On Fri, 2010-08-06 at 15:56 +1000, Anton Blanchard wrote: > Unfortunately we still need to prevent continual writes to it with a per > thread > flag because on some CPUs a write to the SPR in low priority mode will stall > another SMT thread. So we could get rid of the cpu feature comparison but > we would still need the thread bit check (or perhaps replace it with a per cpu > variable).
remind me why we need to do that runlatch thing on these CPUs at all ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
