Re: Modules with list

Adam J. Richter (adam@yggdrasil.com)
Wed, 27 Nov 2002 16:25:50 -0800


Rusty Russel wrote:
>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).

Oops! Sorry for misreading your message.

Even though it was not responsive to what you described, I do
hope you see my point about the problem with "rmmod --wait".

Adam J. Richter __ ______________ 575 Oroville Road
adam@yggdrasil.com \ / Milpitas, California 95035
+1 408 309-6081 | g g d r a s i l United States of America
"Free Software For The Rest Of Us."
-
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/