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Re: [PATCH v7 00/12] Introduce the microvm machine type
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH v7 00/12] Introduce the microvm machine type |
Date: |
Wed, 9 Oct 2019 15:26:24 -0400 |
On Tue, Oct 08, 2019 at 03:55:26PM +0200, Sergio Lopez wrote:
> Microvm is a machine type inspired by Firecracker and constructed
> after the its machine model.
>
> It's a minimalist machine type without PCI nor ACPI support, designed
> for short-lived guests. Microvm also establishes a baseline for
> benchmarking and optimizing both QEMU and guest operating systems,
> since it is optimized for both boot time and footprint.
Looks good overall. I think coding style needs to
be fixed but that's a patch on top.
series:
Reviewed-by: Michael S. Tsirkin <address@hidden>
Paolo I assume you will be merging this?
> ---
>
> Changelog
> v7:
> - Fix code style issues on already present code touched by this patch
> series (Michael S. Tsirkin, Philippe Mathieu-Daudé)
> - Add new files to MAINTAINERS (Michael S. Tsirkin, Philippe
> Mathieu-Daudé)
> - Allow starting a microvm machine without a kernel image, fixing
> "qom-test" (Michael S. Tsirkin)
> - Change "bios-microvm.bin" mode to 0644 (Stefano Garzarella)
> - Remove unneeded "hw/i386/pc.h" include from x86.c (Stefano
> Garzarella)
>
> v6:
> - Some style fixes (Philippe Mathieu-Daudé)
> - Fix a documentation bug stating that LAPIC was in userspace (Paolo
> Bonzini)
> - Update Xen HVM code after X86MachineState introduction (Philippe
> Mathieu-Daudé)
> - Rename header guard from QEMU_VIRTIO_MMIO_H to HW_VIRTIO_MMIO_H
> (Philippe Mathieu-Daudé)
>
> v5:
> - Drop unneeded "[PATCH v4 2/8] hw/i386: Factorize e820 related
> functions" (Philippe Mathieu-Daudé)
> - Drop unneeded "[PATCH v4 1/8] hw/i386: Factorize PVH related
> functions" (Stefano Garzarella)
> - Split X86MachineState introduction into smaller patches (Philippe
> Mathieu-Daudé)
> - Change option-roms to x-option-roms and kernel-cmdline to
> auto-kernel-cmdline (Paolo Bonzini)
> - Make i8259 PIT and i8254 PIC optional (Paolo Bonzini)
> - Some fixes to the documentation (Paolo Bonzini)
> - Switch documentation format from txt to rst (Peter Maydell)
> - Move NMI interface to X86_MACHINE (Philippe Mathieu-Daudé, Paolo
> Bonzini)
>
> v4:
> - This is a complete rewrite of the whole patchset, with a focus on
> reusing as much existing code as possible to ease the maintenance burden
> and making the machine type as compatible as possible by default. As
> a result, the number of lines dedicated specifically to microvm is
> 383 (code lines measured by "cloc") and, with the default
> configuration, it's now able to boot both PVH ELF images and
> bzImages with either SeaBIOS or qboot.
>
> v3:
> - Add initrd support (thanks Stefano).
>
> v2:
> - Drop "[PATCH 1/4] hw/i386: Factorize CPU routine".
> - Simplify machine definition (thanks Eduardo).
> - Remove use of unneeded NUMA-related callbacks (thanks Eduardo).
> - Add a patch to factorize PVH-related functions.
> - Replace use of Linux's Zero Page with PVH (thanks Maran and Paolo).
