linux-kernel - Re: [PATCH v3] powerpc: make ALTIVEC select PPC

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Date:   Fri, 30 Apr 2021 00:01:22 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>
Cc:     kernel test robot <lkp@...el.com>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v3] powerpc: make ALTIVEC select PPC_FPU

On Wed, 21 Apr 2021 14:06:47 -0700, Randy Dunlap wrote:
> On a kernel config with ALTIVEC=y and PPC_FPU not set/enabled,
> there are build errors:
> 
> drivers/cpufreq/pmac32-cpufreq.c:262:2: error: implicit declaration of function 'enable_kernel_fp' [-Werror,-Wimplicit-function-declaration]
>            enable_kernel_fp();
> ../arch/powerpc/lib/sstep.c: In function 'do_vec_load':
> ../arch/powerpc/lib/sstep.c:637:3: error: implicit declaration of function 'put_vr' [-Werror=implicit-function-declaration]
>   637 |   put_vr(rn, &u.v);
>       |   ^~~~~~
> ../arch/powerpc/lib/sstep.c: In function 'do_vec_store':
> ../arch/powerpc/lib/sstep.c:660:3: error: implicit declaration of function 'get_vr'; did you mean 'get_oc'? [-Werror=implicit-function-declaration]
>   660 |   get_vr(rn, &u.v);
>       |   ^~~~~~
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: make ALTIVEC select PPC_FPU
      https://git.kernel.org/powerpc/c/389586333c0229a4fbc5c1a7f89148d141293682

cheers