On Thu, Jan 20, 2022 at 8:38 AM <guoren@xxxxxxxxxx> wrote: > @@ -0,0 +1,136 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +#ifndef __ASM_COMPAT_H > +#define __ASM_COMPAT_H > + > +#define compat_mode_t compat_mode_t > +typedef u16 compat_mode_t; I think this one is wrong, as rv32 should get the native definition from include/uapi/asm-generic/posix_types.h:typedef unsigned int __kernel_mode_t; I think it works if you just remove those two lines. The rest looks good to me. Arnd