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Re: [PATCH 00/13] microvm: add acpi support
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH 00/13] microvm: add acpi support |
Date: |
Thu, 19 Mar 2020 10:59:11 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
On 19/03/20 10:33, Gerd Hoffmann wrote:
> On Thu, Mar 19, 2020 at 09:49:55AM +0100, Paolo Bonzini wrote:
>> On 19/03/20 09:01, Gerd Hoffmann wrote:
>>> I know that not supporting ACPI in microvm is intentional. If you still
>>> don't want ACPI this is perfectly fine, you can use the usual -no-acpi
>>> switch to toggle ACPI support.
>>
>> Could we change -no-acpi into a "-machine acpi=..." property? Then it
>> can have type OnOffAuto and we can decide whether to enable it by
>> default or not for microvm.
>
> For all machine types not just microvm I guess?
Yes, please. Strange that no one has noticed it for all this time!
The main reason for not having ACPI was the time that it took to start;
this is also why I preferred having device tree, but indeed that would
mean no distro kernels (we could probably use U-Boot as the firmware,
but still with a custom kernel).
Paolo
>> Also, can you confirm that it builds without CONFIG_I440FX and
>> CONFIG_Q35? You probably need to add "imply ACPI" and possibly some
>> '#include "config-devices.h"' and '#ifdef CONFIG_ACPI' here and there.
>
> Didn't try that yet, will do.
>
> cheers,
> Gerd
>
- [PATCH 07/13] [testing] seabios: update submodule to experimental microvm branch, (continued)
- [PATCH 07/13] [testing] seabios: update submodule to experimental microvm branch, Gerd Hoffmann, 2020/03/19
- [PATCH 05/13] microvm: add acpi_dsdt_add_virtio() for x86, Gerd Hoffmann, 2020/03/19
- [PATCH 09/13] [testing] seabios: update binaries to experimental microvm branch, Gerd Hoffmann, 2020/03/19
- Re: [PATCH 00/13] microvm: add acpi support, no-reply, 2020/03/19
- Re: [PATCH 00/13] microvm: add acpi support, no-reply, 2020/03/19
- Re: [PATCH 00/13] microvm: add acpi support, no-reply, 2020/03/19
- Re: [PATCH 00/13] microvm: add acpi support, Paolo Bonzini, 2020/03/19
- Re: [PATCH 00/13] microvm: add acpi support, Gerd Hoffmann, 2020/03/19
Re: [PATCH 00/13] microvm: add acpi support, Michael S. Tsirkin, 2020/03/23