Alexey Kardashevskiy c10c21efa4 powerpc/vfio/iommu/kvm: Do not pin device memory ... This new memory does not have page structs as it is not plugged to the host so gup() will fail anyway. This adds 2 helpers: - mm_iommu_newdev() to preregister the "memory device" memory so the rest of API can still be used; - mm_iommu_is_devmem() to know if the physical address is one of thise new regions which we must avoid unpinning of. This adds @mm to tce_page_is_contained() and iommu_tce_xchg() to test if the memory is device memory to avoid pfn_to_page(). This adds a check for device memory in mm_iommu_ua_mark_dirty_rm() which does delayed pages dirtying. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2018-12-21 16:20:46 +11:00
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asm	powerpc/vfio/iommu/kvm: Do not pin device memory	2018-12-21 16:20:46 +11:00
uapi/asm	powerpc: generate uapi header and system call table files	2018-12-21 14:46:50 +11:00