On Mon, Dec 03, 2018 at 07:20:08PM +0530, Anshuman Khandual wrote:
>
>
> On 10/31/2018 11:27 PM, Punit Agrawal wrote:
> > Introduce helpers to abstract architectural handling of the conversion
> > of pfn to page table entries and marking a PMD page table entry as a
> > block entry.
>
> Why is this necessary ? we would still need to access PMD, PUD as is
> without any conversion. IOW KVM knows the breakdown of the page table
> at various levels. Is this something required from generic KVM code ?
>
> >
> > The helpers are introduced in preparation for supporting PUD hugepages
> > at stage 2 - which are supported on arm64 but do not exist on arm.
>
> Some of these patches (including the earlier two) are good on it's
> own. Do we have still mention in commit message about the incoming PUD
> enablement as the reason for these cleanup patches ?
>
Does it hurt? What is your concern here?
Thanks,
Christoffer
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