| To: | <xen-users@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-users] How to set VMX trap on a perticular Memory Page |
| From: | "Venkatesh, C D" <c.d.venkatesh@xxxxxxxxx> |
| Date: | 2007年9月26日 13:10:52 -0700 |
| Delivery-date: | 2007年9月26日 13:12:14 -0700 |
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| Thread-topic: | How to set VMX trap on a perticular Memory Page |
I am trying to locate the code (xen hypervisor or dom0) where xen is configuring to hide the physical phages (MMIO or other physical pages) from domain(s). This way CPU generates pagefault when domain tries to access them, which causes VMExit to occur.
In otherwords, there may be some where we must be registering pages to hide from domain. ?????
I do know where it gets handled (hvm_mmio_intercept, hvm_mmio_handlers, hvm_mmio_access, hvm_send_assist_req in QEMU). But where do I configure/set for example a specific 4K page to always pagefault based VMExit.
Appreciate any pointers…
-CD
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