Re: [PATCH v4 mips-next 2/7] MIPS: vmlinux.lds.S: add ".gnu.attributes" to DISCARDS

From: Nathan Chancellor
Date: Fri Jan 08 2021 - 16:12:52 EST


On Thu, Jan 07, 2021 at 12:34:53PM +0000, Alexander Lobakin wrote:
> Discard GNU attributes (MIPS FP type, GNU Hash etc.) at link time
> as kernel doesn't use it at all.
> Solves a dozen of the following ld warnings (one per every file):
>
> mips-alpine-linux-musl-ld: warning: orphan section `.gnu.attributes'
> from `arch/mips/kernel/head.o' being placed in section
> `.gnu.attributes'
> mips-alpine-linux-musl-ld: warning: orphan section `.gnu.attributes'
> from `init/main.o' being placed in section `.gnu.attributes'
>
> Signed-off-by: Alexander Lobakin <alobakin@xxxxx>

Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>

> ---
> arch/mips/kernel/vmlinux.lds.S | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
> index 83e27a181206..16468957cba2 100644
> --- a/arch/mips/kernel/vmlinux.lds.S
> +++ b/arch/mips/kernel/vmlinux.lds.S
> @@ -221,6 +221,7 @@ SECTIONS
> /* ABI crap starts here */
> *(.MIPS.abiflags)
> *(.MIPS.options)
> + *(.gnu.attributes)
> *(.options)
> *(.pdr)
> *(.reginfo)
> --
> 2.30.0
>
>