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From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Jeff Layton <jlayton@kernel.org>, Christoph Hellwig <hch@lst.de>,
	Guo Ren <guoren@kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
	Parisc List <linux-parisc@vger.kernel.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	linux-s390 <linux-s390@vger.kernel.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	"J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: [PATCH 4/5] uapi: always define F_GETLK64/F_SETLK64/F_SETLKW64 in fcntl.h
Date: Wed, 12 Jan 2022 17:09:35 +0100	[thread overview]
Message-ID: <20220112160935.GA3684@lst.de> (raw)
In-Reply-To: <CAK8P3a3FgHQ+w+Sj00yOERRLWfVhx7NYsGJ1NBAXQ0=is3G=Kg@mail.gmail.com>

On Wed, Jan 12, 2022 at 01:08:24PM +0100, Arnd Bergmann wrote:
> > I don't have a strong opinion here. If we were taking symbols away that
> > were previously visible to userland it would be one thing, but since
> > we're just adding symbols that may not have been there before, this
> > seems less likely to break anything.
> 
> Changing
> 
> #ifndef CONFIG_64BIT
> 
> to
> 
> #if __BITS_PER_LONG==32 || defined(__KERNEL__),
> 
> would take symbols away, since the CONFIG_64BIT macro is never
> set in user space.

Yes.

> > I probably lean toward Christoph's original solution instead of keeping
> > the conditional definitions. It's hard to imagine there are many
> > programs that care whether these other symbols are defined or not.
> >
> > You can add this to the original patch:
> >
> > Acked-by: Jeff Layton <jlayton@kernel.org>
> 
> Sounds good, thanks

So should we go ahead with the series as-is?  Or respin it?  Or add
the above change ontop?

  reply	other threads:[~2022-01-12 16:09 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-11  8:35 consolidate the compat fcntl definitions Christoph Hellwig
2022-01-11  8:35 ` [PATCH 1/5] uapi: remove the unused HAVE_ARCH_STRUCT_FLOCK64 define Christoph Hellwig
2022-01-11  8:35 ` [PATCH 2/5] uapi: simplify __ARCH_FLOCK{,64}_PAD a little Christoph Hellwig
2022-01-11  8:35 ` [PATCH 3/5] uapi: merge the 32-bit mips struct flock into the generic one Christoph Hellwig
2022-01-11  8:35 ` [PATCH 4/5] uapi: always define F_GETLK64/F_SETLK64/F_SETLKW64 in fcntl.h Christoph Hellwig
2022-01-11 15:33   ` Arnd Bergmann
2022-01-12  2:08     ` Guo Ren
2022-01-12  7:56     ` Christoph Hellwig
2022-01-12  8:28       ` Arnd Bergmann
2022-01-12 11:15         ` Jeff Layton
2022-01-12 12:08           ` Arnd Bergmann
2022-01-12 16:09             ` Christoph Hellwig [this message]
2022-01-11  8:35 ` [PATCH 5/5] compat: consolidate the compat_flock{,64} definition Christoph Hellwig
2022-01-11  9:52   ` David Laight
2022-01-11 15:46 ` consolidate the compat fcntl definitions Arnd Bergmann
2022-01-12  9:56 ` Sergey Shtylyov
  -- strict thread matches above, loose matches on Subject: below --
2022-01-31  6:49 consolidate the compat fcntl definitions v2 Christoph Hellwig
2022-01-31  6:49 ` [PATCH 4/5] uapi: always define F_GETLK64/F_SETLK64/F_SETLKW64 in fcntl.h Christoph Hellwig
2022-01-31 13:38   ` Guo Ren
2022-02-01  3:02   ` Guo Ren
2022-02-01  3:07     ` Guo Ren
2021-04-12  8:55 consolidate the flock uapi definitions Christoph Hellwig
2021-04-12  8:55 ` [PATCH 4/5] uapi: always define F_GETLK64/F_SETLK64/F_SETLKW64 in fcntl.h Christoph Hellwig
2021-04-13 15:43   ` Helge Deller
2021-04-13 15:46     ` Christoph Hellwig
2021-04-13 15:58       ` Helge Deller

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