From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: tao@acc.umu.se (David Weinehall)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox),
torvalds@transmeta.com (Linus Torvalds),
ebiederm@xmission.com (Eric W. Biederman),
andrea@suse.de (Andrea Arcangeli),
dwmw2@infradead.org (David Woodhouse),
zlatko@iskon.hr (Zlatko Calusic),
riel@conectiva.com.br (Rik van Riel),
linux-kernel@vger.kernel.org
Subject: Re: Subtle MM bug
Date: Thu, 11 Jan 2001 00:24:20 +0000 (GMT) [thread overview]
Message-ID: <E14GVXT-0001Js-00@the-village.bc.nu> (raw)
In-Reply-To: <20010111005657.B2243@khan.acc.umu.se> from "David Weinehall" at Jan 11, 2001 12:56:57 AM
> > The MMU on these systems is a CAM, and the mmu table is thus backwards to
> > convention. (It also means you can notionally map two physical addresses to
> > one virtual but thats undefined in the implementation ;))
>
> Are there any other (not yet supported) platforms with similar (or other
> unrelated, but hard to support because of the current architecture of
> the kernel) problems?
I believe its uniquely deranged. There are people who have asked for reverse
tables for other purposes (eg cache flush handling) but their mmu is the normal
way around.
Alan
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next prev parent reply other threads:[~2001-01-11 0:25 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-08 5:29 Subtle MM bug Wayne Whitney
2001-01-08 5:42 ` Andi Kleen
2001-01-08 6:04 ` Linus Torvalds
2001-01-08 17:44 ` Rik van Riel
2001-01-08 18:02 ` Linus Torvalds
2001-01-08 17:16 ` Rik van Riel
2001-01-08 17:58 ` Linus Torvalds
2001-01-08 23:41 ` Zlatko Calusic
2001-01-09 2:58 ` Linus Torvalds
2001-01-09 6:20 ` Eric W. Biederman
2001-01-09 7:27 ` Linus Torvalds
2001-01-09 11:38 ` Eric W. Biederman
2001-01-09 12:29 ` Zlatko Calusic
2001-01-09 18:47 ` Linus Torvalds
2001-01-09 19:09 ` Daniel Phillips
2001-01-09 19:29 ` Trond Myklebust
2001-01-10 17:32 ` Andi Kleen
2001-01-10 19:31 ` Alan Cox
2001-01-10 19:33 ` Andi Kleen
2001-01-10 19:40 ` Alan Cox
2001-01-10 19:43 ` Andi Kleen
2001-01-10 19:48 ` Alan Cox
2001-01-10 19:48 ` Andi Kleen
2001-01-11 9:51 ` Trond Myklebust
2001-01-10 20:11 ` Linus Torvalds
2001-01-11 12:56 ` Stephen C. Tweedie
2001-01-11 13:10 ` Andi Kleen
2001-01-11 13:12 ` Trond Myklebust
2001-01-11 14:13 ` Stephen C. Tweedie
2001-01-11 19:03 ` Alexander Viro
2001-01-11 19:47 ` Stephen C. Tweedie
2001-01-11 19:57 ` Alexander Viro
2001-01-11 16:50 ` Albert D. Cahalan
2001-01-11 17:35 ` Stephen C. Tweedie
2001-01-11 19:38 ` Albert D. Cahalan
2001-01-11 19:01 ` Alexander Viro
2001-01-09 19:37 ` Linus Torvalds
2001-01-17 8:46 ` Rik van Riel
2001-01-25 22:51 ` Daniel Phillips
2001-01-09 19:53 ` Simon Kirby
2001-01-09 20:08 ` Linus Torvalds
2001-01-09 20:10 ` Zlatko Calusic
2001-01-10 1:45 ` David Woodhouse
2001-01-10 2:26 ` Andrea Arcangeli
2001-01-10 6:57 ` Linus Torvalds
2001-01-10 11:46 ` David Woodhouse
2001-01-10 14:56 ` Andrea Arcangeli
2001-01-10 17:46 ` Eric W. Biederman
2001-01-10 18:33 ` Andrea Arcangeli
2001-01-17 14:26 ` Rik van Riel
2001-01-10 19:03 ` Linus Torvalds
2001-01-10 19:27 ` David S. Miller
2001-01-10 19:36 ` Alan Cox
2001-01-10 23:56 ` David Weinehall
2001-01-11 0:24 ` Alan Cox [this message]
2001-01-12 5:56 ` Ralf Baechle
2001-01-12 16:10 ` Eric W. Biederman
2001-01-12 21:11 ` Russell King
2001-01-15 2:56 ` Ralf Baechle
2001-01-15 6:59 ` Eric W. Biederman
2001-01-15 2:53 ` Ralf Baechle
2001-01-15 8:41 ` Caches, page coloring, virtual indexed caches, and more Eric W. Biederman
2001-01-15 11:54 ` Ralf Baechle
2001-01-15 12:53 ` Anton Blanchard
2001-01-15 17:41 ` Ralf Baechle
2001-01-17 4:36 ` Anton Blanchard
2001-01-16 9:34 ` Eric W. Biederman
2001-01-17 4:43 ` Anton Blanchard
2001-01-17 8:35 ` Eric W. Biederman
2001-01-15 17:16 ` Eric W. Biederman
2001-01-16 4:58 ` Ralf Baechle
2001-01-15 18:22 ` Jamie Lokier
2001-01-15 12:51 ` Anton Blanchard
2001-01-17 14:28 ` Subtle MM bug Rik van Riel
2001-01-18 1:23 ` Linus Torvalds
2001-01-18 11:48 ` Rik van Riel
2001-01-10 17:03 ` Linus Torvalds
2001-01-11 14:36 ` Jim Gettys
2001-01-08 21:30 ` Wayne Whitney
-- strict thread matches above, loose matches on Subject: below --
2001-01-10 19:57 Chris Wing
2001-01-08 20:39 Szabolcs Szakacsits
2001-01-08 21:56 ` Wayne Whitney
2001-01-08 23:22 ` Wayne Whitney
2001-01-08 23:30 ` Andrea Arcangeli
2001-01-09 0:37 ` Linus Torvalds
2001-01-08 22:00 ` Wayne Whitney
2001-01-08 22:15 ` Andrea Arcangeli
2001-01-07 20:59 Zlatko Calusic
2001-01-07 21:37 ` Rik van Riel
2001-01-07 22:33 ` Zlatko Calusic
2001-01-09 2:01 ` Zlatko Calusic
2001-01-17 4:48 ` Rik van Riel
2001-01-17 18:53 ` Zlatko Calusic
2001-01-18 1:32 ` Rik van Riel
2001-04-17 19:37 ` H. Peter Anvin
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