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Re: [Xen-devel] VMX Assist and x86 segment registers
| To: | aliguori@xxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-devel] VMX Assist and x86 segment registers |
| From: | Khoa Huynh <khoa@xxxxxxxxxx> |
| Date: | Wed, 31 May 2006 11:19:40 -0500 |
| Cc: | Randy Thelen <rthelen@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 31 May 2006 09:20:44 -0700 |
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aliguori@xxxxxxxxxxxxxxxxxxxxxxx wrote on 05/31/2006 10:07:08 AM: > Big real mode is definitely a problem in vm86 mode. FreeBSD is also > notorious for its use of segmentation :-) I think it has been proposed > that a potential solution is to do away with vmxassist entirely and > instead use qemu to emulate 16 bit mode (or another emulator if > available). Not sure if anyone is actually working on that yet though. > It seems to be the most promising solution. Yes, we are thinking of putting a full instruction emulator into qemu-dm and emulating 16-bit stuff in qemu-dm instead of using vmxassist (vmxassist will go away). Leendert van Doorn and I are working on this. Thanks. Regards, Khoa _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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