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From: Joe Perches <joe@perches.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-kernel-mentees@lists.linuxfoundation.org,
	LKML <linux-kernel@vger.kernel.org>,
	kernel-janitors <kernel-janitors@vger.kernel.org>
Subject: Re: patch suggestion: Kconfig symbols
Date: Wed, 28 Jul 2021 14:30:54 -0700	[thread overview]
Message-ID: <733d2747b67a8a172333b51bacbf77fe@perches.com> (raw)
In-Reply-To: <09db53b9-7edf-44fc-c6b7-7c4e9198a2d4@infradead.org>

On 2021-07-28 12:41, Randy Dunlap wrote:
> On 7/28/21 8:37 AM, Joe Perches wrote:
>> On Mon, 2021-07-26 at 17:21 -0700, Randy Dunlap wrote:
>>> Running scripts/checkkconfigsymbols.py reports several hundred (maybe 
>>> thousand)
>>> Kconfig symbols that are used questionably. Lots of these are false 
>>> positives
>>> but lots of the remainder could use some cleaning up.
>> []
>>> False positive example:
>>> 
>>> XCHOFFLD_MEM
>>> Referencing files: drivers/scsi/qla2xxx/qla_mbx.c
>>> Similar symbols: OF_PMEM, CXL_MEM, CXL_PMEM
>>> 
>>> The Referencing source file does this:
>>> #define CONFIG_XCHOFFLD_MEM	0x3
>>> 
>>> which is legitimate, so no change is needed.
>> 
>> Legitimate is perhaps dubious.
>> 
>> It might be better if Kconfig has exclusive use of CONFIG_<foo> naming 
>> so
>> renaming all the other existing CONFIG_<foo> defines might be 
>> appropriate.
> 
> I would prefer that as well -- maybe 15 years ago.
> But I think it's too invasive to make that change now.

I do not think it's that invasive.

It's something that doesn't have to be done immediately either.

It's not too many macro defines and not too many uses of those defines.

  reply	other threads:[~2021-07-28 21:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <295b8f8c-4264-9f32-6723-9d2d574021ac@infradead.org>
2021-07-28 15:37 ` Joe Perches
2021-07-28 19:41   ` Randy Dunlap
2021-07-28 21:30     ` Joe Perches [this message]
2021-07-28 22:55       ` Randy Dunlap
2021-07-29  9:55   ` Greg KH

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