Re: Taking forward the realtime work

From: Thomas Gleixner
Date: Mon Feb 28 2011 - 15:42:34 EST


On Sat, 26 Feb 2011, Maarten Lankhorst wrote:

> Hi all,
> After digging through the -rt patchset again I wanted to take it forward to
> the current kernel, so far I didn't to get much work done as the code seems to
> be kinda invasive, even with a lot of the things already in mainline. However
> a lot of things in the -rt patch seem to no longer be needed, since softirqs
> are merged, the BKL is gone, and there's a patch set out to make mm
> preemptible.
> I've started testing from the mm-preempt patchset, and it seems to boot, but
> now that I'm actually looking at the -rt patchset diff from v2.6.33.7 it's not
> that trivial to port forward, so I'm looking for help. Blindly trying to apply
> the diff forward 6 versions will not work, so I'm looking at how to add the
> patches in such a way that each change is done in a logical order, in such a
> way preferably that at each point the kernel is bootable. I understand that
> for -rt there will be a few commits for which that won't be possible, but it
> seems to me the amount of work needed to get -rt working isn't as big any more
> as it used to be.
> Note: There's no guarantee I'll be able to pull it off, but there's this itch
> I need to get rid of. ;)

Note: It would be nice to Cc those who are working on it and I can
assure you that there will be an update to -rt in the foreseeable


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