linux-kernel - Re: [PATCH v4 3/4] x86: wire up the process

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Message-ID: <201711282047.xqIU6H5f%fengguang.wu@intel.com>
Date:   Tue, 28 Nov 2017 20:35:12 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc:     kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-api@...r.kernel.org, criu@...nvz.org,
        Arnd Bergmann <arnd@...db.de>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Josh Triplett <josh@...htriplett.org>,
        Jann Horn <jannh@...gle.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Andrei Vagin <avagin@...nvz.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>
Subject: Re: [PATCH v4 3/4] x86: wire up the process_vmsplice syscall

Hi Andrei,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.15-rc1 next-20171128]
[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/Mike-Rapoport/vm-add-a-syscall-to-map-a-process-memory-into-a-pipe/20171128-182837
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All warnings (new ones prefixed by >>):

>> <stdin>:1332:2: warning: #warning syscall process_vmsplice not implemented [-Wcpp]

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

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