linux-kernel - Re: [PATCH 5/8] events: Move perf_event sysctls into kernel/events

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Message-ID: <20250218103507.GC40464@noisy.programming.kicks-ass.net>
Date: Tue, 18 Feb 2025 11:35:07 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Joel Granados <joel.granados@...nel.org>
Cc: Kees Cook <kees@...nel.org>, Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	"David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org, sparclinux@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 5/8] events: Move perf_event sysctls into kernel/events

On Tue, Feb 18, 2025 at 10:56:21AM +0100, Joel Granados wrote:
> Move ctl tables to two files:
> * perf_event_{paranoid,mlock_kb,max_sample_rate} and
>   perf_cpu_time_max_percent into kernel/events/core.c
> * perf_event_max_{stack,context_per_stack} into
>   kernel/events/callchain.c
> 
> Make static variables and functions that are fully contained in core.c
> and callchain.cand remove them from include/linux/perf_event.h.
> Additionally six_hundred_forty_kb is moved to callchain.c.
> 
> Two new sysctl tables are added ({callchain,events_core}_sysctl_table)
> with their respective sysctl registration functions.
> 
> This is part of a greater effort to move ctl tables into their
> respective subsystems which will reduce the merge conflicts in
> kerenel/sysctl.c.
> 
> Signed-off-by: Joel Granados <joel.granados@...nel.org>

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>