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From: Matthew Wilcox <willy@infradead.org>
To: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
	Andrii Nakryiko <andrii@kernel.org>, Hao Luo <haoluo@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	bpf@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-perf-users@vger.kernel.org, Martin KaFai Lau <kafai@fb.com>,
	Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@chromium.org>,
	Stanislav Fomichev <sdf@google.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Namhyung Kim <namhyung@gmail.com>,
	Dave Chinner <david@fromorbit.com>
Subject: Re: [PATCHv3 bpf-next 0/9] mm/bpf/perf: Store build id in file object
Date: Thu, 16 Mar 2023 17:34:41 +0000	[thread overview]
Message-ID: <ZBNTMZjEoETU9d8N@casper.infradead.org> (raw)
In-Reply-To: <20230316170149.4106586-1-jolsa@kernel.org>

On Thu, Mar 16, 2023 at 06:01:40PM +0100, Jiri Olsa wrote:
> hi,
> this patchset adds build id object pointer to struct file object.
> 
> We have several use cases for build id to be used in BPF programs
> [2][3].

Yes, you have use cases, but you never answered the question I asked:

Is this going to be enabled by every distro kernel, or is it for special
use-cases where only people doing a very specialised thing who are
willing to build their own kernels will use it?

Saying "hubble/tetragon" doesn't answer that question.  Maybe it does
to you, but I have no idea what that software is.

Put it another way: how does this make *MY* life better?  Literally me.
How will it affect my life?

  parent reply	other threads:[~2023-03-16 17:34 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-16 17:01 [PATCHv3 bpf-next 0/9] mm/bpf/perf: Store build id in file object Jiri Olsa
2023-03-16 17:01 ` [PATCHv3 bpf-next 1/9] mm: " Jiri Olsa
2023-03-16 22:07   ` Andrii Nakryiko
2023-03-16 17:01 ` [PATCHv3 bpf-next 2/9] perf: Use file object build id in perf_event_mmap_event Jiri Olsa
2023-03-16 17:01 ` [PATCHv3 bpf-next 3/9] bpf: Use file object build id in stackmap Jiri Olsa
2023-03-16 22:07   ` Andrii Nakryiko
2023-03-16 17:01 ` [PATCHv3 bpf-next 4/9] bpf: Switch BUILD_ID_SIZE_MAX to enum Jiri Olsa
2023-03-16 22:07   ` Andrii Nakryiko
2023-03-16 17:01 ` [PATCHv3 bpf-next 5/9] selftests/bpf: Add read_buildid function Jiri Olsa
2023-03-16 22:23   ` Andrii Nakryiko
2023-03-30 22:05     ` Jiri Olsa
2023-03-16 17:01 ` [PATCHv3 bpf-next 6/9] selftests/bpf: Add err.h header Jiri Olsa
2023-03-16 22:24   ` Andrii Nakryiko
2023-03-16 17:01 ` [PATCHv3 bpf-next 7/9] selftests/bpf: Replace extract_build_id with read_build_id Jiri Olsa
2023-03-16 17:01 ` [PATCHv3 bpf-next 8/9] selftests/bpf: Add iter_task_vma_buildid test Jiri Olsa
2023-03-16 22:31   ` Andrii Nakryiko
2023-03-16 17:01 ` [PATCHv3 bpf-next 9/9] selftests/bpf: Add file_build_id test Jiri Olsa
2023-03-16 19:59   ` Daniel Borkmann
2023-03-16 22:36   ` Andrii Nakryiko
2023-03-16 17:34 ` Matthew Wilcox [this message]
2023-03-16 17:50   ` [PATCHv3 bpf-next 0/9] mm/bpf/perf: Store build id in file object Ian Rogers
2023-03-16 21:51     ` Andrii Nakryiko
2023-03-17  3:51       ` Matthew Wilcox
2023-03-17 16:33         ` Andrii Nakryiko
2023-03-17 21:14           ` Al Viro
2023-03-17 21:21             ` Al Viro
2023-03-18  6:08               ` Andrii Nakryiko
2023-03-18  8:34                 ` Jiri Olsa
2023-03-18  8:33   ` Jiri Olsa
2023-03-18 15:16     ` Matthew Wilcox
2023-03-18 17:40       ` Jiri Olsa
2023-03-22 15:45       ` Arnaldo Carvalho de Melo
2023-03-31 18:19         ` Andrii Nakryiko
2023-03-31 18:36           ` Matthew Wilcox
2023-03-31 20:27             ` Andrii Nakryiko

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