Re: [PATCH] module loader should not complain about unknown symbol

[Rusty Russell]

On Tuesday 13 November 2007 15:08:35 Peter Teoh wrote:
> On Nov 13, 2007 10:52 AM, Rusty Russell <rusty@xxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/