linux-kernel - Re: [PATCH] init/main.c: silence some -Wunused-parameter warnings

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Message-Id: <20210519213731.fd8699098bf79bfd23c73090@linux-foundation.org>
Date:   Wed, 19 May 2021 21:37:31 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Andrew Halaney <ahalaney@...hat.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] init/main.c: silence some -Wunused-parameter warnings

On Wed, 19 May 2021 11:23:41 -0500 Andrew Halaney <ahalaney@...hat.com> wrote:

> There's a bunch of callbacks with unused arguments, go ahead and silence
> those so "make KCFLAGS=-W init/main.o" is a little quieter.
> Here's a little sample:

Do we care about -Wunused-parameter?  I suppose we do, as it might
point us at small code optimizations.

How voluminous is the warning output from -Wunused-parameter?  Small
enough to be useful or large enough to be useless?