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From: Dan Williams <dan.j.williams@intel.com>
Date: Mon, 26 Nov 2018 20:50:22 -0800
Message-ID: <CAPcyv4jzLes=Xj-YKSaTtg-suc9T5V0BqQoDb4scpx5m9xG-BA@mail.gmail.com>
Subject: Re: [driver-core PATCH v6 7/9] driver core: Attach devices on CPU
 local to device node
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To: alexander.h.duyck@linux.intel.com
Cc: "Brown, Len" <len.brown@intel.com>, bvanassche@acm.org, Linux-pm mailing list <linux-pm@vger.kernel.org>, Greg KH <gregkh@linuxfoundation.org>, linux-nvdimm <linux-nvdimm@lists.01.org>, jiangshanlai@gmail.com, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Pavel Machek <pavel@ucw.cz>, zwisler@kernel.org, Tejun Heo <tj@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, "Rafael J. Wysocki" <rafael@kernel.org>
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On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
<alexander.h.duyck@linux.intel.com> wrote:
>
> Call the asynchronous probe routines on a CPU local to the device node. By
> doing this we should be able to improve our initialization time
> significantly as we can avoid having to access the device from a remote
> node which may introduce higher latency.
>
> For example, in the case of initializing memory for NVDIMM this can have a
> significant impact as initialing 3TB on remote node can take up to 39
> seconds while initialing it on a local node only takes 23 seconds. It is
> situations like this where we will see the biggest improvement.
>
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>

Looks good,

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
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