Lucas De Marchi <lucas.de.marchi@xxxxxxxxx> writes: > On Tue, Aug 26, 2014 at 9:04 AM, Masami Hiramatsu > <masami.hiramatsu.pt@xxxxxxxxxxx> wrote: >> Hi, >> >> Here is a pair of patches which adds --lockup option to >> modprobe and libkmod. >> >> As I sent a series of patches which removes stop_machine() >> from module removal: https://lkml.org/lkml/2014/8/25/142 >> it also adds lockup option which lock up the module in >> the kernel and makes it un-removable. >> >> These patches enables us to use that option when loading >> modules. Module lockup may be good for BIG SMP machines >> since the kernel skips module refcounting if the module >> is locked up :) >> >> Anyway, this is not needed if the lockup option is dropped >> from the series. I send this for testing. > > Ok. I'm not sure it's clear... I'm waiting for feedback on the kernel > patches in order to proceed with any review here. I'm not really > convinced we want this option when loading a module. > > Rusty, what do you think? I'm not convinced, I asked him to drop that patch. If we have significant performance issues, we'll have to do something smarter I think anyway. Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-modules" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
