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Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine ty
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type |
Date: |
Wed, 25 Sep 2019 09:57:42 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 25/09/19 07:49, Sergio Lopez wrote:
>>> +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".
>
> Well, I prefer my paragraph, but I'm good with either.
You're right my version sort of missed the point. What about
s/benchmarking/benchmarking and optimizing/?
>>> +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?
>
> We need the PIT for non-KVM accel (if present with KVM and
> kernel_irqchip_split = off, it basically becomes a placeholder)
Why?
> and the
> PIC for both the PIT and the ISA serial port.
Can't the ISA serial port work with the IOAPIC?
Paolo
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- [PATCH v4 5/8] fw_cfg: add "modify" functions for all types, (continued)
- [PATCH v4 5/8] fw_cfg: add "modify" functions for all types, Sergio Lopez, 2019/09/24
- [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it, Sergio Lopez, 2019/09/24
- [PATCH v4 6/8] roms: add microvm-bios (qboot) as binary and git submodule, Sergio Lopez, 2019/09/24
- [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/24
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/24
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type,
Paolo Bonzini <=
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/25
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/26
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/26
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Sergio Lopez, 2019/09/26
- Re: [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type, Paolo Bonzini, 2019/09/26