From: Thomas Gleixner <tglx@linutronix.de>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH 02/13] hrtimer: remove useless const
Date: Mon, 13 Feb 2006 12:28:36 +0100 [thread overview]
Message-ID: <1139830116.2480.464.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.61.0602130209340.23804@scrub.home>
On Mon, 2006-02-13 at 02:09 +0100, Roman Zippel wrote:
> A const for arguments which are passed by value is completely ignored by
> gcc. It has only an effect on local variables and even here gcc doesn't
> need it either to produce better code.
>
> Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
NACK - gcc3 produces smaller code with the const - only gcc4 fixed that,
so we want to keep these consts until gcc4 is the only compiler
supported.
Also this is neither a regression nor a bug and therefor not required
for 2.6.16.
tglx
next prev parent reply other threads:[~2006-02-13 11:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-13 1:09 [PATCH 02/13] hrtimer: remove useless const Roman Zippel
2006-02-13 11:28 ` Thomas Gleixner [this message]
2006-02-13 11:38 ` Roman Zippel
2006-02-13 11:46 ` Ingo Molnar
2006-02-13 11:53 ` Andrew Morton
2006-02-13 12:18 ` Roman Zippel
2006-02-13 12:30 ` Andrew Morton
2006-02-13 12:50 ` Roman Zippel
2006-02-13 19:52 ` Andrew Morton
2006-02-13 19:59 ` Ingo Molnar
2006-02-13 20:03 ` linux-os (Dick Johnson)
2006-02-13 21:21 ` Andrew Morton
2006-02-13 21:57 ` Roman Zippel
2006-02-13 12:09 ` Roman Zippel
2006-02-13 12:26 ` Roman Zippel
2006-02-13 15:54 ` Roman Zippel
2006-02-13 20:35 ` Andrew Morton
2006-02-13 22:01 ` Roman Zippel
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