From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 1/6] genirq: allow assigning affinity to present but not online CPUs
Date: Mon, 6 Feb 2017 18:03:13 +0100 [thread overview]
Message-ID: <20170206170313.GB31902@lst.de> (raw)
In-Reply-To: <20170206170304.GF24601@localhost.localdomain>
On Mon, Feb 06, 2017@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 :)
next prev parent reply other threads:[~2017-02-06 17:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <t6NbP-2IT-5@gated-at.bofh.it>
[not found] ` <t6NbP-2IT-13@gated-at.bofh.it>
[not found] ` <20170204015809.GA16203@zipoli.ccur.kvm>
2017-02-05 16:40 ` [PATCH 1/6] genirq: allow assigning affinity to present but not online CPUs Christoph Hellwig
2017-02-06 17:03 ` Keith Busch
2017-02-06 17:03 ` Christoph Hellwig [this message]
2017-02-03 14:35 spread MSI(-X) vectors to all possible CPUs Christoph Hellwig
2017-02-03 14:35 ` [PATCH 1/6] genirq: allow assigning affinity to present but not online CPUs Christoph Hellwig
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