reproduce:
        # https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/commit/?id=22d0af9c87707432e9f6bd461486acd29e066110
        git remote add conor https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git
        git fetch --no-tags conor pcie-fix-series
        git checkout 22d0af9c87707432e9f6bd461486acd29e066110
        # choose either of the following two methods to reproduce the issue
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_DMA_GLOBAL_POOL --selectors CONFIG_ERRATA_POLARFIRE_SOC_DMA_NON_COHERENT -a=riscv
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=riscv olddefconfig