[PATCH 6/6] KVM: PPC: Add hugepage support for IOMMU in-kernel handling

2013-05-06 Thread Alexey Kardashevskiy
This adds special support for huge pages (16MB). The reference counting cannot be easily done for such pages in real mode (when MMU is off) so we added a list of huge pages. It is populated in virtual mode and get_page is called just once per a huge page. Real mode handlers check if the

[PATCH 6/6] KVM: PPC: Add hugepage support for IOMMU in-kernel handling

2013-05-06 Thread Alexey Kardashevskiy
This adds special support for huge pages (16MB). The reference counting cannot be easily done for such pages in real mode (when MMU is off) so we added a list of huge pages. It is populated in virtual mode and get_page is called just once per a huge page. Real mode handlers check if the