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-rw-r--r--tools/testing/selftests/bpf/usdt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/usdt.h b/tools/testing/selftests/bpf/usdt.h
index 549d1f774810..c71e21df38b3 100644
--- a/tools/testing/selftests/bpf/usdt.h
+++ b/tools/testing/selftests/bpf/usdt.h
@@ -312,6 +312,8 @@ struct usdt_sema { volatile unsigned short active; };
#ifndef USDT_NOP
#if defined(__ia64__) || defined(__s390__) || defined(__s390x__)
#define USDT_NOP nop 0
+#elif defined(__x86_64__)
+#define USDT_NOP .byte 0x90, 0x0f, 0x1f, 0x44, 0x00, 0x0 /* nop, nop5 */
#else
#define USDT_NOP nop
#endif