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* [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21
@ 2022-11-16 21:18 kernel test robot
  2022-11-16 21:38 ` Peter Zijlstra
  0 siblings, 1 reply; 5+ messages in thread
From: kernel test robot @ 2022-11-16 21:18 UTC (permalink / raw)
  To: x86-ml; +Cc: linux-kernel

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

elapsed time: 722m

configs tested: 53
configs skipped: 2

gcc tested configs:
arc                                 defconfig
alpha                               defconfig
s390                                defconfig
s390                             allmodconfig
arm                                 defconfig
m68k                             allyesconfig
m68k                             allmodconfig
x86_64                    rhel-8.3-kselftests
arc                              allyesconfig
x86_64                          rhel-8.3-func
ia64                             allmodconfig
alpha                            allyesconfig
i386                                defconfig
arm64                            allyesconfig
powerpc                           allnoconfig
i386                          randconfig-a012
arm                              allyesconfig
x86_64                              defconfig
x86_64                           rhel-8.3-syz
powerpc                          allmodconfig
i386                          randconfig-a014
x86_64                         rhel-8.3-kunit
mips                             allyesconfig
x86_64                        randconfig-a013
x86_64                        randconfig-a002
x86_64                        randconfig-a011
x86_64                           rhel-8.3-kvm
i386                             allyesconfig
i386                          randconfig-a016
sh                               allmodconfig
x86_64                               rhel-8.3
x86_64                        randconfig-a015
x86_64                        randconfig-a004
x86_64                           allyesconfig
x86_64                        randconfig-a006
i386                          randconfig-a001
i386                          randconfig-a003
i386                          randconfig-a005
um                             i386_defconfig
um                           x86_64_defconfig
s390                             allyesconfig

clang tested configs:
i386                          randconfig-a013
i386                          randconfig-a011
x86_64                        randconfig-a001
i386                          randconfig-a015
x86_64                        randconfig-a012
x86_64                        randconfig-a003
x86_64                        randconfig-a016
x86_64                        randconfig-a005
x86_64                        randconfig-a014
i386                          randconfig-a002
i386                          randconfig-a004
i386                          randconfig-a006

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21
  2022-11-16 21:18 [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21 kernel test robot
@ 2022-11-16 21:38 ` Peter Zijlstra
  2022-11-17  3:56   ` Ravi Bangoria
  2022-11-17 10:26   ` Chen, Rong A
  0 siblings, 2 replies; 5+ messages in thread
From: Peter Zijlstra @ 2022-11-16 21:38 UTC (permalink / raw)
  To: kernel test robot; +Cc: x86-ml, linux-kernel

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.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21
  2022-11-16 21:38 ` Peter Zijlstra
@ 2022-11-17  3:56   ` Ravi Bangoria
  2022-11-17  8:18     ` Peter Zijlstra
  2022-11-17 10:26   ` Chen, Rong A
  1 sibling, 1 reply; 5+ messages in thread
From: Ravi Bangoria @ 2022-11-17  3:56 UTC (permalink / raw)
  To: Peter Zijlstra; +Cc: x86-ml, linux-kernel, kernel test robot, Ravi Bangoria

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

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21
  2022-11-17  3:56   ` Ravi Bangoria
@ 2022-11-17  8:18     ` Peter Zijlstra
  0 siblings, 0 replies; 5+ messages in thread
From: Peter Zijlstra @ 2022-11-17  8:18 UTC (permalink / raw)
  To: Ravi Bangoria; +Cc: x86-ml, linux-kernel, kernel test robot

On Thu, Nov 17, 2022 at 09:26:49AM +0530, Ravi Bangoria wrote:
> 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

Hurgh, clearly I can't even search :/

> I'll prepare and post a fix.

Already did that last night:

  https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=perf/core&id=3aed27110419792e8e26ba3aed1dd9462975cc6e

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21
  2022-11-16 21:38 ` Peter Zijlstra
  2022-11-17  3:56   ` Ravi Bangoria
@ 2022-11-17 10:26   ` Chen, Rong A
  1 sibling, 0 replies; 5+ messages in thread
From: Chen, Rong A @ 2022-11-17 10:26 UTC (permalink / raw)
  To: Peter Zijlstra, kernel test robot; +Cc: x86-ml, linux-kernel



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

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-11-17 10:26 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-16 21:18 [tip:perf/core] BUILD SUCCESS WITH WARNING e8d7a90c08ce963c592fb49845f2ccc606a2ac21 kernel test robot
2022-11-16 21:38 ` Peter Zijlstra
2022-11-17  3:56   ` Ravi Bangoria
2022-11-17  8:18     ` Peter Zijlstra
2022-11-17 10:26   ` Chen, Rong A

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