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-rw-r--r--arch/x86/vdso/vdso.lds.S10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/vdso/vdso.lds.S b/arch/x86/vdso/vdso.lds.S
index 667d3245d97..d40d0e90619 100644
--- a/arch/x86/vdso/vdso.lds.S
+++ b/arch/x86/vdso/vdso.lds.S
@@ -8,6 +8,16 @@
#define VDSO_PRELINK 0xffffffffff700000
+/*
+ * Symbols we define here called VDSO* get their values into vdso-syms.lds
+ * and become visible to the kernel itself.
+ */
+VDSO64_PRELINK = VDSO_PRELINK;
+
+#define VEXTERN(x) VDSO64_ ## x = vdso_ ## x;
+#include "vextern.h"
+#undef VEXTERN
+
SECTIONS
{
. = VDSO_PRELINK + SIZEOF_HEADERS;