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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: Jan Beulich <jbeulich@novell.com>,
	Stable Kernel <stable@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH UPDATED] x86: set PAE PHYSICAL_MASK_SHIFT to 44 bits.
Date: Fri, 06 Jun 2008 14:50:45 +0100	[thread overview]
Message-ID: <484940B5.6030307@goop.org> (raw)
In-Reply-To: <87lk1iu2km.fsf@basil.nowhere.org>

Andi Kleen wrote:
> 43bits might be actally safer because of potential sign bugs.
>
> But of course it won't work anyways likely.
>   

I thought about it, but I think we're pretty consistent about putting 
pfns into unsigned types.  But, yes, you're very marginal at that point.

    J

  reply	other threads:[~2008-06-06 13:51 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-05 15:21 [PATCH] x86: set PAE PHYSICAL_MASK_SHIFT to match 64-bit Jeremy Fitzhardinge
2008-06-05 15:34 ` Jan Beulich
2008-06-05 15:42   ` Jeremy Fitzhardinge
2008-06-05 16:45     ` H. Peter Anvin
2008-06-05 21:14       ` Jeremy Fitzhardinge
2008-06-07 18:35         ` H. Peter Anvin
2008-06-06  9:21   ` [PATCH UPDATED] x86: set PAE PHYSICAL_MASK_SHIFT to 44 bits Jeremy Fitzhardinge
2008-06-06  9:58     ` Jan Beulich
2008-06-06 13:15     ` Andi Kleen
2008-06-06 13:50       ` Jeremy Fitzhardinge [this message]
2008-06-10 10:31     ` Ingo Molnar
2008-06-10 13:06       ` Jeremy Fitzhardinge
2008-06-13  7:24         ` Ingo Molnar
2008-06-06  1:40 ` [PATCH] x86: set PAE PHYSICAL_MASK_SHIFT to match 64-bit Andi Kleen
2008-06-06  7:14   ` Jan Beulich
2008-06-06  7:59   ` Jeremy Fitzhardinge
2008-06-06  8:14     ` Jan Beulich
2008-06-06  8:15       ` Jeremy Fitzhardinge
2008-06-07 18:39         ` H. Peter Anvin
2008-06-06  4:45 ` Arjan van de Ven
2008-06-06  8:08   ` Jeremy Fitzhardinge

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