reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/f90f5e1e6e58e1352f090b4119e771286ef6b402
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Potnuri-Bharat-Teja/cxgb4-Add-T7-register-definitions-and-core-structures/20260607-024352
        git checkout f90f5e1e6e58e1352f090b4119e771286ef6b402

        # clang-22 might not be officially released. Try a lower version if installation fails.
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/chelsio/cxgb4/