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I authored the upstream >> patch, but did not tag it for stable. It corrects a Kconfig default >> and thereby enables the DMA-BUF importer checks in configurations >> that take the DEBUG_KERNEL default. > > Dropped from the 7.2 queue, so it won't be in 7.2.8. > Thanks for catching this Karl and I agree completely. That config option is for phasing out a broken approach in some DRM drivers, but not meant to be added to any stable kernel. Regards, Christian.