aboutsummaryrefslogtreecommitdiff
path: root/include/asm-s390/processor.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-s390/processor.h')
-rw-r--r--include/asm-s390/processor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index e0fcea8c64c..5cb480af65d 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -216,6 +216,11 @@ static inline void cpu_relax(void)
barrier();
}
+static inline void psw_set_key(unsigned int key)
+{
+ asm volatile("spka 0(%0)" : : "d" (key));
+}
+
/*
* Set PSW to specified value.
*/