linux-kernel - [PATCHv6 4/4] arm64: Add build salt to the vDSO

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Date:   Thu,  5 Jul 2018 17:49:40 -0700
From:   Laura Abbott <labbott@...hat.com>
To:     mjw@...oraproject.org, "H . J . Lu" <hjl.tools@...il.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>
Cc:     Laura Abbott <labbott@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        X86 ML <x86@...nel.org>, linux-kernel@...r.kernel.org,
        Nick Clifton <nickc@...hat.com>,
        Cary Coutant <ccoutant@...il.com>,
        linux-kbuild@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCHv6 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.

Acked-by: Will Deacon <will.deacon@....com>
Signed-off-by: Laura Abbott <labbott@...hat.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