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

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Date:   Thu, 17 Nov 2022 09:26:49 +0530
From:   Ravi Bangoria <ravi.bangoria@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     x86-ml <x86@...nel.org>, linux-kernel@...r.kernel.org,
        kernel test robot <lkp@...el.com>,
        Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [tip:perf/core] BUILD SUCCESS WITH WARNING
 e8d7a90c08ce963c592fb49845f2ccc606a2ac21

Hi Peter,

>> 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?

https://lore.kernel.org/all/202211041643.J58xvn1k-lkp@intel.com

I'll prepare and post a fix.

Thanks,
Ravi