Re: [PATCH v2 07/16] powerpc: Skip objtool from running on VDSO files

[Peter Zijlstra]

On Mon, Aug 29, 2022 at 11:22:14AM +0530, Sathvika Vasireddy wrote:
> Do not run objtool on VDSO files, by using
> OBJECT_FILES_NON_STANDARD
> 
> Suggested-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> Signed-off-by: Sathvika Vasireddy <sv@xxxxxxxxxxxxx>
> ---
>  arch/powerpc/kernel/vdso/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/kernel/vdso/Makefile b/arch/powerpc/kernel/vdso/Makefile
> index 096b0bf1335f..a49a0d6a1c53 100644
> --- a/arch/powerpc/kernel/vdso/Makefile
> +++ b/arch/powerpc/kernel/vdso/Makefile
> @@ -102,3 +102,5 @@ quiet_cmd_vdso64ld_and_check = VDSO64L $@
>        cmd_vdso64ld_and_check = $(VDSOCC) $(c_flags) $(CC64FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) ; $(cmd_vdso_check)
>  quiet_cmd_vdso64as = VDSO64A $@
>        cmd_vdso64as = $(VDSOCC) $(a_flags) $(CC64FLAGS) $(AS64FLAGS) -c -o $@ $<
> +
> +OBJECT_FILES_NON_STANDARD := y

Just to clarify; your linker script will place the VDSO in .rodata or a
similar !.text section, right?