From: Sam Ravnborg <sam@ravnborg.org>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
Ulf Magnusson <ulfalizer@gmail.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Nicholas Piggin <npiggin@gmail.com>,
Kate Stewart <kstewart@linuxfoundation.org>,
Markus Heiser <markus.heiser@darmarit.de>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Borislav Petkov <bp@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Jonathan Corbet <corbet@lwn.net>,
Michal Marek <michal.lkml@markovi.net>,
SeongJae Park <sj38.park@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Philippe Ombredanne <pombredanne@nexb.com>,
Max Filippov <jcmvbkbc@gmail.com>
Subject: Re: [PATCH 0/3] kbuild,kconfig: generate lexer/parser C files instead of copying _shipped files
Date: Fri, 15 Dec 2017 20:50:59 +0100 [thread overview]
Message-ID: <20171215195059.GA10168@ravnborg.org> (raw)
In-Reply-To: <CAK7LNAROtWVcpwpaKYAyr=jpPrOu3iMHVCJcVN+4SVp6ZtEd5g@mail.gmail.com>
Hi Masahiro.
> > In Linux build system convention, pre-generated files are version-
> > controlled with a "_shipped" suffix. During the kernel building,
> > they are simply shipped (copied) removing the suffix.
> >
> > From users' point of view, this approach can reduce external tool
> > dependency for the kernel build,
> >
> > From developers point of view, it is tedious to manually regenerate
> > such artifacts. In fact, we see several patches to regenerate
> > _shipped files. They are noise commits.
...
Nice cleanup we should have does years ago.
When we introduced this we did this to minimize the time
it took to configure a clean kernel - as one of the reasons.
Since then the average computer has been significantly faster
so the time to run flex/bison is not an issue anymore.
Sam
prev parent reply other threads:[~2017-12-15 19:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-09 16:02 [PATCH 0/3] kbuild,kconfig: generate lexer/parser C files instead of copying _shipped files Masahiro Yamada
2017-12-09 16:02 ` [PATCH 1/3] kbuild: add LEX and YACC variables Masahiro Yamada
2017-12-09 16:02 ` [PATCH 2/3] kbuild: prepare to remove C files pre-generated by flex and bison Masahiro Yamada
2017-12-09 16:47 ` Randy Dunlap
2017-12-14 23:54 ` [PATCH 0/3] kbuild,kconfig: generate lexer/parser C files instead of copying _shipped files Masahiro Yamada
2017-12-15 19:50 ` Sam Ravnborg [this message]
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