On Wed, 2017-03-22 at 04:21:47 UTC, Alexey Kardashevskiy wrote: > This makes mm_iommu_lookup() able to work in realmode by replacing > list_for_each_entry_rcu() (which can do debug stuff which can fail in > real mode) with list_for_each_entry_lockless(). > > This adds realmode version of mm_iommu_ua_to_hpa() which adds > explicit vmalloc'd-to-linear address conversion. > Unlike mm_iommu_ua_to_hpa(), mm_iommu_ua_to_hpa_rm() can fail. > > This changes mm_iommu_preregistered() to receive @mm as in real mode > @current does not always have a correct pointer. > > This adds realmode version of mm_iommu_lookup() which receives @mm > (for the same reason as for mm_iommu_preregistered()) and uses > lockless version of list_for_each_entry_rcu(). > > Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx> > Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/6b5c19c55266f6efd10ffac0e9f9f2 cheers
