linux-kernel - Re: [PATCH v11 6/7] x86/arch_prctl: Add ARCH_[GET|SET]

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Date:   Thu, 10 Nov 2016 17:31:40 -0800
From:   Kyle Huey <me@...ehuey.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, "Robert O'Callahan" <robert@...llahan.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Shuah Khan <shuah@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Borislav Petkov <bp@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Len Brown <len.brown@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        David Matlack <dmatlack@...gle.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:USER-MODE LINUX (UML)" 
        <user-mode-linux-devel@...ts.sourceforge.net>,
        "open list:USER-MODE LINUX (UML)" 
        <user-mode-linux-user@...ts.sourceforge.net>,
        "open list:FILESYSTEMS (VFS and infrastructure)" 
        <linux-fsdevel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, kvm list <kvm@...r.kernel.org>
Subject: Re: [PATCH v11 6/7] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID

On Thu, Nov 10, 2016 at 5:25 PM, kbuild test robot <lkp@...el.com> wrote:
> Hi Kyle,
>
> [auto build test ERROR on ]
>
> url:    https://github.com/0day-ci/linux/commits/Kyle-Huey/x86-arch_prctl-64-Use-SYSCALL_DEFINE2-to-define-sys_arch_prctl/20161111-074631
> base:
> config: x86_64-randconfig-i0-201645 (attached as .config)
> compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
>    arch/x86/built-in.o: In function `set_cpuid_faulting':
>>> process.c:(.text+0xe78e): undefined reference to `msr_misc_features_enables_shadow'
>    process.c:(.text+0xe7a3): undefined reference to `msr_misc_features_enables_shadow'
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Looks like the msr_misc_features_enables_shadow definition needs move
back into process.c (from intel.c).  I'll fix that locally.

- Kyle