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From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Tue, 9 Apr 2024 09:15:02 +0200
Message-ID: <CAMuHMdXQ_osFeknmg=oR6-fMH_MkVqabCtbynxQ6UvpZRwry3Q@mail.gmail.com>
Subject: Re: [PATCHSET 0/9] Sync tools headers with the kernel source
To: Namhyung Kim <namhyung@kernel.org>, Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>, Kan Liang <kan.liang@linux.intel.com>, 
	Jiri Olsa <jolsa@kernel.org>, Adrian Hunter <adrian.hunter@intel.com>, 
	Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>, 
	LKML <linux-kernel@vger.kernel.org>, linux-perf-users@vger.kernel.org
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Hi Namhyung, Arnaldo,

On Mon, Apr 8, 2024 at 8:55=E2=80=AFPM Namhyung Kim <namhyung@kernel.org> w=
rote:
> I'm gonna carry these changes on the perf tools tree.  I'll update the
> vhost.h once it lands on the mainline.
>
> This is the full explanation from Arnaldo:
>
> There used to be no copies, with tools/ code using kernel headers
> directly. From time to time tools/perf/ broke due to legitimate kernel
> hacking. At some point Linus complained about such direct usage. Then we
> adopted the current model.

Do you have a reference to that?
I was gonna reply to [PATCH 8/9] (where I was CCed) with "why can't
you use the original include file directly?", then read the cover letter.

Thanks!

Gr{oetje,eeting}s,

                        Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k=
org

In personal conversations with technical people, I call myself a hacker. Bu=
t
when I'm talking to journalists I just say "programmer" or something like t=
hat.
                                -- Linus Torvalds