From de9537aca25d53d9b44e7ec9a9952ebd77d69cd1 Mon Sep 17 00:00:00 2001
From: Laura Abbott <labbott@redhat.com>
Date: Tue, 3 Jul 2018 16:01:24 -0700
Subject: [PATCHv6 4/4] arm64: Add build salt to the vDSO
Cc: Andy Lutomirski <luto@kernel.org>
To: mjw@fedoraproject.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
To: H. J. Lu <hjl.tools@gmail.com>
Cc: X86 ML <x86@kernel.org>
Cc: linux-kernel@vger.kernel.org
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Nick Clifton <nickc@redhat.com>
Cc: Cary Coutant <ccoutant@gmail.com>
Cc: linux-kbuild@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
To: Catalin Marinas <catalin.marinas@arm.com>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org

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

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Laura Abbott <labbott@redhat.com>
---
v6: Remove the semi-colon, Ack from Will
---
 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..e20483b104d9 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")
 	.long LINUX_VERSION_CODE
 ELFNOTE_END
+
+BUILD_SALT
-- 
2.17.1