On Mon, 2011-12-19 at 14:00 +1100, Benjamin Herrenschmidt wrote: > On Thu, 2011-12-08 at 17:11 +1100, Anton Blanchard wrote: > > Implement a POWER7 optimised copy_to_user/copy_from_user using VMX. > > For large aligned copies this new loop is over 10% faster, and for > > large unaligned copies it is over 200% faster. > > Breaks !CONFIG_ALTIVEC build an pops some WARN's with preempt & lockdep, > this seems to fix them:
And it's missing another ifdef actually for !CONFIG_ALTIVEC, I'll fix it locally and will put a fixed version in -next. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev