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Re: [Qemu-devel] i440/piix and dynamic sysbus check

From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] i440/piix and dynamic sysbus check
Date: Wed, 8 Nov 2017 10:57:27 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 07/11/2017 18:40, Marc-André Lureau wrote:

I am working on a TPM CRB device (last sent version:
It's a sysbus device, and when starting qemu with i440, I get "Option
'-device tpm-crb' cannot be handled by this machine".

The check comes from machine_init_notify(), checking that the machine

  Apparently, q35 supports it. But not i440. If I declare
has_dynamic_sysbus in piix, the device works fine.

Marcel, could we do something similar to piix to what you did for q35?:

Yes, as long as we check all sysbus devices that can't be created
with '-device' have their "cannot_be_insta...yet" flag set.

If Eduardo's series achieves the above is OK.


commit bf8d492405feaee2c1685b3b9d5e03228ed3e47f
Author: Marcel Apfelbaum <address@hidden>
Date:   Mon Jun 27 18:38:33 2016 +0300

     q35: allow dynamic sysbus


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