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From: Matthias Kaehlcke <mka@chromium.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Masahiro Yamada" <yamada.masahiro@socionext.com>,
	"Doug Anderson" <dianders@chromium.org>,
	"Michal Marek" <mmarek@suse.com>,
	"Linux Kbuild mailing list" <linux-kbuild@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Grant Grundler" <grundler@chromium.org>,
	"Greg Hackmann" <ghackmann@google.com>,
	"Michael Davidson" <md@google.com>,
	"Nick Desaulniers" <ndesaulniers@google.com>,
	"Alexander Potapenko" <glider@google.com>,
	"Bernhard Rosenkränzer" <bero@linaro.org>
Subject: Re: [PATCH 2/2] kbuild: clang: Disable the 'duplicate-decl-specifier' warning
Date: Wed, 21 Jun 2017 14:19:32 -0700	[thread overview]
Message-ID: <20170621211932.GC52338@google.com> (raw)
In-Reply-To: <CAK8P3a1yopRPex3yrKj50cRPy8d3+urGE2XN3aQ61Uu=FE8oVQ@mail.gmail.com>

El Wed, Jun 21, 2017 at 07:59:42PM +0200 Arnd Bergmann ha dit:

> On Wed, Jun 21, 2017 at 6:58 PM, Matthias Kaehlcke <mka@chromium.org> wrote:
> > El Wed, Jun 21, 2017 at 12:11:55PM +0200 Arnd Bergmann ha dit:
> >> I see that container_of() has been modified in linux-next and no longer adds
> >> the 'const' keyword, do we actually still need the patch?
> >
> > There is still (at least) the case of const arrays passed to
> > MODULE_DEVICE_TABLE.
> 
> Does the 'const' have any effect there? As it's just an alias, it
> should at least
> not impact the placement of the symbol in the object file, right?

I agree, it shouldn't make a difference.

> Maybe we can just remove that 'const' too.

Seems worth a try. Do you want to send a patch for the removal?

> Do you see any other instances?

For both x86 and arm64 defconfig the instances are all from
container_of() or MODULE_DEVICE_TABLE.

  reply	other threads:[~2017-06-21 21:19 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-21 21:39 [PATCH 0/2] kbuild: clang: Disable spurious warnings Matthias Kaehlcke
2017-04-21 21:39 ` [PATCH 1/2] kbuild: clang: Disable 'address-of-packed-member' warning Matthias Kaehlcke
2017-04-30 13:59   ` Masahiro Yamada
2017-05-02  1:23     ` Matthias Kaehlcke
2017-05-06 16:52       ` Masahiro Yamada
2017-05-08 23:18         ` Matthias Kaehlcke
2017-05-16  6:31           ` Masahiro Yamada
2017-05-16 21:32   ` Doug Anderson
2017-06-22  1:19     ` Masahiro Yamada
2017-04-21 21:39 ` [PATCH 2/2] kbuild: clang: Disable the 'duplicate-decl-specifier' warning Matthias Kaehlcke
2017-04-30 14:01   ` Masahiro Yamada
2017-05-04 19:50     ` Matthias Kaehlcke
2017-05-08  8:29       ` Masahiro Yamada
2017-05-16 21:41   ` Doug Anderson
2017-05-17  7:35     ` Arnd Bergmann
2017-05-17 18:45       ` Matthias Kaehlcke
2017-05-24  0:04         ` Matthias Kaehlcke
2017-05-24  8:21           ` Arnd Bergmann
2017-06-21  9:11             ` Masahiro Yamada
2017-06-21 10:11               ` Arnd Bergmann
2017-06-21 16:58                 ` Matthias Kaehlcke
2017-06-21 17:59                   ` Arnd Bergmann
2017-06-21 21:19                     ` Matthias Kaehlcke [this message]
2017-07-31 16:35                     ` Matthias Kaehlcke

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