Re: [PATCH v2 1/1] hw/nvram: Always register FW_CFG_DATA_GENERATOR_INTERFACE

[Kevin Wolf <kwolf@redhat.com>]

Am 06.10.2020 um 14:20 hat Paolo Bonzini geschrieben:
> On 06/10/20 14:15, Kevin Wolf wrote:
> > 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.
> 
> It's
> 
>   Based-on: <20201006111219.2300921-1-philmd@redhat.com>
> 
> (which won't be applied in exactly that shape, but more or less it will
> be the same).

Oh, I see. Then I guess it's not supposed to be merged through my tree.

Kevin