Re: [regression] 3.0-rc boot failure -- bisected to cd4ea6ae3982

From: Ingo Molnar
Date: Wed Jul 20 2011 - 12:43:17 EST

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Wed, Jul 20, 2011 at 7:58 AM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
> >
> > Right, so we can either merge my scary patches now and have 3.0
> > boot on 16+ node machines (and risk breaking something), or delay
> > them until 3.0.1 and have 16+ node machines suffer a little.
> So how much impact does your scary patch have on machines that
> don't have multiple nodes? If it's a "the code isn't even called by
> normal machines" kind of setup, I don't think I care a lot.

NUMA systems will trigger the new code - not just 'weird NUMA
systems' - but i still think we could try the patches, the code looks
straightforward and i booted them on NUMA systems and it all seems
fine so far.

Anyway, i'll push the new sched/urgent branch out in a few minutes
and then you'll see the full patches in the commit notifications.


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