Messages in this thread | | | Subject | Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule | From | Mike Galbraith <> | Date | Fri, 08 Apr 2016 14:10:21 +0200 |
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On Fri, 2016-04-08 at 12:30 +0200, Sebastian Andrzej Siewior wrote: > On 04/07/2016 09:04 PM, Mike Galbraith wrote: > > > just to be clear: The patch I attached did _not_ work for you. > > > > Sorry, I didn't test. Marathon stress test session convinced me that > > the lock added by -rt absolutely had to die. > > Okay. And the patch did that. I removed the lock.
But also adds when it appears no addition is required. I don't care how it dies though, only that it does.
> I see. So what I don't like are all the exceptions you have: one for > RCU and one kernfs. There might come more in the future. So what I aim > is the removal of the lock.
Yes, those two were bandaids to allow searching for more -rt specific disease (none found). Removing that lock is the cure.
-Mike
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