Re: [PATCH 1/6] genirq: allow assigning affinity to present but not online CPUs

From	Christoph Hellwig <hch@lst.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/6] genirq: allow assigning affinity to present but not online CPUs
Date	2017-02-06 18:10 +0100
Message-ID	<t7UXF-7LS-39@gated-at.bofh.it> (permalink)
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On Mon, Feb 06, 2017 at 12:03:05PM -0500, Keith Busch wrote:
> Can we use the online CPUs and create a new hot-cpu notifier to the nvme
> driver to free/reallocate as needed? We were doing that before blk-mq. Now
> blk-mq can change the number hardware contexts on a live queue, so we
> can reintroduce that behavior to nvme and only allocate what we need.

That could be a next step, but given how badly I keep messing up core
IRQ bits we'll probably want to wait for two rewrites of those bits
from Thomas before moving on :)

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Re: [PATCH 1/6] genirq: allow assigning affinity to present but         not online CPUs Christoph Hellwig <hch@lst.de> - 2017-02-05 17:50 +0100
  Re: [PATCH 1/6] genirq: allow assigning affinity to present but not  online CPUs Keith Busch <keith.busch@intel.com> - 2017-02-06 18:00 +0100
    Re: [PATCH 1/6] genirq: allow assigning affinity to present but         not online CPUs Christoph Hellwig <hch@lst.de> - 2017-02-06 18:10 +0100

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