Re: [PATCH] [RFC] arm64: enable HAVE_LD_DEAD_CODE_DATA_ELIMINATION

From: Catalin Marinas
Date: Wed Mar 17 2021 - 10:38:48 EST


On Thu, Feb 25, 2021 at 12:20:56PM +0100, Arnd Bergmann wrote:
> diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
> index bad2b9eaab22..926cdb597a45 100644
> --- a/arch/arm64/kernel/vmlinux.lds.S
> +++ b/arch/arm64/kernel/vmlinux.lds.S
> @@ -217,7 +217,7 @@ SECTIONS
> INIT_CALLS
> CON_INITCALL
> INIT_RAM_FS
> - *(.init.altinstructions .init.bss .init.bss.*) /* from the EFI stub */
> + *(.init.altinstructions .init.data.* .init.bss .init.bss.*) /* from the EFI stub */

INIT_DATA already covers .init.data and .init.data.*, so I don't think
we need this change.

Also, mainline doesn't have .init.bss.*, do you know where this came
from? I can't find it in -next either.

--
Catalin