linux-kernel - Re: [PATCH v4 07/10] x86/sched: Add SD_ASYM

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Message-ID: <201609220348.JKCo9Kr1%fengguang.wu@intel.com>
Date:   Thu, 22 Sep 2016 03:58:52 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     kbuild-all@...org, rjw@...ysocki.net, tglx@...utronix.de,
        mingo@...hat.com, bp@...e.de, x86@...nel.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, peterz@...radead.org,
        tim.c.chen@...ux.intel.com, jolsa@...hat.com,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: Re: [PATCH v4 07/10] x86/sched: Add SD_ASYM_PACKING flags to x86
 ITMT CPU

Hi Tim,

[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.8-rc7 next-20160921]
[cannot apply to tip/x86/core tip/sched/core]
[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/Srinivas-Pandruvada/Support-Intel-Turbo-Boost-Max-Technology-3-0/20160922-032652
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-randconfig-x010-201638 (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=i386 

All errors (new ones prefixed by >>):

   arch/x86/kernel/smpboot.c: In function 'x86_smt_flags':
>> arch/x86/kernel/smpboot.c:506:9: error: implicit declaration of function 'cpu_smt_flags' [-Werror=implicit-function-declaration]
     return cpu_smt_flags() | x86_sched_itmt_flags();
            ^~~~~~~~~~~~~
   At top level:
   arch/x86/kernel/smpboot.c:504:12: warning: 'x86_smt_flags' defined but not used [-Wunused-function]
    static int x86_smt_flags(void)
               ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/cpu_smt_flags +506 arch/x86/kernel/smpboot.c

   500	{
   501		return cpu_core_flags() | x86_sched_itmt_flags();
   502	}
   503	
   504	static int x86_smt_flags(void)
   505	{
 > 506		return cpu_smt_flags() | x86_sched_itmt_flags();
   507	}
   508	
   509	static struct sched_domain_topology_level x86_numa_in_package_topology[] = {

---
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