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Izik Eidus wrote:
+ if (!kvm_x86_ops-dirty_bit_support()) {
+ spin_lock(kvm-mmu_lock);
+ /* remove_write_access() flush the tlb */
+ kvm_mmu_slot_remove_write_access(kvm,
Avi Kivity wrote:
Izik Eidus wrote:
change the dirty page tracking to work with dirty bity instead of
page fault.
right now the dirty page tracking work with the help of page faults,
when we
want to track a page for being dirty, we write protect it and we mark
it dirty
when we have write page
Izik Eidus wrote:
Avi Kivity wrote:
Izik Eidus wrote:
change the dirty page tracking to work with dirty bity instead of
page fault.
right now the dirty page tracking work with the help of page faults,
when we
want to track a page for being dirty, we write protect it and we
mark it dirty
when
On Thu, Jun 11, 2009 at 02:27:46PM +0300, Izik Eidus wrote:
Marcelo Tosatti wrote:
What i'm saying is with shadow and NPT (i believe) you can mark a spte
writable but not dirty, which gives you the ability to know whether
certain pages have been dirtied.
Isnt this what this patch is
Izik Eidus wrote:
+static int vmx_dirty_bit_support(void)
+{
+ return false;
+}
+
Again, idiotic bug: this should be:
return tdp_enable == false;
...
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On Wed, Jun 10, 2009 at 07:23:25PM +0300, Izik Eidus wrote:
change the dirty page tracking to work with dirty bity instead of page fault.
right now the dirty page tracking work with the help of page faults, when we
want to track a page for being dirty, we write protect it and we mark it dirty
Marcelo Tosatti wrote:
On Wed, Jun 10, 2009 at 07:23:25PM +0300, Izik Eidus wrote:
change the dirty page tracking to work with dirty bity instead of page fault.
right now the dirty page tracking work with the help of page faults, when we
want to track a page for being dirty, we write protect
Izik Eidus wrote:
Marcelo Tosatti wrote:
/* Free page dirty bitmap if unneeded */
-if (!(new.flags KVM_MEM_LOG_DIRTY_PAGES))
+if (!(new.flags KVM_MEM_LOG_DIRTY_PAGES)) {
new.dirty_bitmap = NULL;
+if (old.flags KVM_MEM_LOG_DIRTY_PAGES)
+
