reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/3a69d9395a88f53b7a52aa91446b93c305a510ba
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Matt-Evans/vfio-pci-Set-up-barmap-in-vfio_pci_core_enable/20260426-165316
        git checkout 3a69d9395a88f53b7a52aa91446b93c305a510ba

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/vfio/pci/