On Wed, 2017-03-22 at 04:21:48 UTC, Alexey Kardashevskiy wrote: > In real mode, TCE tables are invalidated using special > cache-inhibited store instructions which are not available in > virtual mode > > This defines and implements exchange_rm() callback. This does not > define set_rm/clear_rm/flush_rm callbacks as there is no user for those - > exchange/exchange_rm are only to be used by KVM for VFIO. > > The exchange_rm callback is defined for IODA1/IODA2 powernv platforms. > > This replaces list_for_each_entry_rcu with its lockless version as > from now on pnv_pci_ioda2_tce_invalidate() can be called in > the real mode too. > > Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx> > Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/a540aa56ba3d29084f28710c8b93cc cheers
