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From: David Marchevsky <david.marchevsky@linux.dev>
To: Yafang Shao <laoar.shao@gmail.com>,
	Jiri Olsa <olsajiri@gmail.com>, David Vernet <void@manifault.com>
Cc: Dave Marchevsky <davemarchevsky@fb.com>,
	kernel test robot <lkp@intel.com>,
	ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
	andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yonghong.song@linux.dev, kpsingh@kernel.org, sdf@google.com,
	haoluo@google.com, tj@kernel.org, lizefan.x@bytedance.com,
	hannes@cmpxchg.org, yosryahmed@google.com, mkoutny@suse.com,
	sinquersw@gmail.com, longman@redhat.com,
	oe-kbuild-all@lists.linux.dev, cgroups@vger.kernel.org,
	bpf@vger.kernel.org, oliver.sang@intel.com
Subject: Re: [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy
Date: Tue, 31 Oct 2023 00:22:04 -0400	[thread overview]
Message-ID: <c12dc46f-db04-4a7e-be87-1a4de4ffa669@linux.dev> (raw)
In-Reply-To: <CALOAHbAFqH1xBVh55yq7Wj+RaSUKKxw9WWQa6FhO1FZw-S1RUQ@mail.gmail.com>

On 10/30/23 10:40 PM, Yafang Shao wrote:
> On Mon, Oct 30, 2023 at 9:59 PM Jiri Olsa <olsajiri@gmail.com> wrote:
>>
>> On Mon, Oct 30, 2023 at 07:35:25PM +0800, Yafang Shao wrote:
>>> On Mon, Oct 30, 2023 at 5:01 PM kernel test robot <lkp@intel.com> wrote:
>>>>
>>>> Hi Yafang,
>>>>
>>>> kernel test robot noticed the following build warnings:
>>>>
>>>> [auto build test WARNING on bpf-next/master]
>>>>
>>>> url:    https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/cgroup-Remove-unnecessary-list_empty/20231029-143457
>>>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
>>>> patch link:    https://lore.kernel.org/r/20231029061438.4215-7-laoar.shao%40gmail.com
>>>> patch subject: [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy
>>>> config: i386-randconfig-013-20231030 (https://urldefense.com/v3/__https://download.01.org/0day-ci/archive/20231030/202310301605.CGFI0aSW-lkp@intel.com/config__;!!Bt8RZUm9aw!4feH_paRfc92c6DKnIgcbDciELDAOzSoIr66fN3591gkU9ddriq2cqyFm47OezGzvLvXd5Ep4R9ZYmtxrW9dqg$ )
>>>> compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
>>>> reproduce (this is a W=1 build): (https://urldefense.com/v3/__https://download.01.org/0day-ci/archive/20231030/202310301605.CGFI0aSW-lkp@intel.com/reproduce__;!!Bt8RZUm9aw!4feH_paRfc92c6DKnIgcbDciELDAOzSoIr66fN3591gkU9ddriq2cqyFm47OezGzvLvXd5Ep4R9ZYmsRR5GsUA$ )
>>>>
>>>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>>>> the same patch/commit), kindly add following tags
>>>> | Reported-by: kernel test robot <lkp@intel.com>
>>>> | Closes: https://lore.kernel.org/oe-kbuild-all/202310301605.CGFI0aSW-lkp@intel.com/
>>>>
>>>> All warnings (new ones prefixed by >>):
>>>>
>>>>    kernel/bpf/helpers.c:1893:19: warning: no previous declaration for 'bpf_obj_new_impl' [-Wmissing-declarations]
>>>
>>> -Wmissing-declarations is a known issue and somebody is working on it, right?
>>
>> there's this post [1] from Dave, but seems it never landed
>>
>> jirka
>>
>> [1] https://lore.kernel.org/bpf/20230816150634.1162838-1-void@manifault.com/
> 
> Thanks for your information.
> 
> David, I'd appreciate it if you could share an update on its current status
> 

