On Fri, Oct 07, 2011 at 01:57:15PM -0700, Josh Triplett wrote: > On Thu, Oct 06, 2011 at 11:49:28PM -0700, Greg KH wrote: > > On Fri, Oct 07, 2011 at 10:33:07AM +0500, G, Manjunath Kondaiah wrote: > > > +config PROBE_DEFER > > > + bool "Deferred Driver Probe" > > > + default y > > > + help > > > + This option provides deferring driver probe if it has dependency on > > > + other driver. Without this feature, initcall ordering should be done > > > + manually to resolve driver dependencies. This feature completely side > > > + steps the issues by allowing driver registration to occur in any > > > + order, and any driver can request to be retried after a few more other > > > + drivers get probed. > > > > Why is this even an option? Why would you ever want it disabled? Why > > does it need to be selected? > > > > If you are going to default something to 'y' then just make it so it > > can't be turned off any other way by just not making it an option at > > all. > > Given that the drivers which use this mechanism will not necessarily get > built into the kernel, I'd suggest that it should remain optional and > default to n. Those drivers can then add a dependency on PROBE_DEFER. > Let's try to avoid adding more infrastructure to the kernel that takes > up space even when unused; certainly embedded will appreciate not having > this feature unless a driver needs it.
How much extra space is this "feature" really? I don't see it being anything larger than the amount of memory increase that just happened as I typed this email as part of the ongoing memory density changes. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
