reproduce (this is a W=1 build):
        git remote add pci https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git
        git fetch pci next
        git checkout pci/next
        b4 shazam https://lore.kernel.org/r/32fe78c5ec4a08bf0414d80ce9ed9121270b9cb0.1731130093.git.nicolinc@nvidia.com
        # 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/pci/msi/