linux-kernel - Re: [PATCH 0/2] blk-mq: support physical CPU hotplug

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Message-ID: <0b61848b-a911-9115-524d-60e778f8a300@kernel.dk>
Date:   Fri, 12 Jan 2018 11:02:13 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Ming Lei <ming.lei@...hat.com>, linux-block@...r.kernel.org,
        Christoph Hellwig <hch@...radead.org>
Cc:     Christian Borntraeger <borntraeger@...ibm.com>,
        Stefan Haberland <sth@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] blk-mq: support physical CPU hotplug

On 1/11/18 7:53 PM, Ming Lei wrote:
> Hi,
> 
> This two patches support physical CPU hotplug, so that we can make blk-mq
> scale well when new physical CPU is added or removed, and this use case
> is normal for VM world.
> 
> Also this patchset fixes the following warning reported by Christian
> Borntraeger:
> 
> 	https://marc.info/?l=linux-block&m=151092973417143&w=2
> 
> Christoph Hellwig (2):
>   genirq/affinity: assign vectors to all possible CPUs
>   blk-mq: simplify queue mapping & schedule with each possisble CPU

Applied, thanks Ming.

-- 
Jens Axboe