Re: Modules with list

Rusty Russell (rusty@rustcorp.com.au)
Thu, 28 Nov 2002 10:15:57 +1100


In message <200211270722.XAA23313@adam.yggdrasil.com> you write:
> Rusty Russell wrote:
> >In message <200211260649.WAA22216@adam.yggdrasil.com> you write:
> >> >This would only happen if someone says "rmmod --wait".
>
> >As I realized last night after I wrote this, there is a bug in
> >module.c. If O_NONBLOCK is specified, we shouldn't drop the module
> >sempaphore at all, for exactly this reason. A bug I introduced while
> >"cleaning up" the "--wait" path.
>
> >Sorry for the confusion.
>
> Then if you do "rmmod --wait" on some module that is in use,
> every lsmod, insmod and rmmod will hang while attempting to acquire

Sorry, that's why I said "*If O_NONBLOCK* is specified" (ie. still
drop it for the --wait case).

Hope that clarifies,
Rusty.

--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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