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From: Kees Cook <keescook@chromium.org>
To: Brendan Higgins <brendanhiggins@google.com>
Cc: David Gow <davidgow@google.com>,
	Alan Maguire <alan.maguire@oracle.com>,
	Vitor Massaru Iha <vitor@massaru.org>,
	KUnit Development <kunit-dev@googlegroups.com>,
	Shuah Khan <skhan@linuxfoundation.org>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-kernel-mentees@lists.linuxfoundation.org,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: common KUnit Kconfig and file naming (was: Re: [PATCH] lib: kunit_test_overflow: add KUnit test of check_*_overflow functions)
Date: Thu, 18 Jun 2020 20:42:01 -0700	[thread overview]
Message-ID: <202006182016.C93BC8AB@keescook> (raw)
In-Reply-To: <CAFd5g44kZe7h+qKHmx029Qj15FdqxsFRFD3TEx_iEhPEt0jJmA@mail.gmail.com>

On Thu, Jun 18, 2020 at 01:27:55PM -0700, Brendan Higgins wrote:
> I am cool with changing *-test.c to *-kunit.c. The *-test.c was a hold

I am fine with basically any decision as long as there's a single naming
convention, *except* for this part. Dashes in source files creates
confusion for module naming. Separators should be underscores. This is
a standing pet-peeve of mine, and while I certainly can't fix it
universally in the kernel, we can at least avoid creating an entire
subsystem that gets this wrong for all modules. :)

To illustrate:

$ modinfo dvb-bt8xx
filename: .../kernel/drivers/media/pci/bt8xx/dvb-bt8xx.ko
...
name:           dvb_bt8xx
                   ^         does not match the .ko file, nor source.

Primarily my issue is the disconnect between "dmesg" output and finding
the source. It's not like, a huge deal, but it bugs me. :) As in:

$ strings drivers/media/pci/bt8xx/dvb-bt8xx.o | grep 'Init Error'
4dvb_bt8xx: or51211: Init Error - Can't Reset DVR (%i)


All this said, if there really is some good reason to use dashes, I will
get over it. :P

(And now that I've had to say all this "out loud", I wonder if maybe I
could actually fix this all at the root cause: KBUILD_MOD_NAME... it is
sometimes used for identifiers, which is why it does the underscore
replacement... I wonder if it could be split into "name" and
"identifier"...)

-- 
Kees Cook

  reply	other threads:[~2020-06-19  3:42 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-11 21:55 [PATCH] lib: kunit_test_overflow: add KUnit test of check_*_overflow functions Vitor Massaru Iha
2020-06-12 19:06 ` Brendan Higgins
2020-06-12 22:36 ` Kees Cook
2020-06-13  6:51   ` David Gow
2020-06-14 17:48     ` common KUnit Kconfig and file naming (was: Re: [PATCH] lib: kunit_test_overflow: add KUnit test of check_*_overflow functions) Kees Cook
2020-06-16  7:25       ` David Gow
2020-06-16  9:40         ` Alan Maguire
2020-06-17  4:20           ` David Gow
2020-06-18 20:27             ` Brendan Higgins
2020-06-19  3:42               ` Kees Cook [this message]
2020-06-19  6:39               ` David Gow
2020-06-19 20:12                 ` Brendan Higgins
2020-06-15 16:30   ` [PATCH] lib: kunit_test_overflow: add KUnit test of check_*_overflow functions Vitor Massaru Iha
2020-06-15 18:37     ` Kees Cook
2020-06-13  6:56 ` David Gow
2020-06-15 16:33   ` Vitor Massaru Iha

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