linux-kernel - Re: [PATCH] pci: Avoid unnecessary calls to work_on

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Date:	Sat, 06 Jul 2013 10:29:27 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Alexander Duyck <alexander.h.duyck@...el.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH] pci: Avoid unnecessary calls to work_on_cpu

On Fri, 2013-07-05 at 17:36 -0600, Bjorn Helgaas wrote:
> It seems a little strange to me that this "run the driver probe method
> on the correct node" code is in PCI.  I would think this behavior
> would be desirable for *all* bus types, not just PCI, so maybe it
> would make sense to do this up in device_attach() or somewhere
> similar.
> 
> But Rusty added this (in 873392ca51), and he knows way more about this
> stuff than I do.

I tend to agree... I can see this being useful on some of our non-PCI
devices on power as well in fact.

Cheers,
Ben.


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