From: "H. Peter Anvin" <hpa@zytor.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: const versus __attribute__((const))
Date: Mon, 08 Dec 2003 09:50:30 -0800 [thread overview]
Message-ID: <3FD4B9E6.9090902@zytor.com> (raw)
In-Reply-To: <200312081646.42191.arnd@arndb.de>
Arnd Bergmann wrote:
> H. Peter Anvin writes:
>
>>I have made a patch against the current tree defining
>>__attribute_const__ in <linux/compiler.h> and using it in the above
>>cases; does anyone know any reason why I should *NOT* submit this to
>>Linus?
>
>
> I noticed before that gcc appearantly ignores __attribute__((const))
> for inline functions, so both the original and your proposed code
> is rather pointless as an optimization, except for extern declarations.
>
> I'd rather remove the 'const' completely where it causes warnings for
> inline functions.
>
These functions are available to userspace, though, and can be compiled
with -O0; thus not inlined.
-hpa
next prev parent reply other threads:[~2003-12-08 17:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-08 15:46 const versus __attribute__((const)) Arnd Bergmann
2003-12-08 17:50 ` H. Peter Anvin [this message]
2003-12-08 18:27 ` Nikita Danilov
2003-12-08 18:31 ` H. Peter Anvin
2003-12-09 2:59 ` Jamie Lokier
2003-12-09 3:21 ` H. Peter Anvin
2003-12-09 3:49 ` Jamie Lokier
2003-12-09 5:37 ` H. Peter Anvin
2003-12-09 7:26 ` Linus Torvalds
2003-12-09 7:40 ` H. Peter Anvin
2003-12-09 11:56 ` Arnd Bergmann
2003-12-09 15:42 ` H. Peter Anvin
2003-12-09 16:44 ` Linus Torvalds
2003-12-09 16:51 ` H. Peter Anvin
2003-12-09 19:15 ` Jamie Lokier
2003-12-09 7:19 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2003-12-08 1:19 H. Peter Anvin
2003-12-08 12:32 ` Nikita Danilov
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