linux-kernel - Re: [Patch v6.1] x86/kvm: Add AVX512_4VNNIW and AVX512

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Date:   Tue, 15 Nov 2016 14:02:23 +0800
From:   He Chen <he.chen@...ux.intel.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, Borislav Petkov <bp@...en8.de>,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org, x86@...nel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Luwei Kang <luwei.kang@...el.com>,
        Piotr Luc <Piotr.Luc@...el.com>
Subject: Re: [Patch v6.1] x86/kvm: Add AVX512_4VNNIW and AVX512_4FMAPS support

On Tue, Nov 15, 2016 at 04:24:39AM +0800, kbuild test robot wrote:
> Hi He,
> 
> [auto build test ERROR on kvm/linux-next]
> [also build test ERROR on v4.9-rc5]
> [cannot apply to next-20161114]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/He-Chen/x86-kvm-Add-AVX512_4VNNIW-and-AVX512_4FMAPS-support/20161114-170941
> base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
> config: x86_64-kexec (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>    arch/x86/kvm/cpuid.c: In function '__do_cpuid_ent':
> >> arch/x86/kvm/cpuid.c:472:18: error: implicit declaration of function 'get_scattered_cpuid_leaf' [-Werror=implicit-function-declaration]
>        entry->edx &= get_scattered_cpuid_leaf(7, 0, CPUID_EDX);
>                      ^~~~~~~~~~~~~~~~~~~~~~~~
> >> arch/x86/kvm/cpuid.c:472:49: error: 'CPUID_EDX' undeclared (first use in this function)
>        entry->edx &= get_scattered_cpuid_leaf(7, 0, CPUID_EDX);
>                                                     ^~~~~~~~~
>    arch/x86/kvm/cpuid.c:472:49: note: each undeclared identifier is reported only once for each function it appears in
>    cc1: some warnings being treated as errors
>
I have downloaded .config.gz in attachment and use the .config in it
to build kernel in my local branch again, and I don't see any warn or
error message.

I wonder whether the previous 0001 and 0002 patches have applied to run
this test? Or is there something wrong with my compiler or patches?

Thanks,
-He