On Mon, Nov 07, 2016 at 06:30:30PM +0100, Sebastian Andrzej Siewior wrote: > On 2016-11-07 12:19:39 [-0500], Steven Rostedt wrote: > > I agree, but if this creates a boot time regression in large machines, > > it may not be warranted. > > > > I know Linus usually doesn't like options with default y, but this may > > be one of those exceptions. Perhaps we should make it on by default and > > say in the config "if you have a machine with 100s or 1000s of CPUs, > > you may want to disable this". > > The default could change if we know where the limit is. I have access to > a box with approx 140 CPUs so I could check there if it is already bad. > But everything above that / in the 1000 range is a different story. Right; if we can characterize what machines it benefits and what machines it hurts, we can automatically detect and run the appropriate case with no configuration option needed. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
