Messages in this thread | | | Date | Wed, 14 Nov 2007 21:24:20 -0500 | From | john cooper <> | Subject | Re: rt-preempt: problem compiling rt-preempt 2.6.23.1-rt11 on MIPS |
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Thomas Gleixner wrote:
> I fear you are the one who is in charge to get mips working again :) > But as always, there are bad news and good news: As far as I heard > last week John Cooper is looking into this as well.
I'm not actively working on it but AFAIK I may have been the last one to touch it when I did the mips version back at Timesys. Although I was able to get a functional port of the work there were gremlins I never had sufficient time to address. That is a relatively minor issue.
The more daunting problem stems from limitations in the MIPS ABI which makes the latency trace support problematic. Rather than rehash the issue:
http://lists.linuxcoding.com/kernel/2005-q4/msg10163.html
Until we have a usable instrumentation solution in place, characterization, debug, and support of PREEMPT_RT for MIPS is going to be a challenge.
-john
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