reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/a9dbca218958fa8af0150cd86394228406942c62
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jing-Wu/sched-isolation-Replace-notifier-chain-with-explicit-callback-interface/20260618-111648
        git checkout a9dbca218958fa8af0150cd86394228406942c62

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/irq/