On Mon, 20 Mar 2017, Kyle Huey wrote: > --- a/arch/x86/include/uapi/asm/prctl.h > +++ b/arch/x86/include/uapi/asm/prctl.h > @@ -6,8 +6,17 @@ > #define ARCH_GET_FS 0x1003 > #define ARCH_GET_GS 0x1004 > > +#define ARCH_GET_CPUID 0x1005 > +#define ARCH_SET_CPUID 0x1006 > + > #define ARCH_MAP_VDSO_X32 0x2001 > #define ARCH_MAP_VDSO_32 0x2002 > #define ARCH_MAP_VDSO_64 0x2003 > > +#ifdef CONFIG_CHECKPOINT_RESTORE > +# define ARCH_MAP_VDSO_X32 0x2001 > +# define ARCH_MAP_VDSO_32 0x2002 > +# define ARCH_MAP_VDSO_64 0x2003 > +#endif That hunk is bogus in two aspects: - It's just a copy of the above wrapped in a ifdef - The ifdef is broken, because the UAPI headers do not know about that. I dropped it.