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Re: [Xen-devel] [PATCH] [x86_64] Fixing PGT_va_mutable and PGT_va_unknow

from [Keir Fraser] [Permanent Link][Original]
To: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] [x86_64] Fixing PGT_va_mutable and PGT_va_unknown
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Mon, 15 Aug 2005 08:35:56 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On 15 Aug 2005, at 08:11, Nakajima, Jun wrote:


This patch ensures that type_info is always greater than PGT_va_unknown
if PGT_va_mutable is set.
Okay, but I see no reason to change PGT_va_mask. You already include 28 bits where you actually need only 27 bits of backptr. 

 -- Keir


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