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Date: Tue, 20 Nov 2007 02:04:02 +0000
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Gary Hade <garyhade@us.ibm.com>
Cc: Alex Chiang <achiang@hp.com>, Matthew Wilcox <matthew@wil.cx>,
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On Mon, Nov 19, 2007 at 03:32:25PM -0800, Gary Hade wrote:

> Alex, What I was trying to suggest is a boot-time kernel option, 
> not a kernel configuration option.  The basic idea is to give
> the user (with a single binary kernel) the ability to include
> your ACPI-PCI slot driver feature changes only when they are
> really needed.  In addition to reducing the number of
> system/PCI hotplug driver combinations where your changes
> would need to be validated, I believe would also help 
> alleviate other worries (e.g. Andi Kleen's memory consumption
> concern).  I believe this goal could also be achieved with the
> kernel config option by making the pci_slot module runtime
> loadable with the PCI hotplug drivers only visiting your new
> code when the pci_slot driver is loaded, although I think this
> would be more difficult to implement.

If we're compiling something into the kernel, the default behaviour 
should be for the functionality to be turned on unless the user 
overrides it.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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