linux-kernel - Re: [PATCH rtw-next] wifi: rtw89: Replace hardcoded strings with helper functions

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Message-ID: <aNS+Hk5QTzGq+AUO@visitorckw-System-Product-Name>
Date: Thu, 25 Sep 2025 11:59:26 +0800
From: Yu-Chun Lin <eleanor15x@...il.com>
To: Ping-Ke Shih <pkshih@...ltek.com>
Cc: "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	CY_Huang[黃鉦晏] <cy.huang@...ltek.com>,
	Stanley Chang[昌育德] <stanley_chang@...ltek.com>,
	"jserv@...s.ncku.edu.tw" <jserv@...s.ncku.edu.tw>,
	"visitorckw@...il.com" <visitorckw@...il.com>
Subject: Re: [PATCH rtw-next] wifi: rtw89: Replace hardcoded strings with
 helper functions

On Wed, Sep 24, 2025 at 12:43:56AM +0000, Ping-Ke Shih wrote:
> Yu-Chun Lin <eleanor15x@...il.com> wrote:
> > On Mon, Sep 22, 2025 at 05:50:50AM +0000, Ping-Ke Shih wrote:
> > > Yu-Chun Lin <eleanor15x@...il.com> wrote:
> > > > Replace hardcoded strings with 'str_on_off()', 'str_enable_disable()',
> > > > and 'str_read_write()'.
> > > >
> > > > The change improves readability and enables potential string deduplication
> > > > by the linker, which may slightly reduce binary size.
> > >
> > > Have you measured the change of binary size? Maybe you can share the result
> > > here.
> > >
> > 
> > I tested the patch and did not observe any measurable change in the binary size.
> > The commit message was refers to the description in string-choice.h:
> > 
> > "3) Deduping by the linker, which results in a smaller binary file."
> 
> It might rely on LTO (link-time optimization). 
>

I re-tested with 'LTO_CLANG=y', and the code size remains unchanged before
and after the patch. I will remove the statement
("may slightly reduce binary size") from the v2 commit message.