On Tue, Oct 09, 2018 at 05:43:59PM +0200, Peter Zijlstra wrote: > On Tue, Oct 09, 2018 at 05:39:27PM +0200, Lukasz Luba wrote: > > This patch add some warning related to performance drop. > > It should be mentioned that this is not for free > > and the platfrom resources (cache, bus interconnect, etc.) > > will be used more frequently. > > To me this reads a bit like: water is wet. > > Is this really needed?
I don't think so -- this is a debug option under "kernel hacking". Surely the perf hit comes with the territory. Will

