Re: [PATCH v4 8/9] loongarch: avoid orphan input sections

[陈华才 <chenhuacai@loongson.cn>]

Hi, Ard,

It seems that this patch is a normal bugfix and has no relation with this series. If so, I prefer to take into loongarch-fixes for 6.0-rc4. Thanks.

Huacai


> -----原始邮件-----
> 发件人: "Ard Biesheuvel" <ardb@kernel.org>
> 发送时间:2022-08-27 16:38:49 (星期六)
> 收件人: linux-efi@vger.kernel.org
> 抄送: linux-arm-kernel@lists.infradead.org, "Ard Biesheuvel" <ardb@kernel.org>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, "Matthew Garrett" <mjg59@srcf.ucam.org>, "Peter Jones" <pjones@redhat.com>, "Ilias Apalodimas" <ilias.apalodimas@linaro.org>, "Heinrich Schuchardt" <heinrich.schuchardt@canonical.com>, "AKASHI Takahiro" <takahiro.akashi@linaro.org>, "Palmer Dabbelt" <palmer@dabbelt.com>, "Atish Patra" <atishp@atishpatra.org>, "Arnd Bergmann" <arnd@arndb.de>, "Huacai Chen" <chenhuacai@loongson.cn>, "Xi Ruoyao" <xry111@xry111.site>, "Lennart Poettering" <lennart@poettering.net>, "Jeremy Linton" <jeremy.linton@arm.com>
> 主题: [PATCH v4 8/9] loongarch: avoid orphan input sections
> 
> Ensure that all input sections are listed explicitly in the linker
> script, and issue a warning otherwise. This ensures that the binary
> image matches the PE/COFF and other image metadata exactly, which is
> important for things like code signing.
> 
> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
> ---
>  arch/loongarch/Kconfig              | 1 +
>  arch/loongarch/kernel/vmlinux.lds.S | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
> index fca106a8b8af..407502da4335 100644
> --- a/arch/loongarch/Kconfig
> +++ b/arch/loongarch/Kconfig
> @@ -51,6 +51,7 @@ config LOONGARCH
>  	select ARCH_USE_CMPXCHG_LOCKREF
>  	select ARCH_USE_QUEUED_RWLOCKS
>  	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
> +	select ARCH_WANT_LD_ORPHAN_WARN
>  	select ARCH_WANTS_NO_INSTR
>  	select BUILDTIME_TABLE_SORT
>  	select COMMON_CLK
> diff --git a/arch/loongarch/kernel/vmlinux.lds.S b/arch/loongarch/kernel/vmlinux.lds.S
> index 36d042739f3c..17d33308dfba 100644
> --- a/arch/loongarch/kernel/vmlinux.lds.S
> +++ b/arch/loongarch/kernel/vmlinux.lds.S
> @@ -74,6 +74,8 @@ SECTIONS
>  		EXIT_DATA
>  	}
>  
> +	.rela.dyn : { *(.rela.dyn) *(.rela*) }
> +
>  #ifdef CONFIG_SMP
>  	PERCPU_SECTION(1 << CONFIG_L1_CACHE_SHIFT)
>  #endif
> -- 
> 2.35.1


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