On Thu, May 16, 2013 at 6:07 PM, Andi Kleen <a...@linux.intel.com> wrote: >> The difficulty is that we cannot use the shared_regs infrastructure because >> the constraint is quite different. Here we need to say that if a mem event >> uses cnt0 on one thread, then nothing can be using cnt0 on the other thread. >> The current shared_regs infrastructure does not work on the counter level. >> So we need to invent something else. It cannot even be extended. > > Just need a extra reg per counter, that is only triggered with that event. > Yes, it would be per counter and not per-event. But the check has to happen after the assignment and each time we release the counter.
> -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
