linux-kernel - Re: [PATCH][RSDL-mm 0/6] Rotating Staircase DeadLine scheduler for -mm

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Date:	Sat, 10 Mar 2007 22:51:42 +1100
From:	Con Kolivas <kernel@...ivas.org>
To:	linux kernel mailing list <linux-kernel@...r.kernel.org>
Cc:	ck list <ck@....kolivas.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH][RSDL-mm 0/6]  Rotating Staircase DeadLine scheduler for -mm

On Saturday 10 March 2007 18:25, Con Kolivas wrote:
> What follows this email is a series of patches for the RSDL cpu scheduler
> as found in 2.6.21-rc3-mm1. This series is for 2.6.21-rc3-mm2 and has some
> bugfixes for the issues found so far. While it is not clear that I've
> attended to all the bugs, it is worth noting that a complete rewrite is a
> teensy bit more than a trivial change shall we say ;)
>
> akpm it still has trouble on that monster config of yours but there's so
> much else going on in this -mm I don't know what to make of it. getting ppc
> to work on qemu was more work than I thought and I haven't succeeded there
> yet either :|
>
> A rolled up patch can be found here:
> http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2-rsdl.patch
>
> Patch series here:
> http://ck.kolivas.org/patches/staircase-deadline/2.6.21-rc3-mm2/
>
> and the patch series will follow. If time permits I will make available a
> newer version for the older kernels soon.
>
> Changelog:
> - Made it possible for the idle task to schedule on cpu_hotplug.
> - Fixed the accounting across fork()
> - Recalculation of priority for tasks that have already run this major
> rotation and are now on the expired array was wrong. It has been corrected.
> - The bitmap error that has been hit on some architectures was made more
> verbose to make it clear that something has gone wrong, and will keep going
> off if the problem persists.

Oh and if it wasn't clear from this message. It still needs work to be bug 
free and probably shouldn't be part of -mm till I've ironed out all the 
oopsen. Thanks.

-- 
-ck
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