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From: Andrew Morton <akpm@osdl.org>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: ralf@linux-mips.org, linux-mips@linux-mips.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 64bit unaligned access on 32bit kernel
Date: Tue, 7 Mar 2006 21:12:40 -0800	[thread overview]
Message-ID: <20060307211240.4b1bb373.akpm@osdl.org> (raw)
In-Reply-To: <20060308.135840.69058042.nemoto@toshiba-tops.co.jp>

Atsushi Nemoto <anemo@mba.ocn.ne.jp> wrote:
>
> >>>>> On Tue, 7 Mar 2006 18:09:07 +0000, Ralf Baechle <ralf@linux-mips.org> said:
> ralf> Below's fix results in exactly the same code size on all
> ralf> compilers and configurations I've tested it.
> 
> ralf> I also have another more elegant fix which as a side effect
> ralf> makes get_unaligned work for arbitrary data types but it that
> ralf> one results in a slight code bloat:
> 
> I tested the patch attached on several MIPS kernel (big/little,
> 32bit/64bit) with gcc 3.4.5.  In most (but not all) case, Ralf's fix
> resulted better than the previous fix.
> 

hmm, well, your earlier patch has had more testing on various platforms,
for what that's worth.  I think for 2.6.16 we should run with that.  If you
want to prepare a patch which implements Ralf's version for post-2.6.16
then that would be good, thanks.


  reply	other threads:[~2006-03-08  5:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20050830104056.GA4710@linux-mips.org>
     [not found] ` <20060306.203218.69025300.nemoto@toshiba-tops.co.jp>
2006-03-07  1:05   ` Andrew Morton
2006-03-07  2:03     ` Atsushi Nemoto
2006-03-07 18:09     ` Ralf Baechle
2006-03-08  4:58       ` Atsushi Nemoto
2006-03-08  5:12         ` Andrew Morton [this message]
2007-02-14 21:42     ` [PATCH] Optimize generic get_unaligned / put_unaligned implementations Ralf Baechle
2007-02-15  4:39       ` Andrew Morton
2007-02-15  8:35         ` Marcel Holtmann
2007-02-15 14:34         ` Ralf Baechle
2007-02-15 21:53           ` Andrew Morton
2007-02-15 22:18             ` Ralf Baechle
2007-02-15 23:05               ` Jeremy Fitzhardinge
2007-02-15 23:38               ` Andrew Morton
2007-02-16  0:13                 ` Jeremy Fitzhardinge
2007-02-16  0:43                 ` Ralf Baechle
2007-02-16  1:27                   ` Andrew Morton
2007-02-16  1:59                     ` Ralf Baechle
2007-02-20 13:50                     ` Pavel Machek

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