netdev - Re: [PATCH v3] string-choice: add yesno(), onoff(), enableddisabled(), plural() helpers

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Date:   Tue, 01 Oct 2019 12:42:34 +0300
From:   Jani Nikula <jani.nikula@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-kernel@...r.kernel.org,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        intel-gfx@...ts.freedesktop.org,
        Vishal Kulkarni <vishal@...lsio.com>, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH v3] string-choice: add yesno(), onoff(), enableddisabled(), plural() helpers

On Tue, 01 Oct 2019, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> On Tue, Oct 01, 2019 at 11:07:39AM +0300, Jani Nikula wrote:
>> The kernel has plenty of ternary operators to choose between constant
>> strings, such as condition ? "yes" : "no", as well as value == 1 ? "" :
>> "s":
>> 
>> $ git grep '? "yes" : "no"' | wc -l
>> 258
>> $ git grep '? "on" : "off"' | wc -l
>> 204
>> $ git grep '? "enabled" : "disabled"' | wc -l
>> 196
>> $ git grep '? "" : "s"' | wc -l
>> 25
>> 
>> Additionally, there are some occurences of the same in reverse order,
>> split to multiple lines, or otherwise not caught by the simple grep.
>> 
>> Add helpers to return the constant strings. Remove existing equivalent
>> and conflicting functions in i915, cxgb4, and USB core. Further
>> conversion can be done incrementally.
>> 
>> While the main goal here is to abstract recurring patterns, and slightly
>> clean up the code base by not open coding the ternary operators, there
>> are also some space savings to be had via better string constant
>> pooling.
>> 
>> Cc: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
>> Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>
>> Cc: intel-gfx@...ts.freedesktop.org
>> Cc: Vishal Kulkarni <vishal@...lsio.com>
>> Cc: netdev@...r.kernel.org
>> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>> Cc: linux-usb@...r.kernel.org
>> Cc: Andrew Morton <akpm@...ux-foundation.org>
>> Cc: linux-kernel@...r.kernel.org
>> Cc: Julia Lawall <julia.lawall@...6.fr>
>> Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
>> Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> # v1
>
> As this is a totally different version, please drop my reviewed-by as
> that's really not true here :(

I did indicate it was for v1. Indeed v2 was different, but care to
elaborate what's wrong with v3?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center