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Peter Anvin" , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Kees Cook , Alice Ryhl , Sami Tolvanen , Miguel Ojeda , Masahiro Yamada , Rong Xu , Naveen N Rao , David Kaplan , Andrii Nakryiko , Jinjie Ruan , Nam Cao , 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 , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , kasan-dev@googlegroups.com, "David S. Miller" , Mathieu Desnoyers , linux-trace-kernel@vger.kernel.org References: <20250924115124.194940-1-wangjinchao600@gmail.com> <20250924115124.194940-5-wangjinchao600@gmail.com> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20250924115124.194940-5-wangjinchao600@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 35AD11C0006 X-Stat-Signature: zr3uq6piu7ucbqczk8bmdawzka41za38 X-HE-Tag: 1758733594-595391 X-HE-Meta: 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 iIspgatd Wboq9xs2NTiRFbz/a1bt3qy7ktEJ4OAomHvdiZ13rx9YuDxm3tJdOWEm1SHY6c87jm+ufruh4lr4Tsej7rj5L3tDU8wFRN7O1ndTATIImxslk13pCcRPJr1luOXaw7FCEH0gLgK2C7Nkn3TjoZGzd0BUzCNKWCK5yRYsKP6RFjdNtF7vkIAw2nYJUkPIXZa8cQVxOgbbfSGLVtsdcox5wiwmXYhv0K3/SWmQJo8ED3O3ZoLNeJFGGUsPAIiGNHoIEBGwIUiK3w446hlip+74axeEEcJJ15ZQHSWfpAu+SVEYNLyXvlCPJ/V6uQZEMXqSAaGm3 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 > --- > 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