - i8254 PIT Do we need the PIT? And perhaps the PIC even? Paolo > + - MC146818 RTC (optional) > + - kvmclock (if using KVM) > + - fw_cfg > + - One ISA serial port (optional) > + - Up to eight virtio-mmio devices (configured by the user) > +
