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SubjectRe: [PATCH 2.6.13-rc7 2/2] completely disable cpu_exclusive sched domain
Paul Jackson wrote:
> At the suggestion of Nick Piggin and Dinakar, totally disable
> the facility to allow cpu_exclusive cpusets to define dynamic
> sched domains in Linux 2.6.13, in order to avoid problems
> first reported by John Hawkes (corrupt sched data structures
> and kernel oops).
> This has been built for ppc64, i386, ia64, x86_64, sparc, alpha.
> It has been built, booted and tested for cpuset functionality
> on an SN2 (ia64).
> Dinakar or Nick - could you verify that it for sure does avoid
> the problems Hawkes reported. Hawkes is out of town, and I don't
> have the recipe to reproduce what he found.

Thanks Paul, I was never able to reproduce the problem, but
I'm sure Dinakar should be able to test.

Acked-by: Nick Piggin <>

SUSE Labs, Novell Inc.

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