linux-kernel - Re: [patch 0/3] Turn CONFIG

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Date:	Thu, 6 Sep 2012 13:28:16 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Chris Zankel <chris@...kel.net>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 0/3] Turn CONFIG_HOTPLUG always on.

On Tue, Sep 04, 2012 at 05:01:05PM -0700, Greg Kroah-Hartman wrote:
> From: Greg KH <gregkh@...uxfoundation.org>
> 
> The CONFIG_HOTPLUG variable is tough to turn off, and almost all arches
> default to it on.
> 
> If you turn it off, it saves you a big 200 or so bytes, and then starts
> to cause all sorts of problems as the code paths if the option is
> disabled is never really tested, and memory segments start to get thrown
> away that driver authors assume will always be present.
> 
> So, as part of trying to get rid of the option entirely, let's just turn
> the option always on.
> 
> Note, to do this properly, I found two duplicate definitions of the
> option, in the Tile and Xtensa arch files, this patch series removes
> those duplicates first.
> 
> Anyone object to me just taking these three patches through my
> driver-core tree for 3.7?  After this set, I'll start unwinding the
> places where CONFIG_HOTPLUG is used and remove the parts that are not
> used anymore now that the option can not be turned off.

Given the lack of objection, I've now queued these up for 3.7 and will
start unwinding the CONFIG_HOTPLUG mess.

thanks,

greg k-h
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