Re: Filesystem lockup with CONFIG_PREEMPT_RT

From: Austin Schuh
Date: Sun Jul 06 2014 - 00:56:10 EST


On Sat, Jul 5, 2014 at 1:26 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> On Mon, 30 Jun 2014, Austin Schuh wrote:
>> I think I might have an answer for my own question, but I would
>> appreciate someone else to double check. If list_empty erroneously
>> returns that there is work to do when there isn't work to do, we wake
>> up an extra worker which then goes back to sleep. Not a big loss. If
>> list_empty erroneously returns that there isn't work to do when there
>> is, this should only be because someone is modifying the work list.
>> When they finish, as far as I can tell, all callers then check to see
>> if a worker needs to be started up, and start one.
>
> Precisely.

A comment there when you put together a polished patch for inclusion
would be awesome. I'm assuming that you will put the patch together?
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