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Date:   Sat, 31 Dec 2016 11:59:12 +0800
From:   kbuild test robot <>
To:     David Carrillo-Cisneros <>
        "" <>, Ingo Molnar <>,
        Thomas Gleixner <>,
        Andi Kleen <>,
        Kan Liang <>,
        Peter Zijlstra <>,
        Borislav Petkov <>,
        Srinivas Pandruvada <>,
        Dave Hansen <>,
        Vikas Shivappa <>,
        Paul Turner <>,
        Stephane Eranian <>,
        David Carrillo-Cisneros <>
Subject: Re: [PATCH] perf/core: only check cpuctx with cgroup events during
 cgroup switch

Hi David,

[auto build test ERROR on tip/perf/core]
[also build test ERROR on v4.10-rc1 next-20161224]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

config: x86_64-randconfig-s1-12311108 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   kernel/events/core.c: In function 'perf_event_init_all_cpus':
   kernel/events/core.c:10587: error: 'cgrp_cpuctx_list' undeclared (first use in this function)
   kernel/events/core.c:10587: error: (Each undeclared identifier is reported only once
   kernel/events/core.c:10587: error: for each function it appears in.)
>> kernel/events/core.c:10587: error: type defaults to 'int' in declaration of 'type name'
>> kernel/events/core.c:10587: warning: cast from pointer to integer of different size
>> kernel/events/core.c:10587: error: type defaults to 'int' in declaration of 'type name'

vim +10587 kernel/events/core.c

 10581			mutex_init(&swhash->hlist_mutex);
 10582			INIT_LIST_HEAD(&per_cpu(active_ctx_list, cpu));
 10584			INIT_LIST_HEAD(&per_cpu(pmu_sb_events.list, cpu));
 10585			raw_spin_lock_init(&per_cpu(pmu_sb_events.lock, cpu));
 10587			INIT_LIST_HEAD(&per_cpu(cgrp_cpuctx_list, cpu));
 10588			INIT_LIST_HEAD(&per_cpu(sched_cb_list, cpu));
 10589		}
 10590	}

0-DAY kernel test infrastructure                Open Source Technology Center                   Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (23819 bytes)

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