Hi Yafang,

I had a similar patch in a recent series that I was asked to
split out and submit separately. Did so today after seeing this thread: https://lore.kernel.org/bpf/20231030210638.2415306-1-davemarchevsky@fb.com/
Sorry, should've CC'd you as well as Jiri on that patch.

  reply	other threads:[~2023-10-31  4:29 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-29  6:14 [PATCH v3 bpf-next 00/11] bpf, cgroup: Add BPF support for cgroup1 hierarchy Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 01/11] cgroup: Remove unnecessary list_empty() Yafang Shao
2023-11-09 21:09   ` Tejun Heo
2023-10-29  6:14 ` [PATCH v3 bpf-next 02/11] cgroup: Make operations on the cgroup root_list RCU safe Yafang Shao
2023-11-09 21:19   ` Tejun Heo
2023-10-29  6:14 ` [PATCH v3 bpf-next 03/11] cgroup: Eliminate the need for cgroup_mutex in proc_cgroup_show() Yafang Shao
2023-11-09 21:20   ` Tejun Heo
2023-10-29  6:14 ` [PATCH v3 bpf-next 04/11] cgroup: Add annotation for holding namespace_sem in current_cgns_cgroup_from_root() Yafang Shao
2023-11-09 21:22   ` Tejun Heo
2023-10-29  6:14 ` [PATCH v3 bpf-next 05/11] cgroup: Add a new helper for cgroup1 hierarchy Yafang Shao
2023-11-09  9:33   ` Hou Tao
2023-11-09 21:27   ` Tejun Heo
2023-11-09 23:30   ` Tejun Heo
2023-11-10  2:37     ` Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc " Yafang Shao
2023-10-30  9:00   ` kernel test robot
2023-10-30 11:35     ` Yafang Shao
2023-10-30 13:59       ` Jiri Olsa
2023-10-31  2:40         ` Yafang Shao
2023-10-31  4:22           ` David Marchevsky [this message]
2023-11-03  8:18   ` kernel test robot
2023-11-03  8:49     ` Yafang Shao
2023-11-05  6:22     ` [PATCH bpf-next] compiler-gcc: Ignore -Wmissing-prototypes warning for older GCC Yafang Shao
2023-11-05  8:24       ` Arnd Bergmann
2023-11-05 11:54         ` Yafang Shao
2023-11-05 13:01           ` Arnd Bergmann
2023-11-05 13:50             ` Yafang Shao
2023-11-06  3:18     ` [PATCH v2 bpf-next] compiler-gcc: Suppress -Wmissing-prototypes warning for all supported GCC Yafang Shao
2023-11-09 18:23       ` Alexei Starovoitov
2023-11-10  6:34         ` Arnd Bergmann
2023-11-10  7:48           ` Yafang Shao
2023-11-10 16:00       ` patchwork-bot+netdevbpf
2023-11-09 21:29   ` [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy Tejun Heo
2023-10-29  6:14 ` [PATCH v3 bpf-next 07/11] selftests/bpf: Fix issues in setup_classid_environment() Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 08/11] selftests/bpf: Add parallel support for classid Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 09/11] selftests/bpf: Add a new cgroup helper get_classid_cgroup_id() Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 10/11] selftests/bpf: Add a new cgroup helper get_cgroup_hierarchy_id() Yafang Shao
2023-11-09 21:32   ` Tejun Heo
2023-11-10  2:40     ` Yafang Shao
2023-10-29  6:14 ` [PATCH v3 bpf-next 11/11] selftests/bpf: Add selftests for cgroup1 hierarchy Yafang Shao
2023-11-09 21:36 ` [PATCH v3 bpf-next 00/11] bpf, cgroup: Add BPF support " Tejun Heo
2023-11-09 23:06   ` Alexei Starovoitov
2023-11-09 23:28 ` Tejun Heo
2023-11-09 23:35   ` Alexei Starovoitov
2023-11-10  6:04     ` Yafang Shao
2023-11-10 17:05       ` Alexei Starovoitov

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