Bart Van Assche <bart.vanassche@xxxxxxx> writes: > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index c32a181a7cbb..901365d12dcd 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -149,6 +149,7 @@ config PPC > select ARCH_HAS_UACCESS_FLUSHCACHE if PPC64 > select ARCH_HAS_UBSAN_SANITIZE_ALL > select ARCH_HAS_ZONE_DEVICE if PPC_BOOK3S_64 > + select ARCH_HAVE_CMPXCHG64 if PPC64 > select ARCH_HAVE_NMI_SAFE_CMPXCHG > select ARCH_MIGHT_HAVE_PC_PARPORT > select ARCH_MIGHT_HAVE_PC_SERIO LGTM. Thanks. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers
