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Re: [PATCH v10 13/15] docs/microvm.rst: document the new microvm machine
From: |
Sergio Lopez |
Subject: |
Re: [PATCH v10 13/15] docs/microvm.rst: document the new microvm machine type |
Date: |
Thu, 17 Oct 2019 12:45:36 +0200 |
User-agent: |
mu4e 1.2.0; emacs 26.2 |
Philippe Mathieu-Daudé <address@hidden> writes:
> Hi Sergio,
>
> On 10/16/19 12:12 PM, Sergio Lopez wrote:
>> +Supported devices
>> +-----------------
>> +
>> +The microvm machine type supports the following devices:
>> +
>> +- ISA bus
>> +- i8259 PIC (optional)
>> +- i8254 PIT (optional)
>> +- MC146818 RTC (optional)
>> +- One ISA serial port (optional)
>> +- LAPIC
>> +- IOAPIC (with kernel-irqchip=split by default)
>> +- kvmclock (if using KVM)
>> +- fw_cfg
>> +- Up to eight virtio-mmio devices (configured by the user)
>
> If we have VirtIO devices, why not use virtio-serial instead of the
> one on the ISA bus?
The serial port on the ISA bus is simpler, and thus is supported for
both SeaBIOS debugging and Linux's earlyprintk. This makes it *very*
convenient for debugging boot issues.
Also, as it's explained in the documentation, users that no longer need
it can disable the device and just rely on virtio-console.
Sergio.
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- [PATCH v10 08/15] hw/i386: split PCMachineState deriving X86MachineState from it, (continued)
- [PATCH v10 08/15] hw/i386: split PCMachineState deriving X86MachineState from it, Sergio Lopez, 2019/10/16
- [PATCH v10 09/15] hw/i386: make x86.c independent from PCMachineState, Sergio Lopez, 2019/10/16
- [PATCH v10 10/15] fw_cfg: add "modify" functions for all types, Sergio Lopez, 2019/10/16
- [PATCH v10 11/15] hw/intc/apic: reject pic ints if isa_pic == NULL, Sergio Lopez, 2019/10/16
- [PATCH v10 12/15] roms: add microvm-bios (qboot) as binary and git submodule, Sergio Lopez, 2019/10/16
- [PATCH v10 13/15] docs/microvm.rst: document the new microvm machine type, Sergio Lopez, 2019/10/16
- Re: [PATCH v10 13/15] docs/microvm.rst: document the new microvm machine type, Daniel P . Berrangé, 2019/10/17
[PATCH v10 15/15] MAINTAINERS: add microvm related files, Sergio Lopez, 2019/10/16
[PATCH v10 14/15] hw/i386: Introduce the microvm machine type, Sergio Lopez, 2019/10/16