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

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Message-ID: <20250918194026.GA3379805@ax162>
Date: Thu, 18 Sep 2025 12:40:26 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Christoph Hellwig <hch@....de>
Cc: 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>,
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	Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Alexander Potapenko <glider@...gle.com>,
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	Bill Wendling <morbo@...gle.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
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	Frederic Weisbecker <frederic@...nel.org>,
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	Waiman Long <longman@...hat.com>, kasan-dev@...glegroups.com,
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Subject: Re: [PATCH v3 00/35] Compiler-Based Capability- and Locking-Analysis

On Thu, Sep 18, 2025 at 10:45:55AM -0700, Nathan Chancellor wrote:
> On Thu, Sep 18, 2025 at 04:15:11PM +0200, Christoph Hellwig wrote:
> > On Thu, Sep 18, 2025 at 03:59:11PM +0200, Marco Elver wrote:
> > > A Clang version that supports `-Wthread-safety-pointer` and the new
> > > alias-analysis of capability pointers is required (from this version
> > > onwards):
> > > 
> > > 	https://github.com/llvm/llvm-project/commit/b4c98fcbe1504841203e610c351a3227f36c92a4 [3]
> > 
> > There's no chance to make say x86 pre-built binaries for that available?
> 
> I can use my existing kernel.org LLVM [1] build infrastructure to
> generate prebuilt x86 binaries. Just give me a bit to build and upload
> them. You may not be the only developer or maintainer who may want to
> play with this.

This should include Marco's change, let me know if there are any issues.

https://kernel.org/pub/tools/llvm/files/prerelease/llvm-22.0.0-e19fa930ca838715028c00c234874d1db4f93154-20250918-184558-x86_64.tar.xz

Cheers,
Nathan