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-rw-r--r--arch/Kconfig3
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--kernel/mutex.c3
3 files changed, 6 insertions, 1 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index dc81b34c5d82..78a35e9dc104 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -109,3 +109,6 @@ config HAVE_CLK
config HAVE_DMA_API_DEBUG
bool
+
+config HAVE_DEFAULT_NO_SPIN_MUTEXES
+ bool
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index dcb667c4375a..2eca5fe0e75b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -82,6 +82,7 @@ config S390
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_SYSCALL_WRAPPERS
select HAVE_FUNCTION_TRACER
+ select HAVE_DEFAULT_NO_SPIN_MUTEXES
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
diff --git a/kernel/mutex.c b/kernel/mutex.c
index 5d79781394a3..507cf2b5e9f1 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -148,7 +148,8 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
preempt_disable();
mutex_acquire(&lock->dep_map, subclass, 0, ip);
-#if defined(CONFIG_SMP) && !defined(CONFIG_DEBUG_MUTEXES)
+#if defined(CONFIG_SMP) && !defined(CONFIG_DEBUG_MUTEXES) && \
+ !defined(CONFIG_HAVE_DEFAULT_NO_SPIN_MUTEXES)
/*
* Optimistic spinning.
*