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Subject[PATCHv5 4/4] arm64: Add build salt to the vDSO

The vDSO needs to have a unique build id in a similar manner
to the kernel and modules. Use the build salt macro.

Signed-off-by: Laura Abbott <>
v5: I was previously focused on x86 only but since powerpc gave a patch,
I figured I would do arm64 since the changes were also fairly simple.
arch/arm64/kernel/vdso/note.S | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/vdso/note.S b/arch/arm64/kernel/vdso/note.S
index b82c85e5d972..2c429dfd3f45 100644
--- a/arch/arm64/kernel/vdso/note.S
+++ b/arch/arm64/kernel/vdso/note.S
@@ -22,7 +22,10 @@
#include <linux/uts.h>
#include <linux/version.h>
#include <linux/elfnote.h>
+#include <linux/build-salt.h>

ELFNOTE_START(Linux, 0, "a")
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