Michael Ellerman <m...@ellerman.id.au> writes: > On Sat, 2016-04-09 at 11:43 +0530, Aneesh Kumar K.V wrote: > >> This enables us to share the same page table code for >> both radix and hash. > > To be clear, only 64-bit hash. > > In theory there's no reason we can't *always* mark the page tables as BE, > after > all everything other than the new ppc64le systems are BE. > > But looking at it, that will cause knock-on effects in a few places. So we > won't do it now. But it would be a good clean-up in the medium term I think. > It > would get us back to a single pgtable-types.h. > >> Radix use a hardware defined big endian page table > > So everyone keeps telling me :) > > Where is this specified? I can't find it in the ISA. But I must be searching > for the wrong words.
It is definied by the pte entry format. We don't call it out as Big-endian format. But it is derived from powerpc bit naming convention. The same is true for hash page table entry. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
