linux-kernel - Re: [PATCH v3 00/35] Compiler-Based Capability- and Locking-Analysis

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Message-ID: <20250919140954.GA24160@lst.de>
Date: Fri, 19 Sep 2025 16:09:54 +0200
From: Christoph Hellwig <hch@....de>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Christoph Hellwig <hch@....de>, Marco Elver <elver@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Boqun Feng <boqun.feng@...il.com>, Ingo Molnar <mingo@...nel.org>,
	Will Deacon <will@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Alexander Potapenko <glider@...gle.com>,
	Arnd Bergmann <arnd@...db.de>, Bart Van Assche <bvanassche@....org>,
	Bill Wendling <morbo@...gle.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Frederic Weisbecker <frederic@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Ian Rogers <irogers@...gle.com>, Jann Horn <jannh@...gle.com>,
	Joel Fernandes <joelagnelf@...dia.com>,
	Jonathan Corbet <corbet@....net>,
	Josh Triplett <josh@...htriplett.org>,
	Justin Stitt <justinstitt@...gle.com>, Kees Cook <kees@...nel.org>,
	Kentaro Takeda <takedakn@...data.co.jp>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	Mark Rutland <mark.rutland@....com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	Thomas Gleixner <tglx@...utronix.de>, Thomas Graf <tgraf@...g.ch>,
	Uladzislau Rezki <urezki@...il.com>,
	Waiman Long <longman@...hat.com>, kasan-dev@...glegroups.com,
	linux-crypto@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-security-module@...r.kernel.org,
	linux-sparse@...r.kernel.org, llvm@...ts.linux.dev,
	rcu@...r.kernel.org
Subject: Re: [PATCH v3 00/35] Compiler-Based Capability- and
 Locking-Analysis

On Fri, Sep 19, 2025 at 04:08:03PM +0200, Christoph Hellwig wrote:
> I started to play around with that.  For the nvme code adding the
> annotations was very simply, and I also started adding trivial
> __guarded_by which instantly found issues.
> 
> For XFS it was a lot more work and I still see tons of compiler
> warnings, which I'm not entirely sure how to address.  Right now I
> see three major classes:

And in case anyone cares, here are my patches for that:

https://git.infradead.org/?p=users/hch/misc.git;a=shortlog;h=refs/heads/cap-analysis

git://git.infradead.org/users/hch/misc.git cap-analysis