vdso: Preparations for generic data storage

[PATCH 17/28] x86: vdso: Move the rng offset to vsyscall.h

Posted by Thomas Weißschuh 1 month, 2 weeks ago

vvar.h will go away, so move the last useful bit into vsyscall.h.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
 arch/x86/entry/vdso/vdso-layout.lds.S | 1 +
 arch/x86/include/asm/vdso/vsyscall.h  | 3 ++-
 arch/x86/include/asm/vvar.h           | 2 --
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S
index acce60732e541f49dfc21d75e1b525c8a74f2341..c7e194b6e47def3bfa681b3ec5d45cfffbe839d2 100644
--- a/arch/x86/entry/vdso/vdso-layout.lds.S
+++ b/arch/x86/entry/vdso/vdso-layout.lds.S
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/vdso.h>
+#include <asm/vdso/vsyscall.h>
 
 /*
  * Linker script for vDSO.  This is an ELF shared object prelinked to
diff --git a/arch/x86/include/asm/vdso/vsyscall.h b/arch/x86/include/asm/vdso/vsyscall.h
index 5d6760746d15b0e12c7bf0eb727241e7576ca9c7..6e210e05f9f323e3e9ceca8a04d5f21fb6d04781 100644
--- a/arch/x86/include/asm/vdso/vsyscall.h
+++ b/arch/x86/include/asm/vdso/vsyscall.h
@@ -2,12 +2,13 @@
 #ifndef __ASM_VDSO_VSYSCALL_H
 #define __ASM_VDSO_VSYSCALL_H
 
+#define __VDSO_RND_DATA_OFFSET  640
+
 #ifndef __ASSEMBLY__
 
 #include <linux/timekeeper_internal.h>
 #include <vdso/datapage.h>
 #include <asm/vgtod.h>
-#include <asm/vvar.h>
 
 extern struct vdso_data *vdso_data;
 
diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h
index b605914f4d4347c16344e5b5e063697538d4895e..d95cf92296ef6acf66089a734465eda4cba9154c 100644
--- a/arch/x86/include/asm/vvar.h
+++ b/arch/x86/include/asm/vvar.h
@@ -19,8 +19,6 @@
 #ifndef _ASM_X86_VVAR_H
 #define _ASM_X86_VVAR_H
 
-#define __VDSO_RND_DATA_OFFSET  640
-
 #ifdef EMIT_VVAR
 /*
  * EMIT_VVAR() is used by the kernel linker script to put vvars in the

-- 
2.47.0

[tip: timers/vdso] x86/vdso: Move the rng offset to vsyscall.h

Posted by tip-bot2 for Thomas Weißschuh 3 weeks, 4 days ago

The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     75ceb49add376f3a37e96a278bdedc029afd0716
Gitweb:        https://git.kernel.org/tip/75ceb49add376f3a37e96a278bdedc029afd0716
Author:        Thomas Weißschuh <thomas.weissschuh@linutronix.de>
AuthorDate:    Thu, 10 Oct 2024 09:01:19 +02:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 02 Nov 2024 12:37:34 +01:00

x86/vdso: Move the rng offset to vsyscall.h

vvar.h will go away, so move the last useful bit into vsyscall.h.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-17-b64f0842d512@linutronix.de

---
 arch/x86/entry/vdso/vdso-layout.lds.S | 1 +
 arch/x86/include/asm/vdso/vsyscall.h  | 3 ++-
 arch/x86/include/asm/vvar.h           | 2 --
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S
index acce607..c7e194b 100644
--- a/arch/x86/entry/vdso/vdso-layout.lds.S
+++ b/arch/x86/entry/vdso/vdso-layout.lds.S
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/vdso.h>
+#include <asm/vdso/vsyscall.h>
 
 /*
  * Linker script for vDSO.  This is an ELF shared object prelinked to
diff --git a/arch/x86/include/asm/vdso/vsyscall.h b/arch/x86/include/asm/vdso/vsyscall.h
index aac7d2b..6a933f0 100644
--- a/arch/x86/include/asm/vdso/vsyscall.h
+++ b/arch/x86/include/asm/vdso/vsyscall.h
@@ -2,11 +2,12 @@
 #ifndef __ASM_VDSO_VSYSCALL_H
 #define __ASM_VDSO_VSYSCALL_H
 
+#define __VDSO_RND_DATA_OFFSET  640
+
 #ifndef __ASSEMBLY__
 
 #include <vdso/datapage.h>
 #include <asm/vgtod.h>
-#include <asm/vvar.h>
 
 extern struct vdso_data *vdso_data;
 
diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h
index b605914..d95cf92 100644
--- a/arch/x86/include/asm/vvar.h
+++ b/arch/x86/include/asm/vvar.h
@@ -19,8 +19,6 @@
 #ifndef _ASM_X86_VVAR_H
 #define _ASM_X86_VVAR_H
 
-#define __VDSO_RND_DATA_OFFSET  640
-
 #ifdef EMIT_VVAR
 /*
  * EMIT_VVAR() is used by the kernel linker script to put vvars in the

[tip: timers/vdso] x86/vdso: Move the rng offset to vsyscall.h

Posted by tip-bot2 for Thomas Weißschuh 3 weeks, 4 days ago

The following commit has been merged into the timers/vdso branch of tip:

Commit-ID:     c0dfe50a0fac0376ab8d534511e48ef9ab2c8910
Gitweb:        https://git.kernel.org/tip/c0dfe50a0fac0376ab8d534511e48ef9ab2c8910
Author:        Thomas Weißschuh <thomas.weissschuh@linutronix.de>
AuthorDate:    Thu, 10 Oct 2024 09:01:19 +02:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 02 Nov 2024 11:05:14 +01:00

x86/vdso: Move the rng offset to vsyscall.h

vvar.h will go away, so move the last useful bit into vsyscall.h.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-17-b64f0842d512@linutronix.de

---
 arch/x86/entry/vdso/vdso-layout.lds.S | 1 +
 arch/x86/include/asm/vdso/vsyscall.h  | 2 ++
 arch/x86/include/asm/vvar.h           | 2 --
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/entry/vdso/vdso-layout.lds.S b/arch/x86/entry/vdso/vdso-layout.lds.S
index acce607..c7e194b 100644
--- a/arch/x86/entry/vdso/vdso-layout.lds.S
+++ b/arch/x86/entry/vdso/vdso-layout.lds.S
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <asm/vdso.h>
+#include <asm/vdso/vsyscall.h>
 
 /*
  * Linker script for vDSO.  This is an ELF shared object prelinked to
diff --git a/arch/x86/include/asm/vdso/vsyscall.h b/arch/x86/include/asm/vdso/vsyscall.h
index aac7d2b..622dd17 100644
--- a/arch/x86/include/asm/vdso/vsyscall.h
+++ b/arch/x86/include/asm/vdso/vsyscall.h
@@ -2,6 +2,8 @@
 #ifndef __ASM_VDSO_VSYSCALL_H
 #define __ASM_VDSO_VSYSCALL_H
 
+#define __VDSO_RND_DATA_OFFSET  640
+
 #ifndef __ASSEMBLY__
 
 #include <vdso/datapage.h>
diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h
index b605914..d95cf92 100644
--- a/arch/x86/include/asm/vvar.h
+++ b/arch/x86/include/asm/vvar.h
@@ -19,8 +19,6 @@
 #ifndef _ASM_X86_VVAR_H
 #define _ASM_X86_VVAR_H
 
-#define __VDSO_RND_DATA_OFFSET  640
-
 #ifdef EMIT_VVAR
 /*
  * EMIT_VVAR() is used by the kernel linker script to put vvars in the