Displaying 1 result from an estimated 1 matches for "paging_log_dirty_op".
2012 Jul 19
1
About log dirty mode during migration
...pages will cause page fault (permission conflict) then using page_mark_dirty function to set the dirty bitmap.
However, after I read the codes, I can''t find the code places for the above operations:
a. Where is the exact place for the domain to set all the memory pages as read only? From paging_log_dirty_op function, I can see that when the operation is XEN_DOMCTL_SHADOW_OP_CLEAN, it will call clear_page. But what is the function of this one? Why doesn''t it do for XEN_DOMCTL_SHADOW_OP_PEEK?
b. Where is the exact place for the domain to trap into hypervisor because of permission conflict and...