From: Thomas Gleixner <tglx@linutronix.de>
To: Christoph Hellwing <hch@lst.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
Sebastian Siewior <bigeasy@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
rt@linutronix.de
Subject: Re: [patch 2/3] blk/mq/cpu-notif: Convert to hotplug state machine
Date: Tue, 20 Sep 2016 01:37:19 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1609200032350.5524@nanos> (raw)
In-Reply-To: <20160919222421.GA7077@lst.de>
On Tue, 20 Sep 2016, Christoph Hellwing wrote:
> On Mon, Sep 19, 2016 at 09:28:20PM -0000, Thomas Gleixner wrote:
> > From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> >
> > 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.
Indeed. I wrote that myself and forgot about it already..... :(
So yes, we can use that and get rid of blk-mq-cpu.c completely.
Thanks,
tglx
next prev parent reply other threads:[~2016-09-19 23:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 21:28 [patch 0/3] block/mq: Convert to the new " Thomas Gleixner
2016-09-19 21:28 ` [patch 1/3] blk/mq: Reserve hotplug states for block multiqueue Thomas Gleixner
2016-09-19 21:28 ` [patch 2/3] blk/mq/cpu-notif: Convert to hotplug state machine Thomas Gleixner
2016-09-19 22:24 ` Christoph Hellwing
2016-09-19 23:37 ` Thomas Gleixner [this message]
2016-09-19 21:28 ` [patch 3/3] blk/mq: " Thomas Gleixner
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