linux-kernel - Re: [PATCH v2 1/3] syscalls,x86 Expose arch

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Date:   Thu, 15 Sep 2016 08:01:18 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Kyle Huey <me@...ehuey.com>
Cc:     kbuild-all@...org, Robert O'Callahan <robert@...llahan.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Anna Schumaker <Anna.Schumaker@...app.com>,
        David Howells <dhowells@...hat.com>,
        "Dmitry V. Levin" <ldv@...linux.org>,
        Eric B Munson <emunson@...mai.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Michael S. Tsirkin" <mst@...hat.com>, Jiri Slaby <jslaby@...e.cz>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Borislav Petkov <bp@...en8.de>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] syscalls,x86 Expose arch_prctl on x86-32.

Hi Kyle,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc6]
[cannot apply to tip/x86/core next-20160914]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Kyle-Huey/syscalls-x86-Expose-arch_prctl-on-x86-32/20160915-052851
config: um-i386_defconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=i386

All errors (new ones prefixed by >>):

>> arch/x86/um/built-in.o:(.rodata+0x6b0): undefined reference to `sys_arch_prctl'
   collect2: error: ld returned 1 exit status

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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