From: Roman Zippel <zippel@linux-m68k.org>
To: "David S. Miller" <davem@redhat.com>
Cc: pavel@suse.cz, davidm@hpl.hp.com, anton@samba.org,
linux-kernel@vger.kernel.org
Subject: Re: thread_info implementation
Date: Wed, 13 Feb 2002 02:30:37 +0100 [thread overview]
Message-ID: <3C69C1BD.CB57A57C@linux-m68k.org> (raw)
In-Reply-To: <15464.34183.282646.869983@napali.hpl.hp.com> <20020211.190449.55725714.davem@redhat.com> <20020212171421.GE148@elf.ucw.cz> <20020212.164636.21927297.davem@redhat.com>
Hi,
"David S. Miller" wrote:
> So you essentially made your cache one cacheline smaller.
>
> Not at all, that cacheline has to be in the cache anyways because
> it also holds all the other information which needs to be accessed
> during trap entry/exit.
>
> Try again.
Larger code size due to the extra load?
At least two cache lines needed for any access to task_struct?
David, what are you trying to prove? Any architecture which has a thread
register prefers to access data directly through this register and it's
not really difficult to avoid this indirection, that might be needed on
ia32.
bye, Roman
next prev parent reply other threads:[~2002-02-13 1:31 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-11 21:08 Roman Zippel
2002-02-11 20:50 ` Anton Blanchard
2002-02-12 0:01 ` Roman Zippel
2002-02-12 0:10 ` David Howells
2002-02-12 0:22 ` Roman Zippel
2002-02-12 0:46 ` David S. Miller
2002-02-12 0:57 ` Roman Zippel
2002-02-12 0:57 ` David S. Miller
2002-02-12 1:10 ` Roman Zippel
2002-02-12 13:01 ` Bjorn Wesen
2002-02-12 13:49 ` David S. Miller
2002-02-12 1:01 ` David Mosberger
2002-02-12 1:21 ` David Mosberger
2002-02-12 1:36 ` David Mosberger
2002-02-12 1:53 ` David Mosberger
2002-02-12 2:30 ` David Mosberger
2002-02-12 2:46 ` David Mosberger
2002-02-12 3:01 ` David Mosberger
2002-02-12 3:18 ` David Mosberger
2002-02-12 3:32 ` David Mosberger
2002-02-12 4:16 ` David Mosberger
2002-02-12 4:33 ` David Mosberger
2002-02-12 5:26 ` Richard Henderson
2002-02-12 5:50 ` David Mosberger
2002-02-13 11:18 ` Anton Blanchard
2002-02-12 5:32 ` David S. Miller
2002-02-12 5:57 ` Richard Henderson
2002-02-12 2:49 ` Davide Libenzi
2002-02-12 1:07 ` David S. Miller
2002-02-12 1:32 ` David S. Miller
2002-02-12 1:41 ` David S. Miller
2002-02-12 2:22 ` David S. Miller
2002-02-12 2:36 ` David S. Miller
2002-02-12 2:51 ` David S. Miller
2002-02-12 3:04 ` David S. Miller
2002-02-12 3:23 ` David S. Miller
2002-02-12 3:42 ` David S. Miller
2002-02-12 4:21 ` David S. Miller
2002-02-12 17:14 ` Pavel Machek
2002-02-13 0:46 ` David S. Miller
2002-02-13 1:30 ` Roman Zippel [this message]
2002-02-12 9:12 ` Roman Zippel
2002-02-12 9:30 ` Jeff Garzik
2002-02-12 10:14 ` Roman Zippel
2002-02-12 13:21 ` David Howells
2002-02-12 19:15 ` David Mosberger
2002-02-12 19:38 ` David Howells
-- strict thread matches above, loose matches on Subject: below --
2002-02-11 17:39 Arkadiy Chapkis - Arc
2002-02-11 20:19 ` Robert Love
2002-02-11 20:42 ` Luigi Genoni
2002-02-11 20:48 ` Robert Love
2002-02-11 23:37 ` Jeff Garzik
2002-02-11 23:49 ` Richard Henderson
2002-02-12 0:09 ` Dave Jones
2002-02-12 0:20 ` Jeff Garzik
2002-02-12 0:24 ` Dave Jones
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