summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/percpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/percpu.h')
-rw-r--r--arch/s390/include/asm/percpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h
index cb5fc0690435..081837b391e3 100644
--- a/arch/s390/include/asm/percpu.h
+++ b/arch/s390/include/asm/percpu.h
@@ -31,7 +31,7 @@
pcp_op_T__ *ptr__; \
preempt_disable_notrace(); \
ptr__ = raw_cpu_ptr(&(pcp)); \
- prev__ = *ptr__; \
+ prev__ = READ_ONCE(*ptr__); \
do { \
old__ = prev__; \
new__ = old__ op (val); \