We have a new hypercall switch_to_user, and the xen knows which mode the
(virtual) processor is running in.
Jun
-----Original Message-----
From: xen-devel-admin@lists.sourceforge.net
[mailto:xen-devel-admin@lists.sourceforge.net] On Behalf Of Kip Macy
Sent: Saturday, March 05, 2005 9:01 PM
To: xen-devel@lists.sourceforge.net
Subject: [Xen-devel] trapping into xen on x86_64
If the kernel is running in ring 3 how does xen know whether a trap was
hit in user context or in kernel context - eip?
-Kip
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