On Sun, 29 Jan 2012 15:25:59 +0200
Avi Kivity <a...@redhat.com> wrote:
> > I think introducing kvm_handle_hva_range() is the right thing if we really
> > care about unmapping large area at once.
> >
> > Current iteration:
> > for each page
> > for each slot
> > for each level
> >
> > My suggestion:
> > for each slot
> > for each level
> > for each page
> >
> > This way compiler can optimize the task to be a simple iteration over the
> > rmap array.
>
> Yes. This automatically includes the intersection calculation, since
> you have to do it for the 'for each page in slot' loop.
>
I personally implemented this before but stopped it because I wanted to
do rmap and rmap_pde refactoring first.
Takuya
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