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SubjectRe: [PATCH v2 05/16] powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o
Date


Le 29/08/2022 à 07:52, Sathvika Vasireddy a écrit :
> With objtool enabled, below warnings are seen when trying to build:
>
> drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: aes_p8_set_encrypt_key+0x44: unannotated intra-function call
>
> drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: .text+0x2448: unannotated intra-function call
>
> drivers/crypto/vmx/aesp8-ppc.o: warning: objtool: .text+0x2d68: unannotated intra-function call
>
> Skip objtool from running on this file, for two main reasons:
>
> Since this file comes from OpenSSL, and since it is a perl file
> which generates a .S file, it may not be the best choice to
> make too many code changes to such files, unless absolutely
> necessary.
>
> Second reason is that, at least as far as the objtool --mcount
> functionality is concerned, we do not have to run objtool on
> that file because that file does not have any calls to _mcount.
>
> Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com>

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>

> ---
> drivers/crypto/vmx/Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile
> index 2560cfea1dec..7b41f0da6807 100644
> --- a/drivers/crypto/vmx/Makefile
> +++ b/drivers/crypto/vmx/Makefile
> @@ -9,3 +9,5 @@ targets += aesp8-ppc.S ghashp8-ppc.S
>
> $(obj)/aesp8-ppc.S $(obj)/ghashp8-ppc.S: $(obj)/%.S: $(src)/%.pl FORCE
> $(call if_changed,perl)
> +
> +OBJECT_FILES_NON_STANDARD_aesp8-ppc.o := y
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