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[Xen-devel] Re: [PATCH] switch to a known good/static GDT before kexec
| To: | Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH] switch to a known good/static GDT before kexec |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Thu, 02 Jul 2009 10:18:34 +0100 |
| Cc: | Jan Beulich <JBeulich@xxxxxxxxxx> |
| Delivery-date: | Thu, 02 Jul 2009 02:19:05 -0700 |
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| Thread-topic: | [PATCH] switch to a known good/static GDT before kexec |
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On 02/07/2009 09:45, "Ian Campbell" <Ian.Campbell@xxxxxxxxxxxxx> 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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