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-rw-r--r--tools/perf/arch/x86/tests/regs_load.S8
-rw-r--r--tools/perf/config/Makefile4
2 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S
index 99167bf644e..60875d5c556 100644
--- a/tools/perf/arch/x86/tests/regs_load.S
+++ b/tools/perf/arch/x86/tests/regs_load.S
@@ -1,4 +1,3 @@
-
#include <linux/linkage.h>
#define AX 0
@@ -90,3 +89,10 @@ ENTRY(perf_regs_load)
ret
ENDPROC(perf_regs_load)
#endif
+
+/*
+ * We need to provide note.GNU-stack section, saying that we want
+ * NOT executable stack. Otherwise the final linking will assume that
+ * the ELF stack should not be restricted at all and set it RWX.
+ */
+.section .note.GNU-stack,"",@progbits
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index a57d59e7fe4..802cf544202 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -117,6 +117,10 @@ CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -std=gnu99
+# Enforce a non-executable stack, as we may regress (again) in the future by
+# adding assembler files missing the .GNU-stack linker note.
+LDFLAGS += -Wl,-z,noexecstack
+
EXTLIBS = -lelf -lpthread -lrt -lm -ldl
ifneq ($(OUTPUT),)