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From: "Arnd Bergmann" <arnd@arndb.de>
To: "Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
	"Yafang Shao" <laoar.shao@gmail.com>
Cc: "kernel test robot" <lkp@intel.com>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Alexei Starovoitov" <ast@kernel.org>, bpf <bpf@vger.kernel.org>,
	"open list:CONTROL GROUP (CGROUP)" <cgroups@vger.kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Johannes Weiner" <hannes@cmpxchg.org>,
	"Hao Luo" <haoluo@google.com>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"Jiri Olsa" <jolsa@kernel.org>, "KP Singh" <kpsingh@kernel.org>,
	"Zefan Li" <lizefan.x@bytedance.com>,
	"Waiman Long" <longman@redhat.com>,
	"Martin KaFai Lau" <martin.lau@linux.dev>,
	"Michal Koutný" <mkoutny@suse.com>,
	oe-kbuild-all@lists.linux.dev,
	"kernel test robot" <oliver.sang@intel.com>,
	"Stanislav Fomichev" <sdf@google.com>,
	"Kui-Feng Lee" <sinquersw@gmail.com>,
	"Song Liu" <song@kernel.org>, "Tejun Heo" <tj@kernel.org>,
	"Yonghong Song" <yonghong.song@linux.dev>,
	"Yosry Ahmed" <yosryahmed@google.com>,
	"Kumar Kartikeya Dwivedi" <memxor@gmail.com>
Subject: Re: [PATCH v2 bpf-next] compiler-gcc: Suppress -Wmissing-prototypes warning for all supported GCC
Date: Fri, 10 Nov 2023 07:34:43 +0100	[thread overview]
Message-ID: <98fe8917-9054-4a46-a777-613d8c640d36@app.fastmail.com> (raw)
In-Reply-To: <CAADnVQLDOEPmDyipHOH0E6QSg4aJtcHcfghoAQmQtROAMd=imQ@mail.gmail.com>

On Thu, Nov 9, 2023, at 19:23, Alexei Starovoitov wrote:
> On Sun, Nov 5, 2023 at 7:18 PM Yafang Shao <laoar.shao@gmail.com> wrote:
>> In the future, if you wish to suppress warnings that are only supported on
>> higher GCC versions, it is advisable to explicitly use "__diag_ignore" to
>> specify the GCC version you are targeting.
>>
>> Reported-by: kernel test robot <lkp@intel.com>
>> Closes: https://lore.kernel.org/oe-kbuild-all/202311031651.A7crZEur-lkp@intel.com/
>> Suggested-by: Arnd Bergmann <arnd@arndb.de>
>> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
>> Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> ---
>>  include/linux/compiler-gcc.h | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
>> index 7af9e34..80918bd 100644
>> --- a/include/linux/compiler-gcc.h
>> +++ b/include/linux/compiler-gcc.h
>> @@ -138,7 +138,7 @@
>>  #endif
>>
>>  #define __diag_ignore_all(option, comment) \
>> -       __diag_GCC(8, ignore, option)
>> +       __diag(__diag_GCC_ignore option)
>
> Arnd,
> does this look good to you?

Yes, this is good. We could do the same thing for 
clang already, but it doesn't make a huge difference.

Acked-by: Arnd Bergmann <arnd@arndb.de>

  reply	other threads:[~2023-11-10  6:35 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
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 [this message]
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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