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From: Yury Norov <yury.norov@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Petr Mladek <pmladek@suse.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lib/vsprintf: add __putchar()
Date: Fri, 3 Sep 2021 09:01:14 -0700	[thread overview]
Message-ID: <YTJGyk65rv/026+p@yury-ThinkPad> (raw)
In-Reply-To: <20210903105607.35af6674@gandalf.local.home>

On Fri, Sep 03, 2021 at 10:56:07AM -0400, Steven Rostedt wrote:
> On Sun, 29 Aug 2021 16:36:13 +0300
> Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:
> 
> > On Fri, Aug 27, 2021 at 10:11:55AM -0700, Yury Norov wrote:
> > > There are 26 occurrences of the code snippet like this in the file :
> > > 	if (buf < end)
> > > 	        *buf = separator;
> > > 	++buf;
> > > 
> > > This patch adds a helper function __putchar() to replace opencoding.
> > > It adds a lot to readability, and also saves 43 bytes of text on x86.  
> > 
> > Last time I tried similar it failed the compilation.
> > 
> > Anyway, while you remove a lot of code I'm not sure it makes the code better
> > to read and understand. Also, we use the same idiom outside of this file.
> > 
> > I would ask Rasmus' opinion on this.
> > 
> 
> I actually like the clean up, although I haven't reviewed the entire patch.

Thanks.
 
> If it is used outside this file, perhaps it should be in a header instead
> and those other locations should be updated accordingly.

I used 'grep "buf < end"' to find spots for cleanup. And except for
lib/vsprintf.c, there is a few random drivers inappropriate for this
cleanup. Andy, can you please share details?

Steve, if you like it, are you OK if I resend this patch? I just found
another spot in lib/vsprintf.c to rework.

Thanks,
Yury

  reply	other threads:[~2021-09-03 16:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-27 17:11 Yury Norov
2021-08-29 13:36 ` Andy Shevchenko
2021-09-03 14:56   ` Steven Rostedt
2021-09-03 16:01     ` Yury Norov [this message]
2021-09-03 16:20       ` Steven Rostedt
2021-09-03 19:48       ` Andy Shevchenko

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