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

From: Greg Kroah-Hartman
Date: Tue Oct 01 2019 - 05:59:18 EST


On Tue, Oct 01, 2019 at 12:42:34PM +0300, Jani Nikula wrote:
> On Tue, 01 Oct 2019, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx>
> >> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> >> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> >> Cc: Vishal Kulkarni <vishal@xxxxxxxxxxx>
> >> Cc: netdev@xxxxxxxxxxxxxxx
> >> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> >> Cc: linux-usb@xxxxxxxxxxxxxxx
> >> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> >> Cc: linux-kernel@xxxxxxxxxxxxxxx
> >> Cc: Julia Lawall <julia.lawall@xxxxxxx>
> >> Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> >> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> # 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?

No idea, but I haven't reviewed it yet, so to put my tag on there isn't
the nicest...

greg k-h