From: Jinchao Wang <wangjinchao600@gmail.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Mike Rapoport <rppt@kernel.org>,
Alexander Potapenko <glider@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
"Liang, Kan" <kan.liang@linux.intel.com>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>,
Kees Cook <kees@kernel.org>, Alice Ryhl <aliceryhl@google.com>,
Sami Tolvanen <samitolvanen@google.com>,
Miguel Ojeda <ojeda@kernel.org>,
Masahiro Yamada <masahiroy@kernel.org>, Rong Xu <xur@google.com>,
Naveen N Rao <naveen@kernel.org>,
David Kaplan <david.kaplan@amd.com>,
Andrii Nakryiko <andrii@kernel.org>,
Jinjie Ruan <ruanjinjie@huawei.com>,
Nam Cao <namcao@linutronix.de>,
workflows@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
linux-mm@kvack.org, llvm@lists.linux.dev,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
kasan-dev@googlegroups.com,
"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: Thu, 25 Sep 2025 10:05:22 +0800 [thread overview]
Message-ID: <aNSjYrXXO2BjYA87@mdev> (raw)
In-Reply-To: <3504b378-4360-4e55-b28d-74aabd4308d7@infradead.org>
On Wed, Sep 24, 2025 at 10:06:10AM -0700, Randy Dunlap wrote:
>
>
> 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.
Thanks, will fix in next version.
>
> > +
> > + If unsure, say N.
>
>
> --
> ~Randy
>
--
Jinchao
next prev parent reply other threads:[~2025-09-25 2:05 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
2025-09-25 2:05 ` Jinchao Wang [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aNSjYrXXO2BjYA87@mdev \
--to=wangjinchao600@gmail.com \
--cc=Liam.Howlett@oracle.com \
--cc=acme@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=akpm@linux-foundation.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=aliceryhl@google.com \
--cc=andreyknvl@gmail.com \
--cc=andrii@kernel.org \
--cc=bp@alien8.de \
--cc=bsegall@google.com \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=david.kaplan@amd.com \
--cc=david@redhat.com \
--cc=dietmar.eggemann@arm.com \
--cc=dvyukov@google.com \
--cc=glider@google.com \
--cc=hpa@zytor.com \
--cc=irogers@google.com \
--cc=jolsa@kernel.org \
--cc=juri.lelli@redhat.com \
--cc=justinstitt@google.com \
--cc=kan.liang@linux.intel.com \
--cc=kasan-dev@googlegroups.com \
--cc=kees@kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=lorenzo.stoakes@oracle.com \
--cc=mark.rutland@arm.com \
--cc=masahiroy@kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mgorman@suse.de \
--cc=mhiramat@kernel.org \
--cc=mhocko@suse.com \
--cc=mingo@redhat.com \
--cc=morbo@google.com \
--cc=namcao@linutronix.de \
--cc=namhyung@kernel.org \
--cc=nathan@kernel.org \
--cc=naveen@kernel.org \
--cc=nick.desaulniers+lkml@gmail.com \
--cc=ojeda@kernel.org \
--cc=peterz@infradead.org \
--cc=rdunlap@infradead.org \
--cc=rostedt@goodmis.org \
--cc=rppt@kernel.org \
--cc=ruanjinjie@huawei.com \
--cc=ryabinin.a.a@gmail.com \
--cc=samitolvanen@google.com \
--cc=surenb@google.com \
--cc=tglx@linutronix.de \
--cc=vbabka@suse.cz \
--cc=vincent.guittot@linaro.org \
--cc=vincenzo.frascino@arm.com \
--cc=vschneid@redhat.com \
--cc=workflows@vger.kernel.org \
--cc=x86@kernel.org \
--cc=xur@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.