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Subjectdefault IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems)
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It appears the default IRQ affinity changes from being just cpu 0 to  
all cpu's. This breaks several PPC SMP systems in which only a single
processor is allowed to be selected as the destination of the IRQ.

What is the right answer in fixing this? Should we:

cpumask_t irq_default_affinity = 1;

instead of

cpumask_t irq_default_affinity = CPU_MASK_ALL?

- k


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