Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH] module loader should not complain about unknown symbol | Date | Tue, 13 Nov 2007 15:40:06 +1100 |
| |
On Tuesday 13 November 2007 15:08:35 Peter Teoh wrote: > On Nov 13, 2007 10:52 AM, Rusty Russell <rusty@rustcorp.com.au> wrote: > > On Tuesday 13 November 2007 09:23:12 Rusty Russell wrote: > > > Better might be to put in a waitqueue and wake it up whenever a module > > > is deleted or changes status. Then use_module() can wait if > > > strong_try_module_get() returns -EBUSY (up to 30 seconds, then print a > > > warning and fail). > > Will it ever go into a deadlock (or likewise DOS scenario) if modA dep > on modB, but modB also dep on modA?
No, only if modB requests modA in its init function. And then only for 30 seconds.
modprobe will sort out the A needs B needs A case IIRC.
Cheers, Rusty. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |