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Re: [Xen-devel] [PATCH] vmx: correct EIP value of task-state segment
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] vmx: correct EIP value of task-state segment |
| From: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx> |
| Date: | Fri, 31 Jul 2009 14:18:01 +0200 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Kouya Shimura <kouya@xxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 31 Jul 2009 05:18:32 -0700 |
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Keir Fraser wrote: > On 31/07/2009 10:34, "Kouya Shimura" <kouya@xxxxxxxxxxxxxx> wrote: > >>> The reference manuals are sketchy enough you may need to test out some task >>> switches on SVM and VMX hardware to make sure you make patches that really >>> do the right thing. >> Sorry, I don't have much time to test this. >> But the OS works fine with this patch. (of course, the OS is for native) >> I confirmed Windows(XP,2008Server) never use a task switch. > > They do on blue screen I believe. OTOH I suppose they don't come back from > it. I'll have to queue this up for testing myself. > > Is the "int 2" in that popular proprietary OS "BS2000" perchance? ;-) :-) No, it isn't. And we are not doing task switches. Juergen -- Juergen Gross Principal Developer Operating Systems TSP ES&S SWE OS6 Telephone: +49 (0) 89 636 47950 Fujitsu Technolgy Solutions e-mail: juergen.gross@xxxxxxxxxxxxxx Otto-Hahn-Ring 6 Internet: ts.fujitsu.com D-81739 Muenchen Company details: ts.fujitsu.com/imprint.html _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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