Re: [PATCH 13/14] hw/vfio/ccw: Check CONFIG_IOMMUFD at runtime using iommufd_builtin()

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 7/3/25 21:45, Richard Henderson wrote:
> On 3/7/25 10:03, Philippe Mathieu-Daudé wrote:
>> Convert the compile time check on the CONFIG_IOMMUFD definition
>> by a runtime one by calling iommufd_builtin().
>>
>> Since the file doesn't use any target-specific knowledge anymore,
>> move it to system_ss[] to build it once.
>>
>> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>> ---
>>   hw/vfio/ccw.c       | 27 +++++++++++++--------------
>>   hw/vfio/meson.build |  2 +-
>>   2 files changed, 14 insertions(+), 15 deletions(-)
> 
> Again, separate the changes for iommufd_builtin and meson.
> This is an s390x specific device; it really can't be shared beyond.

I wouldn't be surprised if someone try to emulate a s390x+riscv
machine *and* use VFIO, human creativity is limitless!