On Fri, 22 Jul 2005 11:06:14 +1000, Peter Williams wrote:
> Paul Jackson wrote:
> > Matthew wrote:
> >
> >>I don't see the large ifdefs you're referring to in -mm's
> >>kernel/sched.c.
> >
> >
> > Perhaps someone who knows CKRM better than I can explain why the CKRM
> > version in some SuSE releases based on 2.6.5 kernels has substantial
> > code and some large ifdef's in sched.c, but the CKRM in *-mm doesn't.
> > Or perhaps I'm confused. There's a good chance that this represents
> > ongoing improvements that CKRM is making to reduce their footprint
> > in core kernel code. Or perhaps there is a more sophisticated cpu
> > controller in the SuSE kernel.
>
> As there is NO CKRM cpu controller in 2.6.13-rc3-mm1 (that I can see)
> the one in 2.6.5 is certainly more sophisticated :-). So the reason
> that the considerable mangling of sched.c evident in SuSE's 2.6.5 kernel
> source is not present is that the cpu controller is not included in
> these patches.
Yeah - I don't really consider the current CPU controller code something
ready for consideration yet for mainline merging. That doesn't mean
we don't want a CPU controller for CKRM - just that what we have
doesn't integrate cleanly/nicely with mainline.
> I imagine that the cpu controller is missing from this version of CKRM
> because the bugs introduced to the cpu controller during upgrading from
> 2.6.5 to 2.6.10 version have not yet been resolved.
I don't know what bugs you are referring to here. I don't think we
have any open defects with SuSE on the CPU scheduler in their releases.
And that is not at all related to the reason for not having a CPU
controller in the current patch set.
gerrit
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