From c2bd59bf44d6cd1a0bbb23a55e17b24bfb6b3df8 Mon Sep 17 00:00:00 2001
From: Bastian Blank <waldi@debian.org>
Date: Thu, 25 Jun 2026 13:03:50 +0800
Subject: [PATCH] LoongArch: 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: Bastian Blank <waldi@debian.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 arch/loongarch/vdso/elf.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/loongarch/vdso/elf.S b/arch/loongarch/vdso/elf.S
index 9bb21b9f9583d..d6e000003b858 100644
--- a/arch/loongarch/vdso/elf.S
+++ b/arch/loongarch/vdso/elf.S
@@ -7,9 +7,12 @@
 
 #include <asm/vdso/vdso.h>
 
+#include <linux/build-salt.h>
 #include <linux/elfnote.h>
 #include <linux/version.h>
 
 ELFNOTE_START(Linux, 0, "a")
 	.long LINUX_VERSION_CODE
 ELFNOTE_END
+
+BUILD_SALT
-- 
2.47.3