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Re: [PATCH 4/8] genirq/affinity: assign vectors to all present CPUs

From Sagi Grimberg <sagi@grimberg.me>
Newsgroups linux.kernel
Subject Re: [PATCH 4/8] genirq/affinity: assign vectors to all present CPUs
Date 2017-06-04 17:20 +0200
Message-ID <tOFtT-6QY-5@gated-at.bofh.it> (permalink)
References <tOhUB-81i-5@gated-at.bofh.it> <tOhUB-81i-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03/06/17 17:03, Christoph Hellwig wrote:
> Currently we only assign spread vectors to online CPUs, which ties the
> IRQ mapping to the currently online devices and doesn't deal nicely with
> the fact that CPUs could come and go rapidly due to e.g. power management.
> 
> Instead assign vectors to all present CPUs to avoid this churn.
> 
> For this we have to build a map of all possible CPUs for a give node, as

s/give/given/

Reviewed-by: Sagi Grimberg <sagi@grimberg.me>

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[PATCH 4/8] genirq/affinity: assign vectors to all present CPUs Christoph Hellwig <hch@lst.de> - 2017-06-03 16:10 +0200
  Re: [PATCH 4/8] genirq/affinity: assign vectors to all present CPUs Sagi Grimberg <sagi@grimberg.me> - 2017-06-04 17:20 +0200

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