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page_mark_dirty
2012 Jul 19
1
About log dirty mode during migration
Hi All,
I have several questions 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