Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote on 11/10/2009 23:26:27: > > On Sun, 2009-10-11 at 18:35 +0200, Joakim Tjernlund wrote: > > 8xx has not had WRITETHRU due to lack of bits in the pte. > > After the recent rewrite of the 8xx TLB code, there are > > two bits left. Use one of them to WRITETHRU. > > > > Perhaps use the last SW bit to PAGE_SPECIAL or PAGE_FILE? > > _PAGE_FILE can already overwrite other bits as it's only set > when !present, and should pretty much always be 0x2
OK. > > I think I've replaced _PAGE_EXEC with _PAGE_SPECIAL already > upstream since _PAGE_EXEC is unused on 8xx. What is page SPECIAL anyway? _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev