From: Randy Dunlap <rdunlap@infradead.org>
To: Jinchao Wang <wangjinchao600@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
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Andrey Ryabinin <ryabinin.a.a@gmail.com>,
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"David S. Miller" <davem@davemloft.net>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
linux-trace-kernel@vger.kernel.org
Subject: Re: [PATCH v5 04/23] mm/ksw: add build system support
Date: Wed, 24 Sep 2025 10:06:10 -0700 [thread overview]
Message-ID: <3504b378-4360-4e55-b28d-74aabd4308d7@infradead.org> (raw)
In-Reply-To: <20250924115124.194940-5-wangjinchao600@gmail.com>
On 9/24/25 4:50 AM, Jinchao Wang wrote:
> Add Kconfig and Makefile infrastructure.
>
> The implementation is located under `mm/kstackwatch/`.
>
> Signed-off-by: Jinchao Wang <wangjinchao600@gmail.com>
> ---
> mm/Kconfig.debug | 8 ++++++++
> mm/Makefile | 1 +
> mm/kstackwatch/Makefile | 2 ++
> mm/kstackwatch/kernel.c | 23 +++++++++++++++++++++++
> mm/kstackwatch/kstackwatch.h | 5 +++++
> mm/kstackwatch/stack.c | 1 +
> mm/kstackwatch/watch.c | 1 +
> 7 files changed, 41 insertions(+)
> create mode 100644 mm/kstackwatch/Makefile
> create mode 100644 mm/kstackwatch/kernel.c
> create mode 100644 mm/kstackwatch/kstackwatch.h
> create mode 100644 mm/kstackwatch/stack.c
> create mode 100644 mm/kstackwatch/watch.c
>
> diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
> index 32b65073d0cc..89be351c0be5 100644
> --- a/mm/Kconfig.debug
> +++ b/mm/Kconfig.debug
> @@ -309,3 +309,11 @@ config PER_VMA_LOCK_STATS
> overhead in the page fault path.
>
> If in doubt, say N.
> +
> +config KSTACK_WATCH
> + bool "Kernel Stack Watch"
> + depends on HAVE_HW_BREAKPOINT && KPROBES && FPROBE && STACKTRACE
> + help
> + A lightweight real-time debugging tool to detect stack corrupting.
corruption.
> +
> + If unsure, say N.
--
~Randy
next prev parent reply other threads:[~2025-09-24 17:06 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-24 11:50 [PATCH v5 00/23] mm/ksw: Introduce real-time KStackWatch debugging tool Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 01/23] x86/hw_breakpoint: Unify breakpoint install/uninstall Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 02/23] x86/hw_breakpoint: Add arch_reinstall_hw_breakpoint Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 03/23] HWBP: Add modify_wide_hw_breakpoint_local() API Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 04/23] mm/ksw: add build system support Jinchao Wang
2025-09-24 17:06 ` Randy Dunlap [this message]
2025-09-25 2:05 ` Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 05/23] mm/ksw: add ksw_config struct and parser Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 06/23] mm/ksw: add singleton /proc/kstackwatch interface Jinchao Wang
2025-09-24 20:49 ` Marco Elver
2025-09-25 2:07 ` Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 08/23] mm/ksw: Add atomic watchpoint management api Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 09/23] mm/ksw: ignore false positives from exit trampolines Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 10/23] mm/ksw: support CPU hotplug Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 11/23] sched: add per-task context Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 12/23] mm/ksw: add entry kprobe and exit fprobe management Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 13/23] mm/ksw: add per-task ctx tracking Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 14/23] mm/ksw: resolve stack watch addr and len Jinchao Wang
2025-09-24 11:50 ` [PATCH v5 15/23] mm/ksw: manage probe and HWBP lifecycle via procfs Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 16/23] mm/ksw: add self-debug helpers Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 17/23] mm/ksw: add test module Jinchao Wang
2025-09-24 20:44 ` Marco Elver
2025-09-25 2:06 ` Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 18/23] mm/ksw: add stack overflow test Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 19/23] mm/ksw: add recursive depth test Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 20/23] mm/ksw: add multi-thread corruption test cases Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 21/23] tools/ksw: add test script Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 22/23] docs: add KStackWatch document Jinchao Wang
2025-09-24 11:59 ` [PATCH v5 23/23] MAINTAINERS: add entry for KStackWatch Jinchao Wang
2025-09-24 12:24 ` [PATCH v5 07/23] mm/ksw: add HWBP pre-allocation Jinchao Wang
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