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Re: [PATCH v2 1/1] hw/nvram: Always register FW_CFG_DATA_GENERATOR_INTER
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From: |
Kevin Wolf |
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Subject: |
Re: [PATCH v2 1/1] hw/nvram: Always register FW_CFG_DATA_GENERATOR_INTERFACE |
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Date: |
Tue, 6 Oct 2020 14:15:07 +0200 |
Am 06.10.2020 um 13:19 hat Philippe Mathieu-Daudé geschrieben:
> While the FW_CFG_DATA_GENERATOR_INTERFACE is only consumed
> by a device only available using system-mode (fw_cfg), it is
> implemented by a crypto component (tls-cipher-suites) which
> is always available when crypto is used.
>
> Commit 69699f3055 introduced the following error in the
> qemu-storage-daemon binary:
>
> $ echo -e \
> '{"execute": "qmp_capabilities"}\r\n{"execute":
> "qom-list-types"}\r\n{"execute": "quit"}\r\n' \
> | storage-daemon/qemu-storage-daemon --chardev stdio,id=qmp0 --monitor
> qmp0
> {"QMP": {"version": {"qemu": {"micro": 50, "minor": 1, "major": 5},
> "package": ""}, "capabilities": ["oob"]}}
> {"return": {}}
> missing interface 'fw_cfg-data-generator' for object 'tls-creds'
> Aborted (core dumped)
>
> Since QOM dependencies are resolved at runtime, this issue
> could not be triggered at linktime, and we don't have test
> running the qemu-storage-daemon binary.
>
> Fix by always registering the QOM interface.
>
> Reported-by: Kevin Wolf <kwolf@redhat.com>
> Fixes: 69699f3055 ("crypto/tls-cipher-suites: Produce fw_cfg consumable blob")
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This fails to build for me:
../hw/nvram/meson.build:2:7: ERROR: Unknown method "add" in object.
Kevin