linux-kernel - Re: [PATCH] perf/x86/amd/power: Add AMD accumulated power reporting

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Message-ID: <201601281731.NBbfDSwJ%fengguang.wu@intel.com>
Date:	Thu, 28 Jan 2016 17:39:19 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	kbuild-all@...org, Huang Rui <ray.huang@....com>,
	Borislav Petkov <bp@...e.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Robert Richter <rric@...nel.org>,
	Jacob Shin <jacob.w.shin@...il.com>,
	John Stultz <john.stultz@...aro.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, spg_linux_kernel@....com,
	x86@...nel.org, Guenter Roeck <linux@...ck-us.net>,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	Aravind Gopalakrishnan <Aravind.Gopalakrishnan@....com>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Aaron Lu <aaron.lu@...el.com>
Subject: Re: [PATCH] perf/x86/amd/power: Add AMD accumulated power reporting

Hi Borislav,

[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.5-rc1 next-20160128]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Borislav-Petkov/perf-x86-amd-power-Add-AMD-accumulated-power-reporting/20160128-170527
config: i386-randconfig-a0-01271607 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/kobject.h:21:0,
                    from include/linux/module.h:17,
                    from arch/x86/kernel/cpu/perf_event_amd_power.c:13:
   arch/x86/kernel/cpu/perf_event.h:660:31: error: 'events_sysfs_show' undeclared here (not in a function)
     .attr  = __ATTR(_name, 0444, events_sysfs_show, NULL), \
                                  ^
   include/linux/sysfs.h:93:10: note: in definition of macro '__ATTR'
     .show = _show,      \
             ^
   arch/x86/kernel/cpu/perf_event_amd_power.c:236:1: note: in expansion of macro 'EVENT_ATTR_STR'
    EVENT_ATTR_STR(power-pkg, power_pkg, "event=0x01");
    ^
   In file included from arch/x86/include/asm/alternative.h:158:0,
                    from arch/x86/include/asm/bitops.h:16,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/module.h:9,
                    from arch/x86/kernel/cpu/perf_event_amd_power.c:13:
   arch/x86/kernel/cpu/perf_event_amd_power.c: In function 'amd_power_pmu_init':
>> arch/x86/kernel/cpu/perf_event_amd_power.c:432:20: error: 'X86_FEATURE_ACC_POWER' undeclared (first use in this function)
     if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
                       ^
   arch/x86/include/asm/cpufeature.h:319:24: note: in definition of macro 'cpu_has'
     (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \
                           ^
   arch/x86/kernel/cpu/perf_event_amd_power.c:432:7: note: in expansion of macro 'boot_cpu_has'
     if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
          ^
   arch/x86/kernel/cpu/perf_event_amd_power.c:432:20: note: each undeclared identifier is reported only once for each function it appears in
     if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
                       ^
   arch/x86/include/asm/cpufeature.h:319:24: note: in definition of macro 'cpu_has'
     (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \
                           ^
   arch/x86/kernel/cpu/perf_event_amd_power.c:432:7: note: in expansion of macro 'boot_cpu_has'
     if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
          ^
>> arch/x86/kernel/cpu/perf_event_amd_power.c:435:17: error: implicit declaration of function 'amd_get_cores_per_cu' [-Werror=implicit-function-declaration]
     cores_per_cu = amd_get_cores_per_cu();
                    ^
   cc1: some warnings being treated as errors

vim +/X86_FEATURE_ACC_POWER +432 arch/x86/kernel/cpu/perf_event_amd_power.c

   426		int i, ret;
   427		u64 tmp;
   428	
   429		if (!x86_match_cpu(cpu_match))
   430			return 0;
   431	
 > 432		if (!boot_cpu_has(X86_FEATURE_ACC_POWER))
   433			return -ENODEV;
   434	
 > 435		cores_per_cu = amd_get_cores_per_cu();
   436		cu_num = boot_cpu_data.x86_max_cores / cores_per_cu;
   437	
   438		if (WARN_ON_ONCE(cu_num > MAX_CUS))

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