On Tue, 2013-04-23 at 19:03 +0800, Gavin Shan wrote: > * of flags if that becomes the case > */ > if (tbl->it_type & TCE_PCI_SWINV_CREATE) > - pnv_tce_invalidate(tbl, tces, tcep - 1); > + phb->dma_tce_invalidate(tbl, tces, tcep - 1); > > return 0; > }
TCE invalidate is very performance sensitive, we might be better off doing the if (ioda_type == PNV_PHB_IODA1) ... else ... here (which the CPU can generally predict) rather than a function pointer call which can be more tricky. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev