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RE: [Xen-devel] [PATCH] This patch fixes several issues related to vmxas
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] [PATCH] This patch fixes several issues related to vmxassist |
| From: | "Li, Xin B" <xin.b.li@xxxxxxxxx> |
| Date: | Fri, 31 Mar 2006 00:09:59 +0800 |
| Cc: | Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 30 Mar 2006 16:11:41 +0000 |
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| Thread-index: | AcZUEewGkWLsj85KR2iFVpfU+gkXTgAAICqg |
| Thread-topic: | [Xen-devel] [PATCH] This patch fixes several issues related to vmxassist |
>Can you explain what was wrong with the function this patch changes, >and how the patch fixes that problem? The patch looks kludgy to me (as >far as I understand) -- apparently trying to differentiate between >real-mode and protected-mode segments? Why is that needed? Shouldn't >you be looking at the execution mode of the caller (e.g., EFLAGS.VM)? > > -- Keir Changeset 9366 from Leendert is to support big real mode, in turn to support the SYSLINUX/ISOLINUX. so the address calculation is kludgy, the point here is to identify if a cpu is in big real mode, if so, we should use protected mode addressing even in real mode. -Xin > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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