Re: [PATCH 1/2] hw/pci-bridge: pci_expander_bridge fix type in pxb_cxl_dev_reset()

[Peter Maydell]

On Thu, 20 Apr 2023 at 15:28, Jonathan Cameron
<Jonathan.Cameron@huawei.com> wrote:
>
> Reproduce issue with
>
> configure --enable-qom-cast-debug ...
>
> qemu-system-x86_64 -display none -machine q35,cxl=on -device 
> pxb-cxl,bus=pcie.0
>
>   hw/pci-bridge/pci_expander_bridge.c:54:PXB_DEV: Object 0x5570e0b1ada0 is 
> not an instance of type pxb
>   Aborted
>
> The type conversion results in the right state structure, but PXB_DEV is
> not a parent of PXB_CXL_DEV hence the error. Rather than directly
> cleaning up the inheritance, this is the minimal fix which will be
> followed by the cleanup.
>
> Fixes: 154070eaf6 ("hw/pxb-cxl: Support passthrough HDM Decoders unless 
> overridden")
> Reported-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> --

We should add:
Cc: qemu-stable@nongnu.org

so downstreams don't have to disable the QOM cast asserts.

-- PMM