linux-kernel - Re: [PATCH] Makefile: Convert -Wimplicit-fallthrough to -Wimplicit-fallthrough=2

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Date:   Fri, 30 Aug 2019 04:09:15 -0700
From:   Joe Perches <joe@...ches.com>
To:     Michal Suchanek <msuchanek@...e.de>, linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Makefile: Convert -Wimplicit-fallthrough to
 -Wimplicit-fallthrough=2

On Thu, 2019-08-29 at 14:02 +0200, Michal Suchanek wrote:
> In particular the default value of 3 does not match the comments like
> /* falls through to do foobar */

How many comments are there like this in the kernel?

Also you have to deal with gcc/clang differences.
As far as I know, clang doesn't take a value for this.