From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Ian Campbell <Ian.Campbell@eu.citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Cc: Jan Beulich <JBeulich@novell.com>
Subject: Re: [PATCH] switch to a known good/static GDT before kexec
Date: Thu, 02 Jul 2009 10:18:34 +0100 [thread overview]
Message-ID: <C67239FA.8815%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <31002ac6a13caadab7c1.1246524306@localhost.localdomain>
On 02/07/2009 09:45, "Ian Campbell" <Ian.Campbell@eu.citrix.com> wrote:
> switch to a known good/static GDT before kexec
>
> kexec has been failing (at least on 32on64, didn't try others) since
> 18771:8e18dd41c6c7 "x86: reduce GDT switching". Ensure that we are
> using a known good GDT before attempting to switch to compatability mode.
I thought 18771 still left us always running on a good GDT, as least as far
as Xen's own limited needs are concerned. I'd like this in for 3.4.1 of
course, but I'd also like to understand why the fix is required (and whether
this is the best fix).
-- Keir
next prev parent reply other threads:[~2009-07-02 9:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-02 8:45 [PATCH] switch to a known good/static GDT before kexec Ian Campbell
2009-07-02 9:18 ` Keir Fraser [this message]
2009-07-02 10:52 ` Keir Fraser
2009-07-02 11:11 ` Keir Fraser
2009-07-02 11:45 ` Re: [PATCH] switch to a known good/static GDT beforekexec Jan Beulich
2009-07-02 12:38 ` Keir Fraser
2009-07-02 19:59 ` Keir Fraser
2009-07-03 7:15 ` Re: [PATCH] switch to a known good/static GDTbeforekexec Jan Beulich
2009-07-03 7:48 ` Keir Fraser
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