* 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
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