linux-kernel - Re: [PATCH RFC 00/33] Compile-time thread-safety checking

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Message-ID: <20250207090827.GZ7145@noisy.programming.kicks-ass.net>
Date: Fri, 7 Feb 2025 10:08:27 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Marco Elver <elver@...gle.com>
Cc: Bart Van Assche <bvanassche@....org>, Will Deacon <will@...nel.org>,
	Christoph Hellwig <hch@....de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Nathan Chancellor <nathan@...nel.org>, Kees Cook <kees@...nel.org>,
	Jann Horn <jannh@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 00/33] Compile-time thread-safety checking

On Fri, Feb 07, 2025 at 10:05:47AM +0100, Marco Elver wrote:

> Yes, you can add multiple guarded_by. But it's just going to enforce
> that you need to hold both locks before you access the member. If you
> want the rules to be more complex, the best way to express that is with
> some helpers. E.g. something like this (tested on top my series)

Oh gawd, this is going to be a pain, isn't it :/