[S390] mutex: enable spinning mutex on s390
This enables the spinning mutex feature on s390 by removing
HAVE_DEFAULT_NO_SPIN_MUTEXES from arch/s390/Kconfig.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index c05d081..ff19efd 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -73,7 +73,6 @@
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_REGS_AND_STACK_ACCESS_API
- select HAVE_DEFAULT_NO_SPIN_MUTEXES
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES