Messages in this thread | | | Date | Thu, 27 Nov 2014 11:44:50 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [Patch Part3 v4 37/38] x86, irq: Introduce mechanism to support different vector allocation policies |
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On Tue, 25 Nov 2014, Jiang Liu wrote: > Introduce mechanism to support different vector allocation policies, > so platform or user may choose the best suitable CPU vector allocation
I've postponed this and the next patch for 3.20.
> policy. Currently two policies are supported: > 1) allocate CPU vector from cpumask_of_node(dev_to_node(dev)) > 2) allocate from apic->target_cpus(), this is the default policy > > Platform driver may call set_vector_alloc_policy() to choose the > preferred policies. > > This mechanism may be used to support NumaConnect systems to allocate > CPU vectors from device local node.
So these policies are system wide and need to be selected at boot time?
Thanks,
tglx
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