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From: David Gibson <david@gibson.dropbear.id.au>
To: "David S. Miller" <davem@davemloft.net>
Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: IA64 non-contiguous memory space bugs
Date: Wed, 22 Feb 2006 13:17:14 +1100	[thread overview]
Message-ID: <20060222021714.GD23574@localhost.localdomain> (raw)
In-Reply-To: <20060221.163935.32626284.davem@davemloft.net>

On Tue, Feb 21, 2006 at 04:39:35PM -0800, David S. Miller wrote:
> From: David Gibson <david@gibson.dropbear.id.au>
> Date: Wed, 22 Feb 2006 11:13:59 +1100
> 
> > Quite some time ago, I found (by inspection) an ia64 specific bug
> > related to its non-contiguous user address space.  I've never done
> > anything about it, because I don't have an ia64 to test on - but
> > somebody should fix it.  Recently I've spotted another possible bug,
> > also by inspection - I don't know enough about ia64 to tell if it's a
> > real problem or not.
> 
> Good catch David, I'll need to add similar checks on sparc64 as
> we have a 64-bit virtual address space hole on several processors
> there.

Ok, that patch adds all the checks in generic code anyway, so all you
should need for sparc64 is an appropriate REGION_MAX() macro.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

  reply	other threads:[~2006-02-22  2:26 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-22  0:13 IA64 non-contiguous memory space bugs David Gibson
2006-02-22  0:39 ` David S. Miller
2006-02-22  2:17   ` David Gibson [this message]
2006-02-22  1:31 ` Chen, Kenneth W
2006-02-22  1:51   ` Chen, Kenneth W
2006-02-22  2:25     ` 'David Gibson'
2006-02-22  2:45       ` Chen, Kenneth W
2006-02-22 16:35       ` Hugh Dickins
2006-02-22 23:49         ` 'David Gibson'
2006-02-23 20:13           ` Hugh Dickins
2006-02-24  0:11             ` 'David Gibson'
2006-02-24  1:14               ` Chen, Kenneth W
2006-02-24  2:46                 ` 'David Gibson'
2006-02-22  2:15   ` 'David Gibson'
2006-02-22  2:53 ` Chen, Kenneth W
2006-02-22  3:55   ` David Mosberger-Tang
2006-02-22  4:02     ` David Gibson
2006-02-22 16:19 ` Chen, Kenneth W
2006-02-22 23:26   ` 'David Gibson'
2006-02-22  3:01 Zhang, Yanmin

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