linux-kernel - Re: [PATCH v1 3/3] checkpatch: warn on usage of VM_BUG

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Message-ID: <4f7ae306-7894-8baa-f920-441ce8c472a0@redhat.com>
Date:   Fri, 23 Sep 2022 12:58:27 +0200
From:   David Hildenbrand <david@...hat.com>
To:     John Hubbard <jhubbard@...dia.com>, Joe Perches <joe@...ches.com>,
        linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, linux-doc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        David Laight <David.Laight@...LAB.COM>,
        Jonathan Corbet <corbet@....net>,
        Andy Whitcroft <apw@...onical.com>,
        Dwaipayan Ray <dwaipayanray1@...il.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Baoquan He <bhe@...hat.com>, Vivek Goyal <vgoyal@...hat.com>,
        Dave Young <dyoung@...hat.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH v1 3/3] checkpatch: warn on usage of VM_BUG_ON() and other
 BUG variants

>> And I think that "Do not crash" is a stronger statement than "Avoid crashing"
>> so I prefer the original suggestion but it's not a big deal either way.
> 
> Yes, stronger wording is better. So how about this:
> 
> "Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants\n" . $herecurr);

Okay, let's use that.

Thanks!

-- 
Thanks,

David / dhildenb