The following commit has been merged into the timers/vdso branch of tip:
Commit-ID: 7f98f677f54cd0578da4a5dd2b7dc268c7b5f423
Gitweb: https://git.kernel.org/tip/7f98f677f54cd0578da4a5dd2b7dc268c7b5f423
Author: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
AuthorDate: Thu, 10 Oct 2024 09:01:06 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Sat, 02 Nov 2024 11:05:13 +01:00
arm64: vdso: Drop LBASE_VDSO
This constant is always "0", providing no value and making the logic
harder to understand.
Also prepare for a consolidation of the vdso linkerscript logic by
aligning it with other architectures.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Will Deacon <will@xxxxxxxxxx>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-4-b64f0842d512@xxxxxxxxxxxxx
---
arch/arm64/include/asm/vdso.h | 9 +--------
arch/arm64/kernel/vdso/vdso.lds.S | 2 +-
arch/arm64/kernel/vdso32/vdso.lds.S | 2 +-
3 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/arch/arm64/include/asm/vdso.h b/arch/arm64/include/asm/vdso.h
index 4305995..3e3c3fd 100644
--- a/arch/arm64/include/asm/vdso.h
+++ b/arch/arm64/include/asm/vdso.h
@@ -5,13 +5,6 @@
#ifndef __ASM_VDSO_H
#define __ASM_VDSO_H
-/*
- * Default link address for the vDSO.
- * Since we randomise the VDSO mapping, there's little point in trying
- * to prelink this.
- */
-#define VDSO_LBASE 0x0
-
#define __VVAR_PAGES 2
#ifndef __ASSEMBLY__
@@ -20,7 +13,7 @@
#define VDSO_SYMBOL(base, name) \
({ \
- (void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \
+ (void *)(vdso_offset_##name + (unsigned long)(base)); \
})
extern char vdso_start[], vdso_end[];
diff --git a/arch/arm64/kernel/vdso/vdso.lds.S b/arch/arm64/kernel/vdso/vdso.lds.S
index f204a9d..4ec32e8 100644
--- a/arch/arm64/kernel/vdso/vdso.lds.S
+++ b/arch/arm64/kernel/vdso/vdso.lds.S
@@ -25,7 +25,7 @@ SECTIONS
#ifdef CONFIG_TIME_NS
PROVIDE(_timens_data = _vdso_data + PAGE_SIZE);
#endif
- . = VDSO_LBASE + SIZEOF_HEADERS;
+ . = SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash) }
diff --git a/arch/arm64/kernel/vdso32/vdso.lds.S b/arch/arm64/kernel/vdso32/vdso.lds.S
index 8d95d7d..732702a 100644
--- a/arch/arm64/kernel/vdso32/vdso.lds.S
+++ b/arch/arm64/kernel/vdso32/vdso.lds.S
@@ -22,7 +22,7 @@ SECTIONS
#ifdef CONFIG_TIME_NS
PROVIDE_HIDDEN(_timens_data = _vdso_data + PAGE_SIZE);
#endif
- . = VDSO_LBASE + SIZEOF_HEADERS;
+ . = SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash) }
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