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From: Joe Perches <joe@perches.com>
To: Greg KH <gregkh@linuxfoundation.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Randy Dunlap <rdunlap@infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] media: do not use C++ style comments in uapi headers
Date: Tue, 04 Jun 2019 22:22:05 -0700	[thread overview]
Message-ID: <b70cf8c1f901ea09abbdb22dd28244b18fd1a39d.camel@perches.com> (raw)
In-Reply-To: <20190605051040.GA22760@kroah.com>

On Wed, 2019-06-05 at 07:10 +0200, Greg KH wrote:
> On Wed, Jun 05, 2019 at 01:10:41PM +0900, Masahiro Yamada wrote:
> > On Wed, Jun 5, 2019 at 3:21 AM Arnd Bergmann <arnd@arndb.de> wrote:
[]
> > This means we cannot reliably use uint{8,16,32,64}_t in UAPI headers.
> 
> We should not be doing that as they are in the userspace "namespace" of
> variables, not in the kernel namespace.  We've been over this many times
> in the past :(

Just not very successfully...

$ git grep -w -P 'u?_?int(?:8|16|32|64)_t' include/uapi | wc -l
342

$ git grep -w -P --name-only 'u?_?int(?:8|16|32|64)_t' include/uapi | wc -l
13

Documentation helps a bit, checkpatch helps as well.
Maintainer knowledge and vigilance probably helps the most.


  reply	other threads:[~2019-06-05  5:22 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-04 11:13 [PATCH] media: do not use C++ style comments in uapi headers Masahiro Yamada
2019-06-04 11:23 ` Joe Perches
2019-06-04 11:48   ` Masahiro Yamada
2019-06-04 12:04     ` Joe Perches
2019-06-04 11:54   ` Arnd Bergmann
2019-06-04 12:48     ` Masahiro Yamada
2019-06-04 13:32       ` Masahiro Yamada
2019-06-04 13:42       ` Greg KH
2019-06-04 15:27         ` Masahiro Yamada
2019-06-04 18:20           ` Arnd Bergmann
2019-06-05  4:10             ` Masahiro Yamada
2019-06-05  5:10               ` Greg KH
2019-06-05  5:22                 ` Joe Perches [this message]
2019-06-05  6:02                   ` Greg KH
2019-06-05 10:08                     ` Masahiro Yamada
2019-06-05 10:14                   ` Mauro Carvalho Chehab
2019-06-05 17:03                     ` Joe Perches
2019-06-09  7:14                       ` Masahiro Yamada
2019-06-09 11:55                         ` Joe Perches
2019-06-09 13:08                           ` Masahiro Yamada
2019-06-09 13:35                             ` Joe Perches
2019-06-09 17:19                               ` Masahiro Yamada
2019-06-09 17:42                         ` Pavel Machek
2019-06-16 15:48           ` Pavel Machek
2019-06-04 14:42 ` Mauro Carvalho Chehab

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