Hello ,
I came across the dirty-page tracking patch here:
[https://lkml.org/lkml/2011/6/21/169] .
There is some mention of dirty-bit tracking not working with EPT. Can
someone please clarify this? Does this patch only work when using
software shadow page tables ?
On a related note (i've asked a related question on this list a
couple of days back), why can we not use the
kvm_vm_ioctl_get_dirty_log function
[http://lxr.linux.no/#linux+v3.0/arch/x86/kvm/x86.c#L3297] ? Is it
because it is too expensive? If yes, can we use the dirty-page
tracking ideas in this patch and use it for the migration code?
Thanks for reading,
Prateek
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