[Linux-hls-devel] Some questions about the schedulers...

[Luca A. <luc...@em...>]

Hi all,

I am going to commit some changes that I did to implement the "rt
scheduler" (similar to the default scheduler) discussed in my previous
mail and to clean up the sources a little bit.


While working on this modifications, I found some strange things in the
code, hence I have some questions for John:

1) is HLS_MAXIMUM_PRIORITY a valid RR priority? Looking at the current
implementation of hls_sched_rr:RR_B_CallbackMsg(), it seems that it is
(there is a test "if (m->pri < 1 || m->Pri > HLS_MAXIMUM_PRIORITY)"...),
but if I try to use it, I obtain an oops... Probably I did something
wrong when porting from Windows to Linux? John, if you still have your
old Windows source, can you have a look?

2) in hls_sched_res, the Revoke Callback is implemented as an ASSERT(0).
Since in the past I broke the whole debug & assert mechanism, this
assertion was never triggered, but now that I fixed the debugging stuff
hourglass is triggering the assertion. What's the reason for having
ASSERT(0) in the Revoke Callback? Can I assume that it is just because
it still has to be implemented? In this case, I'll change it in an
hls_printk("FIXME: Implement the revoke callback...").

Ok, that's all for now... I hope to commit my changes in the next days.

			Luca
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