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SubjectRe: [PATCH] Support kernel/hotplug sysctl variable when !CONFIG_NET
On Mon, Jun 07, 2010 at 11:11:45AM -0700, Randy Dunlap wrote:
> On Mon, 7 Jun 2010 10:43:50 -0700 Greg KH wrote:
>
> > On Mon, Jun 07, 2010 at 12:57:12PM +0100, Ian Abbott wrote:
> > > From: Ian Abbott <abbotti@mev.co.uk>
> > >
> > > The kernel/hotplug sysctl variable (/proc/sys/kernel/hotplug file) was
> > > made conditional on CONFIG_NET by commit
> > > f743ca5e10f4145e0b3e6d11b9b46171e16af7ce (applied in 2.6.18) to fix
> > > problems with undefined references in 2.6.16 when CONFIG_HOTPLUG=y &&
> > > !CONFIG_NET, but this restriction is no longer needed.
>
> Ack, builds for me on x86_64 when CONFIG_NET is not enabled.
>
> > Why is this restriction no longer needed? What changed?
>
>
> commit cd3772e6898c6386f21d2958346d6dd57d4204f5
> Author: Ming Lei <tom.leiming@gmail.com>
> Date: Sun Nov 16 18:22:09 2008 +0800
>
> kernel/ksysfs.c:fix dependence on CONFIG_NET
>
> Access to uevent_seqnum and uevent_helper does not need to
> depend on CONFIG_NET, so remove it.
>
> Signed-off-by: Ming Lei <tom.leiming@gmail.com>
> Cc: Kay Sievers <kay.sievers@vrfy.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

So something back in 2008 changed which requires a change now?

I'm still confused, what use case calls for the original patch here
being made? Who wants to modify this option with CONFIG_NET disabled on
their machine?

thanks,

greg k-h


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