Re: [PATCH] isolcpus option broken in 2.6.10-rc2-bk2

From: Ingo Molnar
Date: Wed Dec 08 2004 - 04:09:03 EST

* Nick Piggin <piggin@xxxxxxxxxxxxxxx> wrote:

> Actually, this is wrong. And I was wrong to say that the fix was to
> initialize the dummy domain (because its ->flags are 0, there is no
> need for it to have anything else set up).
> The isolated domains don't need to be set up because they correctly
> point to the dummy domain, which is already set up properly (zeroed).
> The oops is just a problem with sched_domain_debug.

(ah ... indeed, good catch. Dimitri's patch ended up working around the
'break' bug in sched_domain_debug() :-| At least this case shows that it
was right to keep SCHED_DOMAIN_DEBUG defined.)

> Andrew and/or Linus, please make sure Dimitri's patch gets reverted
> and the attached one applied before 2.6.10.

Acked-by: Ingo Molnar <mingo@xxxxxxx>

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