linux-kernel - Re: [PATCH] mm: nommu: convert kenter/kleave/kdebug macros to use pr

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Date:	Tue, 19 May 2015 08:20:12 +0300
From:	Leon Romanovsky <leon@...n.nu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	dhowells <dhowells@...hat.com>, aarcange <aarcange@...hat.com>,
	Linux-MM <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: nommu: convert kenter/kleave/kdebug macros to use pr_devel()

On Tue, May 19, 2015 at 1:27 AM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Mon, 18 May 2015 21:42:06 +0300 Leon Romanovsky <leon@...n.nu> wrote:
>
>> kenter/kleave/kdebug are wrapper macros to print functions flow and debug
>> information. This set was written before pr_devel() was introduced, so
>> it was controlled by "#if 0" construction.
>>
>> This patch refactors the current macros to use general pr_devel()
>> functions which won't be compiled in if "#define DEBUG" is not declared
>> prior to that macros.
>
> I doubt if anyone has used these in a decade and only a tenth of the
> mm/nommu.c code is actually wired up to use the macros.

A couple of days before, the question "how to handle such code" [1]
was raised by me. Later, Joe Perches suggested to add into
consideration the "delete option" [2].

> I'd suggest just removing it all.  If someone later has a need, they
> can add their own pr_devel() calls.
My patch followed the preference of initial author (David Howells [3] and [4]).

Please advise how should I proceed with it.

[1] [RFC] Refactor kenter/kleave/kdebug macros -
https://lkml.org/lkml/2015/5/16/279
[2] https://lkml.org/lkml/2015/5/16/280
[3] https://lkml.org/lkml/2015/5/18/199
[4] https://lkml.org/lkml/2015/5/18/457

Thanks.


-- 
Leon Romanovsky | Independent Linux Consultant
        www.leon.nu | leon@...n.nu
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