From: Paolo Bonzini <pbonzini@redhat.com> To: Sergio Lopez <slp@redhat.com>, qemu-devel@nongnu.org Cc: mst@redhat.com, imammedo@redhat.com, marcel.apfelbaum@gmail.com, rth@twiddle.net, ehabkost@redhat.com, philmd@redhat.com, lersek@redhat.com, kraxel@redhat.com, mtosatti@redhat.com, kvm@vger.kernel.org Subject: Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type Date: Tue, 24 Sep 2019 15:10:32 +0200 [thread overview] Message-ID: <23a6e891-c3ba-3991-d627-433eb1fe156d@redhat.com> (raw) In-Reply-To: <20190924124433.96810-8-slp@redhat.com> 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) > +
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com> To: Sergio Lopez <slp@redhat.com>, qemu-devel@nongnu.org Cc: ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, lersek@redhat.com, mtosatti@redhat.com, kraxel@redhat.com, imammedo@redhat.com, philmd@redhat.com, rth@twiddle.net Subject: Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type Date: Tue, 24 Sep 2019 15:10:32 +0200 [thread overview] Message-ID: <23a6e891-c3ba-3991-d627-433eb1fe156d@redhat.com> (raw) In-Reply-To: <20190924124433.96810-8-slp@redhat.com> 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) > +
next prev parent reply other threads:[~2019-09-24 13:10 UTC|newest] Thread overview: 133+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-24 12:44 [PATCH v4 0/8] Introduce the microvm machine type Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 12:44 ` [PATCH v4 1/8] hw/i386: Factorize PVH related functions Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 13:18 ` Philippe Mathieu-Daudé 2019-09-24 13:18 ` Philippe Mathieu-Daudé 2019-09-25 6:03 ` Sergio Lopez 2019-09-25 6:03 ` Sergio Lopez 2019-09-25 8:36 ` Stefano Garzarella 2019-09-25 8:36 ` Stefano Garzarella 2019-09-25 9:00 ` Sergio Lopez 2019-09-25 9:00 ` Sergio Lopez 2019-09-25 9:29 ` Stefano Garzarella 2019-09-25 9:29 ` Stefano Garzarella 2019-09-24 12:44 ` [PATCH v4 2/8] hw/i386: Factorize e820 " Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 13:20 ` Philippe Mathieu-Daudé 2019-09-24 13:20 ` Philippe Mathieu-Daudé 2019-09-24 14:12 ` Sergio Lopez 2019-09-24 14:12 ` Sergio Lopez 2019-09-24 12:44 ` [PATCH v4 3/8] hw/virtio: Factorize virtio-mmio headers Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 12:44 ` [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it Sergio Lopez 2019-09-24 13:40 ` Philippe Mathieu-Daudé 2019-09-25 15:39 ` Philippe Mathieu-Daudé 2019-09-24 12:44 ` [PATCH v4 5/8] fw_cfg: add "modify" functions for all types Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 12:44 ` [PATCH v4 6/8] roms: add microvm-bios (qboot) as binary and git submodule Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 13:31 ` Philippe Mathieu-Daudé 2019-09-24 13:31 ` Philippe Mathieu-Daudé 2019-09-25 6:09 ` Sergio Lopez 2019-09-25 6:09 ` Sergio Lopez 2019-09-24 12:44 ` [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 13:10 ` Paolo Bonzini [this message] 2019-09-24 13:10 ` Paolo Bonzini 2019-09-25 5:49 ` Sergio Lopez 2019-09-25 5:49 ` Sergio Lopez 2019-09-25 7:57 ` Paolo Bonzini 2019-09-25 7:57 ` Paolo Bonzini 2019-09-25 8:40 ` Sergio Lopez 2019-09-25 8:40 ` Sergio Lopez 2019-09-25 9:22 ` Paolo Bonzini 