On Tue, 6 May 2014 19:31:36 +0200 Oleg Nesterov <[email protected]> wrote:
> On 05/06, Kirill Tkhai wrote: > > > > User may want to prohibit autoloading of some modules, > > which happens when someone in kernel calls request_module(). > > > > For comparison, udev considers blacklist even if corresponding > > hardware presents in the system. In-kernel request_module() > > functionality is rather similar to udev's, so user may want > > to disallow it too. > > Personally, I am always nervous (perhaps too much) when it comes to the > user-visible changes like this. > > And if a user/distro wants "-b" it can create a simple script which just > execs /sbin/modprobe with "-b" and overwrite /proc/sys/kernel/modprobe. > > OTOH. What if /proc/sys/kernel/modprobe points to a binary which is not > /sbin/modprobe and doesn't expect "-b" ? This can break things. > Yup. Perhaps the kernel should provide modprobe with a reliable way of knowing "you were called by the kernel" (if there isn't presently a way) and let modprobe work out what to do. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
