linux-kernel - Re: [PATCH] cleanup: Fix unused guard error function with DEFINE_CLASS_IS_COND

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Message-ID: <CAHk-=wh63uw1YO3brwJpZqL2gtBFsM3vycZuAG1vGB60eLZaOQ@mail.gmail.com>
Date: Wed, 13 Aug 2025 08:27:48 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Dan Williams <dan.j.williams@...el.com>, dave.jiang@...el.com, 
	linux-kernel@...r.kernel.org, linux-cxl@...r.kernel.org, 
	Nathan Chancellor <nathan@...nel.org>, David Lechner <dlechner@...libre.com>, 
	Jonathan Cameron <jonathan.cameron@...wei.com>, Andy Shevchenko <andriy.shevchenko@...el.com>
Subject: Re: [PATCH] cleanup: Fix unused guard error function with DEFINE_CLASS_IS_COND_GUARD

On Wed, 13 Aug 2025 at 08:21, Peter Zijlstra <peterz@...radead.org> wrote:
>
> Right, so I've had patches that added extra #ifdef gunk because of this,
> and we've sprinked __maybe_unused in a few places just to shut this up.
>
> I think something like the below will do... totally untested and all
> that.

Yeah. I'm not convinced we want it even at W=2, but as mentioned, at
that point hopefully nobody really cares.

             Linus