Re: RT Mutex patch and tester [PREEMPT_RT]

[Steven Rostedt <rostedt@goodmis.org>]

On Wed, 2006-01-18 at 11:31 +0100, Esben Nielsen wrote:
> Hi,
>  I have updated it:
> 
> 1) Now ALL_TASKS_PI is 0 again. Only RT tasks will be added to
> task->pi_waiters. Therefore we avoid taking the owner->pi_lock when the
> waiter isn't RT.
> 2) Merged into 2.6.15-rt6.
> 3) Updated the tester to test the hand over of BKL, which was mentioned
> as a potential issue by Bill Huey. Also added/adjusted the tests for the
> ALL_TASKS_PI==0 setup.
> (I really like unittesting: If someone points out an issue or finds a bug,
> make a test first demonstrating the problem. Then fixing the code is a lot
> easier - especially in this case where I run rt.c in userspace where I can
> easily use gdb.)

Hmm, maybe I'll actually get a chance to finally play with this. I've
discovered issues with the hrtimers earlier, and was too busy helping 
Thomas with them.  That had to take precedence.

;)

-- Steve


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