linux-kernel - [PATCH v2 6/6] x86: Remove vestiges of VDSO

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Date:	Thu, 24 Apr 2014 15:09:05 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:	Stefani Seibold <stefani@...bold.net>,
	linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...capital.net>
Subject: [PATCH v2 6/6] x86: Remove vestiges of VDSO_PRELINK and some outdated comments

These definitions had no effect.

Signed-off-by: Andy Lutomirski <luto@...capital.net>
---
 arch/x86/vdso/vdso.lds.S          | 7 +------
 arch/x86/vdso/vdso32/vdso32.lds.S | 5 +----
 arch/x86/vdso/vdsox32.lds.S       | 7 +------
 3 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/arch/x86/vdso/vdso.lds.S b/arch/x86/vdso/vdso.lds.S
index b96b267..75e3404 100644
--- a/arch/x86/vdso/vdso.lds.S
+++ b/arch/x86/vdso/vdso.lds.S
@@ -1,14 +1,11 @@
 /*
  * Linker script for 64-bit vDSO.
  * We #include the file to define the layout details.
- * Here we only choose the prelinked virtual address.
  *
  * This file defines the version script giving the user-exported symbols in
- * the DSO.  We can define local symbols here called VDSO* to make their
- * values visible using the asm-x86/vdso.h macros from the kernel proper.
+ * the DSO.
  */
 
-#define VDSO_PRELINK 0xffffffffff700000
 #include "vdso-layout.lds.S"
 
 /*
@@ -28,5 +25,3 @@ VERSION {
 	local: *;
 	};
 }
-
-VDSO64_PRELINK = VDSO_PRELINK;
diff --git a/arch/x86/vdso/vdso32/vdso32.lds.S b/arch/x86/vdso/vdso32/vdso32.lds.S
index f072095..31056cf 100644
--- a/arch/x86/vdso/vdso32/vdso32.lds.S
+++ b/arch/x86/vdso/vdso32/vdso32.lds.S
@@ -1,17 +1,14 @@
 /*
  * Linker script for 32-bit vDSO.
  * We #include the file to define the layout details.
- * Here we only choose the prelinked virtual address.
  *
  * This file defines the version script giving the user-exported symbols in
- * the DSO.  We can define local symbols here called VDSO* to make their
- * values visible using the asm-x86/vdso.h macros from the kernel proper.
+ * the DSO.
  */
 
 #include <asm/page.h>
 
 #define BUILD_VDSO32
-#define VDSO_PRELINK 0
 
 #include "../vdso-layout.lds.S"
 
diff --git a/arch/x86/vdso/vdsox32.lds.S b/arch/x86/vdso/vdsox32.lds.S
index 62272aa..46b991b 100644
--- a/arch/x86/vdso/vdsox32.lds.S
+++ b/arch/x86/vdso/vdsox32.lds.S
@@ -1,14 +1,11 @@
 /*
  * Linker script for x32 vDSO.
  * We #include the file to define the layout details.
- * Here we only choose the prelinked virtual address.
  *
  * This file defines the version script giving the user-exported symbols in
- * the DSO.  We can define local symbols here called VDSO* to make their
- * values visible using the asm-x86/vdso.h macros from the kernel proper.
+ * the DSO.
  */
 
-#define VDSO_PRELINK 0
 #include "vdso-layout.lds.S"
 
 /*
@@ -24,5 +21,3 @@ VERSION {
 	local: *;
 	};
 }
-
-VDSOX32_PRELINK = VDSO_PRELINK;
-- 
1.9.0

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