[19/28] x86: vdso: Delete vvar.h

Commit Message

Thomas Weißschuh Oct. 10, 2024, 7:01 a.m. UTC

All users have been removed.

Signed-off-by: Thomas Weißschuh <[e-mail]>
---
 arch/x86/include/asm/vvar.h | 66 ---------------------------------------------
 1 file changed, 66 deletions(-)

Patch

diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h
deleted file mode 100644
index d95cf92296ef6acf66089a734465eda4cba9154c..0000000000000000000000000000000000000000
--- a/arch/x86/include/asm/vvar.h
+++ /dev/null
@@ -1,66 +0,0 @@ 
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * vvar.h: Shared vDSO/kernel variable declarations
- * Copyright (c) 2011 Andy Lutomirski
- *
- * A handful of variables are accessible (read-only) from userspace
- * code in the vsyscall page and the vdso.  They are declared here.
- * Some other file must define them with DEFINE_VVAR.
- *
- * In normal kernel code, they are used like any other variable.
- * In user code, they are accessed through the VVAR macro.
- *
- * These variables live in a page of kernel data that has an extra RO
- * mapping for userspace.  Each variable needs a unique offset within
- * that page; specify that offset with the DECLARE_VVAR macro.  (If
- * you mess up, the linker will catch it.)
- */
-
-#ifndef _ASM_X86_VVAR_H
-#define _ASM_X86_VVAR_H
-
-#ifdef EMIT_VVAR
-/*
- * EMIT_VVAR() is used by the kernel linker script to put vvars in the
- * right place. Also, it's used by kernel code to import offsets values.
- */
-#define DECLARE_VVAR(offset, type, name) \
-	EMIT_VVAR(name, offset)
-#define DECLARE_VVAR_SINGLE(offset, type, name) \
-	EMIT_VVAR(name, offset)
-
-#else
-
-extern char __vvar_page;
-
-#define DECLARE_VVAR(offset, type, name)				\
-	extern type vvar_ ## name[CS_BASES]				\
-	__attribute__((visibility("hidden")));				\
-	extern type timens_ ## name[CS_BASES]				\
-	__attribute__((visibility("hidden")));				\
-
-#define DECLARE_VVAR_SINGLE(offset, type, name)				\
-	extern type vvar_ ## name					\
-	__attribute__((visibility("hidden")));				\
-
-#define VVAR(name) (vvar_ ## name)
-#define TIMENS(name) (timens_ ## name)
-
-#define DEFINE_VVAR(type, name)						\
-	type name[CS_BASES]						\
-	__attribute__((section(".vvar_" #name), aligned(16))) __visible
-
-#define DEFINE_VVAR_SINGLE(type, name)					\
-	type name							\
-	__attribute__((section(".vvar_" #name), aligned(16))) __visible
-
-#endif
-
-/* DECLARE_VVAR(offset, type, name) */
-
-DECLARE_VVAR(0, struct vdso_data, _vdso_data)
-
-#undef DECLARE_VVAR
-#undef DECLARE_VVAR_SINGLE
-
-#endif