| Message ID | 20241010-vdso-generic-base-v1-4-b64f0842d512@linutronix.de (mailing list archive) |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | vdso: Preparations for generic data storage | expand |
On Thu, Oct 10, 2024 at 09:01:06AM +0200, Thomas Weißschuh wrote: > 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@linutronix.de> > --- > 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(-) Acked-by: Will Deacon <will@kernel.org> Will
diff --git a/arch/arm64/include/asm/vdso.h b/arch/arm64/include/asm/vdso.h index 4305995c8f82f416e6ce11280ac1dd19fbe25eec..3e3c3fdb184274abd20647335b19e81e709506db 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 f204a9ddc83359fcbe87f24171389bb64e7adceb..4ec32e86a8da22d5e2315e55ae2e86ec8e7f5f9a 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 8d95d7d35057d27835dcd0643bb6a40adfcd8d5b..732702a187e9e8b62972ee0aad75c23568e5e779 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) }
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@linutronix.de> --- 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(-)