linux-kernel - Re: [PATCH] MIPS: octeon: Remove vestiges of CONFIG_CAVIUM

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Message-ID: <20210719112718.GA7434@alpha.franken.de>
Date:   Mon, 19 Jul 2021 13:27:18 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Joe Perches <joe@...ches.com>
Cc:     David Daney <david.daney@...ium.com>, linux-mips@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] MIPS: octeon: Remove vestiges of CONFIG_CAVIUM_RESERVE32

On Tue, Jul 13, 2021 at 10:49:15AM -0700, Joe Perches wrote:
> The config option CAVIUM_RESERVE32 is not used.
> Remove the dead code controlled by it.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
> 
> Uncompiled, untested.
> 
> Found using a grep for unused Kconfig entries:
> 
> $ git grep -P '^\s*#\s*if(?:def\s+|\s*defined\s*\(?\s*)CONFIG_[A-Z0-9_]+' | \
>   grep -oh -P '\bCONFIG_[A-Z0-9_]+\b' | \
>   sort | sed -e 's/^CONFIG_//' -e 's/_MODULE$//' | uniq | \
>   while read config ; do \
>     echo CONFIG_$config; \
>     git grep -w $config -- '*/Kconfig*' | \
>     wc -l; \
>   done | \
>   grep -B1 '^0'
> 
> with some additional inspection of the kernel source tree to verify.
> 
>  arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c | 21 +++---------
>  arch/mips/cavium-octeon/setup.c                    | 38 +---------------------

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]