* Ingo Molnar <[EMAIL PROTECTED]> wrote: > > Quite contrary it makes the system more snappy and the overall test > > latencies go down. > > we can undo that flag - it's indeed only a couple of cycles worth of > optimization, which wont count for most workloads. I've applied your > patch, but we need to do those cleanups and the fact needs to be > documented that !MUTEX_IRQS_OFF is not safe anymore. (most likely this > means that the MUTEX_IRQS_OFF flag and all related changes needs to be > gotten rid of)
your patch gets rid of the flag, but not of all side-effects: e.g. trace_local_irq_enable(ti) only takes a 'ti' parameter for !MUTEX_IRQS_OFF - which does not exist anymore. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/