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-rw-r--r--tools/perf/tests/wp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c
index cc8719609b19..6c178985e37f 100644
--- a/tools/perf/tests/wp.c
+++ b/tools/perf/tests/wp.c
@@ -20,7 +20,12 @@ do { \
TEST_ASSERT_VAL(text, count == val); \
} while (0)
+#ifdef __i386__
+/* Only breakpoint length less-than 8 has hardware support on i386. */
+volatile u32 data1;
+#else
volatile u64 data1;
+#endif
volatile u8 data2[3];
#ifndef __s390x__