linux-kernel - Re: [PATCH 14/19] powerpc/altivec: Add missing prototypes for altivec

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Message-ID: <97df68d1-d4fe-bf8e-7852-9b418eec042f@c-s.fr>
Date:   Fri, 23 Mar 2018 13:19:59 +0100
From:   christophe leroy <christophe.leroy@....fr>
To:     Mathieu Malaterre <malat@...ian.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, kvm-ppc@...r.kernel.org,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 14/19] powerpc/altivec: Add missing prototypes for altivec



Le 22/03/2018 à 21:20, Mathieu Malaterre a écrit :
> Some functions prototypes were missing for the non-altivec code. Add the
> missing prototypes directly in xor_vmx, fix warnings treated as errors with
> W=1:
> 
>    arch/powerpc/lib/xor_vmx_glue.c:18:6: error: no previous prototype for ‘xor_altivec_2’ [-Werror=missing-prototypes]
>    arch/powerpc/lib/xor_vmx_glue.c:29:6: error: no previous prototype for ‘xor_altivec_3’ [-Werror=missing-prototypes]
>    arch/powerpc/lib/xor_vmx_glue.c:40:6: error: no previous prototype for ‘xor_altivec_4’ [-Werror=missing-prototypes]
>    arch/powerpc/lib/xor_vmx_glue.c:52:6: error: no previous prototype for ‘xor_altivec_5’ [-Werror=missing-prototypes]
> 
> Signed-off-by: Mathieu Malaterre <malat@...ian.org>
> ---
>   arch/powerpc/lib/xor_vmx.h | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/arch/powerpc/lib/xor_vmx.h b/arch/powerpc/lib/xor_vmx.h
> index 5c2b0839b179..2173e3c84151 100644
> --- a/arch/powerpc/lib/xor_vmx.h
> +++ b/arch/powerpc/lib/xor_vmx.h
> @@ -19,3 +19,17 @@ void __xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
>   void __xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
>   			     unsigned long *v2_in, unsigned long *v3_in,
>   			     unsigned long *v4_in, unsigned long *v5_in);
> +
> +void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
> +			     unsigned long *v2_in);
> +

Only used in one place, should be static instead of adding it in a .h

Same for the other ones.

Christophe


> +void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
> +			     unsigned long *v2_in, unsigned long *v3_in);
> +
> +void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
> +			     unsigned long *v2_in, unsigned long *v3_in,
> +			     unsigned long *v4_in);
> +
> +void xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
> +			     unsigned long *v2_in, unsigned long *v3_in,
> +			     unsigned long *v4_in, unsigned long *v5_in);
> 

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