linux-kernel - Re: [PATCH v2 01/18] mm/ksw: add build system support

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Message-ID: <aLlD2CDengxSl4fS@kernel.org>
Date: Thu, 4 Sep 2025 10:46:32 +0300
From: Mike Rapoport <rppt@...nel.org>
To: Jinchao Wang <wangjinchao600@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	"Naveen N . Rao" <naveen@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	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 Hildenbrand <david@...hat.com>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...e.com>, linux-perf-users@...r.kernel.org,
	linux-mm@...ck.org, linux-trace-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/18] mm/ksw: add build system support

On Thu, Sep 04, 2025 at 08:20:58AM +0800, Jinchao Wang wrote:
> Add Kconfig and Makefile infrastructure for KStackWatch, a real-time tool
> for debugging kernel stack corruption.

...

> +static int __init kstackwatch_init(void)
> +{
> +	pr_info("KSW: module loaded\n");
> +	pr_info("KSW: usage:\n");
> +	pr_info("KSW: echo 'function+ip_offset[+depth] [local_var_offset:local_var_len]' > /proc/kstackwatch\n");

It feels like this belongs to Documentation/ rather than the kernel log.

> +	return 0;
> +}
> +

-- 
Sincerely yours,
Mike.