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authorLaura Abbott <labbott@redhat.com>2018-07-05 17:49:38 -0700
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-07-18 01:18:05 +0900
commitd623f60df03a1e44c823ed906ca8ddbd8d3a5983 (patch)
treeebed20fcb86ce97224af4bec62dbd968ebf199c9 /arch/x86/entry/vdso
parent9afb719e7046c4f2462278862ab3db2961cc141c (diff)
downloadlinux-d623f60df03a1e44c823ed906ca8ddbd8d3a5983.tar.bz2
x86: 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: Andy Lutomirski <luto@kernel.org> Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/x86/entry/vdso')
-rw-r--r--arch/x86/entry/vdso/vdso-note.S3
-rw-r--r--arch/x86/entry/vdso/vdso32/note.S3
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/entry/vdso/vdso-note.S b/arch/x86/entry/vdso/vdso-note.S
index 79a071e4357e..79423170118f 100644
--- a/arch/x86/entry/vdso/vdso-note.S
+++ b/arch/x86/entry/vdso/vdso-note.S
@@ -3,6 +3,7 @@
* Here we can supply some information useful to userland.
*/
+#include <linux/build-salt.h>
#include <linux/uts.h>
#include <linux/version.h>
#include <linux/elfnote.h>
@@ -10,3 +11,5 @@
ELFNOTE_START(Linux, 0, "a")
.long LINUX_VERSION_CODE
ELFNOTE_END
+
+BUILD_SALT
diff --git a/arch/x86/entry/vdso/vdso32/note.S b/arch/x86/entry/vdso/vdso32/note.S
index 9fd51f206314..e78047d119f6 100644
--- a/arch/x86/entry/vdso/vdso32/note.S
+++ b/arch/x86/entry/vdso/vdso32/note.S
@@ -4,6 +4,7 @@
* Here we can supply some information useful to userland.
*/
+#include <linux/build-salt.h>
#include <linux/version.h>
#include <linux/elfnote.h>
@@ -14,6 +15,8 @@ ELFNOTE_START(Linux, 0, "a")
.long LINUX_VERSION_CODE
ELFNOTE_END
+BUILD_SALT
+
#ifdef CONFIG_XEN
/*
* Add a special note telling glibc's dynamic linker a fake hardware