From: Zachary Amsden <zach@vmware.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@suse.de>
Subject: Re: [PATCH] Remove default_ldt, and simplify ldt-setting.
Date: Thu, 24 Aug 2006 16:09:14 -0700 [thread overview]
Message-ID: <44EE319A.3000803@vmware.com> (raw)
In-Reply-To: <44EE308B.8000304@goop.org>
Jeremy Fitzhardinge wrote:
> (This is the replacement for kill-default_ldt.patch.)
>
> Remove default_ldt, and simplify ldt-setting.
>
> This patch removes the default_ldt[] array, as it has been unused
> since iBCS stopped being supported. This means it is now possible to
> actually set an empty LDT segment.
>
> In order to deal with this, the set_ldt_desc/load_LDT pair has been
> replaced with a single set_ldt() operation which is responsible for
> both setting up the LDT descriptor in the GDT, and reloading the LDT
> register. If there are no LDT entries, the LDT register is loaded
> with a NULL descriptor.
>
> Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
> Cc: Andi Kleen <ak@suse.de>
> Cc: Zachary Amsden <zach@vmware.com>
Acked-by: Zachary Amsden <zach@vmware.com>
This looks good.
Zach
next prev parent reply other threads:[~2006-08-24 23:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-24 23:04 [PATCH] Remove default_ldt, and simplify ldt-setting Jeremy Fitzhardinge
2006-08-24 23:09 ` Zachary Amsden [this message]
2006-08-24 23:15 ` Andi Kleen
2006-08-24 23:24 ` Zachary Amsden
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