Re: [Xen-users] domU page fault handling

["Aravindh Puthiyaparambil (aravindp)" <aravindp@xxxxxxxxx>]

>> 1) the domU operating system do_page_fault() routine, in
>> linux-source-xxx/arch/x86/mm/fault.c.
>> In this case, how does the modification of domU page tables are
>> possible since a domU is not allowed to update them.
>
>These updates happen via the usual hypercall mechanisms.

This page gives some details about this.

http://wiki.xenproject.org/wiki/X86_Paravirtualised_Memory_Management

Aravindh
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