2019-09-25 9:22 ` Paolo Bonzini 2019-09-25 11:04 ` Sergio Lopez 2019-09-25 11:04 ` Sergio Lopez 2019-09-25 11:20 ` Paolo Bonzini 2019-09-25 11:20 ` Paolo Bonzini 2019-09-25 15:04 ` Sergio Lopez 2019-09-25 15:04 ` Sergio Lopez 2019-09-25 16:46 ` Paolo Bonzini 2019-09-25 16:46 ` Paolo Bonzini 2019-09-26 6:23 ` Sergio Lopez 2019-09-26 6:23 ` Sergio Lopez 2019-09-26 8:58 ` Paolo Bonzini 2019-09-26 8:58 ` Paolo Bonzini 2019-09-26 10:16 ` Sergio Lopez 2019-09-26 10:16 ` Sergio Lopez 2019-09-26 10:21 ` Paolo Bonzini 2019-09-26 10:21 ` Paolo Bonzini 2019-09-26 12:12 ` Sergio Lopez 2019-09-26 12:12 ` Sergio Lopez 2019-09-25 5:06 ` Gerd Hoffmann 2019-09-25 5:06 ` Gerd Hoffmann 2019-09-25 7:33 ` Sergio Lopez 2019-09-25 7:33 ` Sergio Lopez 2019-09-25 8:51 ` Gerd Hoffmann 2019-09-25 8:51 ` Gerd Hoffmann 2019-09-24 12:44 ` [PATCH v4 8/8] hw/i386: Introduce the " Sergio Lopez 2019-09-24 12:44 ` Sergio Lopez 2019-09-24 13:12 ` Paolo Bonzini 2019-09-24 13:12 ` Paolo Bonzini 2019-09-24 13:24 ` Michael S. Tsirkin 2019-09-24 13:24 ` Michael S. Tsirkin 2019-09-24 13:34 ` Paolo Bonzini 2019-09-24 13:34 ` Paolo Bonzini 2019-09-25 5:53 ` Sergio Lopez 2019-09-25 5:53 ` Sergio Lopez 2019-09-24 13:28 ` Michael S. Tsirkin 2019-09-24 13:28 ` Michael S. Tsirkin 2019-09-25 5:59 ` Sergio Lopez 2019-09-25 5:59 ` Sergio Lopez 2019-10-01 8:56 ` Sergio Lopez 2019-10-01 8:56 ` Sergio Lopez 2019-09-25 15:40 ` Philippe Mathieu-Daudé 2019-09-25 15:40 ` Philippe Mathieu-Daudé 2019-09-26 6:34 ` Sergio Lopez 2019-09-26 6:34 ` Sergio Lopez 2019-09-26 8:59 ` Paolo Bonzini 2019-09-26 8:59 ` Paolo Bonzini 2019-09-24 13:57 ` [PATCH v4 0/8] " Peter Maydell 2019-09-24 13:57 ` Peter Maydell 2019-09-25 5:51 ` Sergio Lopez 2019-09-25 5:51 ` Sergio Lopez 2019-09-25 11:33 ` Philippe Mathieu-Daudé 2019-09-25 11:33 ` Philippe Mathieu-Daudé 2019-09-25 12:39 ` Peter Maydell 2019-09-25 12:39 ` Peter Maydell 2019-09-25 7:41 ` David Hildenbrand 2019-09-25 7:41 ` David Hildenbrand 2019-09-25 7:58 ` Pankaj Gupta 2019-09-25 7:58 ` Pankaj Gupta 2019-09-25 8:10 ` Sergio Lopez 2019-09-25 8:10 ` Sergio Lopez 2019-09-25 8:16 ` David Hildenbrand 2019-09-25 8:16 ` David Hildenbrand 2019-09-25 8:37 ` Pankaj Gupta 2019-09-25 8:37 ` Pankaj Gupta 2019-09-25 8:26 ` Paolo Bonzini 2019-09-25 8:26 ` Paolo Bonzini 2019-09-25 8:42 ` Sergio Lopez 2019-09-25 8:42 ` Sergio Lopez 2019-09-25 8:44 ` David Hildenbrand 2019-09-25 8:44 ` David Hildenbrand 2019-09-25 10:19 ` when to use virtio (was Re: [PATCH v4 0/8] Introduce the microvm machine type) Paolo Bonzini 2019-09-25 10:19 ` Paolo Bonzini 2019-09-25 10:50 ` David Hildenbrand 2019-09-25 10:50 ` David Hildenbrand 2019-09-25 11:24 ` Paolo Bonzini 2019-09-25 11:24 ` Paolo Bonzini 2019-09-25 11:32 ` David Hildenbrand 2019-09-25 11:32 ` David Hildenbrand 2019-09-25 9:12 ` [PATCH v4 0/8] Introduce the microvm machine type Gerd Hoffmann 2019-09-25 9:12 ` Gerd Hoffmann 2019-09-25 9:29 ` Paolo Bonzini 2019-09-25 9:29 ` Paolo Bonzini 2019-09-25 9:47 ` David Hildenbrand 2019-09-25 9:47 ` David Hildenbrand 2019-09-26 7:48 ` Christian Borntraeger 2019-09-26 7:48 ` Christian Borntraeger 2019-09-26 8:22 ` Sergio Lopez 2019-09-26 8:22 ` Sergio Lopez
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