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Date:   Thu, 5 Apr 2018 17:59:56 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Maran Wilson <maran.wilson@...cle.com>
Cc:     kbuild-all@...org, x86@...nel.org, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        pbonzini@...hat.com, jgross@...e.com, boris.ostrovsky@...cle.com,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        roger.pau@...rix.com, rkrcmar@...hat.com, maran.wilson@...cle.com
Subject: Re: [PATCH v6 4/7] xen/pvh: Move Xen specific PVH VM initialization
 out of common file

Hi Maran,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on next-20180404]
[cannot apply to tip/x86/core xen-tip/linux-next v4.16]
[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/Maran-Wilson/KVM-x86-Allow-Qemu-KVM-to-use-PVH-entry-point/20180405-165048
config: i386-randconfig-x019-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   arch/x86/xen/enlighten_pvh.c: In function 'xen_pvh_init':
>> arch/x86/xen/enlighten_pvh.c:23:18: error: implicit declaration of function 'xen_cpuid_base'; did you mean 'get_pid_task'? [-Werror=implicit-function-declaration]
     msr = cpuid_ebx(xen_cpuid_base() + 2);
                     ^~~~~~~~~~~~~~
                     get_pid_task
   cc1: some warnings being treated as errors

vim +23 arch/x86/xen/enlighten_pvh.c

    15	
    16	void __init xen_pvh_init(void)
    17	{
    18		u32 msr;
    19		u64 pfn;
    20	
    21		xen_pvh = 1;
    22	
  > 23		msr = cpuid_ebx(xen_cpuid_base() + 2);

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

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