Re: [PATCH] scripts/mksysmap: Ignore __pi_ local arm64 symbols

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On Wed, Jun 7, 2023 at 3:19 AM Pierre-Clément Tosi <ptosi@xxxxxxxxxx> wrote:
>
> Similarly to "__kvm_nvhe_", filter out any local symbol that was
> prefixed with "__pi_" (generated when CONFIG_RANDOMIZE_BASE=y) when
> compiling System.map and in kallsyms.
>
> Signed-off-by: Pierre-Clément Tosi <ptosi@xxxxxxxxxx>
> ---


Applied to linux-kbuild. Thanks.



>  scripts/mksysmap | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/scripts/mksysmap b/scripts/mksysmap
> index cb3b1fff3eee..a7de0f637cc7 100755
> --- a/scripts/mksysmap
> +++ b/scripts/mksysmap
> @@ -40,6 +40,10 @@ ${NM} -n ${1} | sed >${2} -e "
>  # arm64 EFI stub namespace
>  / __efistub_/d
>
> +# arm64 local symbols in PIE namespace
> +/ __pi_\\$/d
> +/ __pi_\.L/d
> +
>  # arm64 local symbols in non-VHE KVM namespace
>  / __kvm_nvhe_\$/d
>  / __kvm_nvhe_\.L/d
> --
> 2.41.0.rc0.172.g3f132b7071-goog
>
>
> --
> Pierre



-- 
Best Regards
Masahiro Yamada




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