Re: [patch V2 0/2] block/mq: Convert to new hotplug state machine

[Christoph Hellwing]

On Tue, Sep 20, 2016 at 09:48:39PM -0600, Jens Axboe wrote:
> On 09/20/2016 09:21 AM, Thomas Gleixner wrote:
>> The following series converts block/mq to the new hotplug state
>> machine. The series is against block.git/for-next and depends on
>>
>>git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git smp/for-block
>>
>> This branch contains the necessary infrastructure for multi-instance
>> callbacks which allows us to remove blk-mq-cpu.c completely. It can be
>> pulled into the block tree.
>
> Thanks, I'll pull this in for 4.9.

I still can't find it in your tree despite other commits today.

Re: [patch 2/3] blk/mq/cpu-notif: Convert to hotplug state machine

[Christoph Hellwing]

On Mon, Sep 19, 2016 at 09:28:20PM -, Thomas Gleixner wrote:
> From: Sebastian Andrzej Siewior 
> 
> Install the callbacks via the state machine so we can phase out the cpu
> hotplug notifiers..

Didn't Sebastian come up with a version of the hotplug state callbacks
that can be per-object?  This seems to be a perfect candidate for that.