>
> ---
>
> Sergio Lopez (12):
> hw/virtio: Factorize virtio-mmio headers
> hw/i386/pc: rename functions shared with non-PC machines
> hw/i386/pc: fix code style issues on functions that will be moved out
> hw/i386/pc: move shared x86 functions to x86.c and export them
> hw/i386: split PCMachineState deriving X86MachineState from it
> hw/i386: make x86.c independent from PCMachineState
> fw_cfg: add "modify" functions for all types
> hw/intc/apic: reject pic ints if isa_pic == NULL
> roms: add microvm-bios (qboot) as binary and git submodule
> docs/microvm.rst: document the new microvm machine type
> hw/i386: Introduce the microvm machine type
> MAINTAINERS: add microvm related files
>
> docs/microvm.rst | 98 ++++
> default-configs/i386-softmmu.mak | 1 +
> include/hw/i386/microvm.h | 83 ++++
> include/hw/i386/pc.h | 28 +-
> include/hw/i386/x86.h | 96 ++++
> include/hw/nvram/fw_cfg.h | 42 ++
> include/hw/virtio/virtio-mmio.h | 73 +++
> hw/acpi/cpu_hotplug.c | 10 +-
> hw/i386/acpi-build.c | 29 +-
> hw/i386/amd_iommu.c | 3 +-
> hw/i386/intel_iommu.c | 3 +-
> hw/i386/microvm.c | 572 ++++++++++++++++++++++
> hw/i386/pc.c | 781 +++---------------------------
> hw/i386/pc_piix.c | 46 +-
> hw/i386/pc_q35.c | 38 +-
> hw/i386/pc_sysfw.c | 60 +--
> hw/i386/x86.c | 795 +++++++++++++++++++++++++++++++
> hw/i386/xen/xen-hvm.c | 28 +-
> hw/intc/apic.c | 2 +-
> hw/intc/ioapic.c | 2 +-
> hw/nvram/fw_cfg.c | 29 ++
> hw/virtio/virtio-mmio.c | 48 +-
> .gitmodules | 3 +
> MAINTAINERS | 10 +
> hw/i386/Kconfig | 4 +
> hw/i386/Makefile.objs | 2 +
> pc-bios/bios-microvm.bin | Bin 0 -> 65536 bytes
> roms/Makefile | 6 +
> roms/qboot | 1 +
> 29 files changed, 1982 insertions(+), 911 deletions(-)
> create mode 100644 docs/microvm.rst
> create mode 100644 include/hw/i386/microvm.h
> create mode 100644 include/hw/i386/x86.h
> create mode 100644 include/hw/virtio/virtio-mmio.h
> create mode 100644 hw/i386/microvm.c
> create mode 100644 hw/i386/x86.c
> create mode 100644 pc-bios/bios-microvm.bin
> create mode 160000 roms/qboot
>
> --
> 2.21.0
- [PATCH v7 04/12] hw/i386/pc: move shared x86 functions to x86.c and export them, (continued)
- [PATCH v7 04/12] hw/i386/pc: move shared x86 functions to x86.c and export them, Sergio Lopez, 2019/10/08
- [PATCH v7 05/12] hw/i386: split PCMachineState deriving X86MachineState from it, Sergio Lopez, 2019/10/08
- [PATCH v7 06/12] hw/i386: make x86.c independent from PCMachineState, Sergio Lopez, 2019/10/08
- [PATCH v7 07/12] fw_cfg: add "modify" functions for all types, Sergio Lopez, 2019/10/08
- [PATCH v7 08/12] hw/intc/apic: reject pic ints if isa_pic == NULL, Sergio Lopez, 2019/10/08
- [PATCH v7 10/12] docs/microvm.rst: document the new microvm machine type, Sergio Lopez, 2019/10/08
- [PATCH v7 09/12] roms: add microvm-bios (qboot) as binary and git submodule, Sergio Lopez, 2019/10/08
- [PATCH v7 11/12] hw/i386: Introduce the microvm machine type, Sergio Lopez, 2019/10/08
- [PATCH v7 12/12] MAINTAINERS: add microvm related files, Sergio Lopez, 2019/10/08
- Re: [PATCH v7 00/12] Introduce the microvm machine type,
Michael S. Tsirkin <=