search for: shadow_set_p2m_entry

Displaying 2 results from an estimated 2 matches for "shadow_set_p2m_entry".

2007 Jan 05
0
The mfn_valid on shadow_set_p2m_entry()
Noticed that on change set 12568, we change the valid_mfn to be in fact the mfn_valid(). Then on change set 12572, we change the shadow_set_p2m_entry() to use mfn_valid(). I''m a bit confused by this change. I think current meaning of mfn_valid() is to check if the mfn is valid RAM. It is ok for page table pages. But for p2m table, considering shadow for driver domain or considering IOMMU in future, would it be possible that the mfn is w...
2007 Jul 02
3
Walking an HVM''s shadow page tables and other memory management questions.
Hello, I''m new to Xen and especially to the hypervisor code. I''m working off a 3.0.4.1 base and have the following questions regarding the memory management code for an x86, 32-bit platform (capable of supporting PAE). I''m doing some research into providing grant table hypercall support from a Windows 2003 HVM. I have made all the necessary changes to allow the