[PATCH] riscv: alternative: remove alternative boundary symbols in vdso
Jisheng Zhang
jszhang at kernel.org
Mon Sep 4 07:35:23 PDT 2023
On Sat, Sep 02, 2023 at 10:25:10AM +0800, Xiao Wang wrote:
> Instruction patching for vdso is based on elf header parsing to get the
> beginning and ending of .alternative section, the __alt_start and __alt_end
> symbols defined in vdso linker script are not used, so this patch removes
> them.
The same patch has been in mailist since July:
https://lore.kernel.org/linux-riscv/20230726173024.3684-2-jszhang@kernel.org/
Thanks
>
> Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
> ---
> arch/riscv/kernel/vdso/vdso.lds.S | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S
> index 82ce64900f3d..d43fd7c7dd11 100644
> --- a/arch/riscv/kernel/vdso/vdso.lds.S
> +++ b/arch/riscv/kernel/vdso/vdso.lds.S
> @@ -42,9 +42,7 @@ SECTIONS
>
> . = ALIGN(4);
> .alternative : {
> - __alt_start = .;
> *(.alternative)
> - __alt_end = .;
> }
>
> .data : {
> --
> 2.25.1
>
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