search for: page_mark_dirty

...estions about log dirty mode during live migration. For my understanding, each time after XEN_DOMCTL_SHADOW_OP_CLEAN or XEN_DOMCTL_SHADOW_OP_PEEK operation, all the pages are set as read only. The following memory accesses to the memory 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...