[S390] define KTIME_SCALAR for 32-bit s390
32-bit s390 has efficient support for 64/32-bit conversions, define
KTIME_SCALAR to enable the use of the plain scalar nanosecond based
representation of ktime.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f46a1b5..2ae5d72 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -121,6 +121,9 @@
bool
default y if !64BIT
+config KTIME_SCALAR
+ def_bool 32BIT
+
config SMP
bool "Symmetric multi-processing support"
---help---
