linux-kernel - Re: [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21

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Message-ID: <ef7e121e-5424-36b3-6cb2-a80cece7290c@intel.com>
Date:   Thu, 17 Nov 2022 18:26:27 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        kernel test robot <lkp@...el.com>
Cc:     x86-ml <x86@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [tip:perf/core] BUILD SUCCESS WITH WARNING
 e8d7a90c08ce963c592fb49845f2ccc606a2ac21



On 11/17/2022 5:38 AM, Peter Zijlstra wrote:
> On Thu, Nov 17, 2022 at 05:18:45AM +0800, kernel test robot wrote:
>> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
>> branch HEAD: e8d7a90c08ce963c592fb49845f2ccc606a2ac21  perf: Fix possible memleak in pmu_dev_alloc()
>>
>> Warning: (recently discovered and may have been fixed)
>>
>> kernel/events/core.c:11274:4: warning: cast from 'int (*)(struct perf_cpu_pmu_context *)' to 'remote_function_f' (aka 'int (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
>>
>> Warning ids grouped by kconfigs:
>>
>> clang_recent_errors
>> |-- hexagon-randconfig-r001-20221116
>> |   `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
>> |-- hexagon-randconfig-r005-20221116
>> |   `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
>> `-- s390-randconfig-r012-20221116
>>      `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
> 
> Robot guys; why don't I have a report of this warning?
> 
> Also, this very much isn't caused by this patch, this is a pre-existing
> issue.
> 

Hi Peter,

Sorry for the misunderstanding，it's a summary report to show recent
issues, we didn't find it in your repo before merging into tip tree,
we'll take a look to improve the system.

Best Regards,
Rong Chen