Messages in this thread | | | Date | Tue, 20 Dec 2005 14:19:56 +0100 | From | Ingo Molnar <> | Subject | Re: Recursion bug in -rt |
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* David Singleton <dsingleton@mvista.com> wrote:
> Dinakar, > after further testing and investigation I believe you original > assessment was correct. > The problem you are seeing is not a library problem. > The changes to down_futex need to be reverted. There is a new patch at > > http://source.mvista.com/~dsingleton/patch-2.6.15-rc5-rt2-rf2. > > that reverts the changes to down_futex.
hm, i'm looking at -rf4 - these changes look fishy:
- _raw_spin_lock(&lock_owner(lock)->task->pi_lock); + if (current != lock_owner(lock)->task) + _raw_spin_lock(&lock_owner(lock)->task->pi_lock);
why is this done?
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