linux-kernel - Re: (subset) [PATCH v1 0/3] coding-style.rst: document BUG() and WARN() rules

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Message-Id: <166488986181.779920.10714540040506715558.b4-ty@ellerman.id.au>
Date:   Wed, 05 Oct 2022 00:24:21 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>, Baoquan He <bhe@...hat.com>,
        Andy Whitcroft <apw@...onical.com>,
        Dwaipayan Ray <dwaipayanray1@...il.com>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Ingo Molnar <mingo@...nel.org>, linuxppc-dev@...ts.ozlabs.org,
        linux-doc@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Vivek Goyal <vgoyal@...hat.com>,
        Dave Young <dyoung@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Joe Perches <joe@...ches.com>,
        Nicholas Piggin <npiggin@...il.com>,
        David Laight <David.Laight@...LAB.COM>, linux-mm@...ck.org,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: (subset) [PATCH v1 0/3] coding-style.rst: document BUG() and WARN() rules

On Tue, 20 Sep 2022 14:22:59 +0200, David Hildenbrand wrote:
> As it seems to be rather unclear if/when to use BUG(), BUG_ON(),
> VM_BUG_ON(), WARN_ON_ONCE(), ... let's try to document the result of a
> recent discussion.
> 
> Details can be found in patch #1.
> 
> RFC -> v1:
> * "coding-style.rst: document BUG() and WARN() rules ("do not crash the
>    kernel")"
>  -> Rephrase/extend according to John
>  -> Add some details regarding the use of panic()
> * powerpc/prom_init: drop PROM_BUG()
>  -> Added
> * "checkpatch: warn on usage of VM_BUG_ON() and other BUG variants"
>  -> Warn on more variants
> 
> [...]

Patch 2 applied to powerpc/next.

[2/3] powerpc/prom_init: drop PROM_BUG()
      https://git.kernel.org/powerpc/c/c4167aec98524fa4511b3222303a758b532b6009

cheers