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

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Message-ID: <20250922171227.GB12668@lst.de>
Date: Mon, 22 Sep 2025 19:12:27 +0200
From: Christoph Hellwig <hch@....de>
To: Bart Van Assche <bvanassche@....org>
Cc: Christoph Hellwig <hch@....de>, Nathan Chancellor <nathan@...nel.org>,
	Marco Elver <elver@...gle.com>,
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Subject: Re: [PATCH v3 00/35] Compiler-Based Capability- and
 Locking-Analysis

On Fri, Sep 19, 2025 at 10:20:37AM -0700, Bart Van Assche wrote:
> locking annotations to kernel code. I ended up annotating multiple XFS
> functions with NO_THREAD_SAFETY_ANALYSIS. Maybe the locking patterns in
> XFS are too complex for compile-time analysis?

If our locking patterns are too complex for analysis, either the code or
the analysis has problems that need addressing.  Potentially both.