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Date: Thu, 27 Nov 2014 11:44:50 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Jiang Liu <jiang.liu@linux.intel.com>
cc: Bjorn Helgaas <bhelgaas@google.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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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