linux-kernel - Re: [PATCH] Support kernel/hotplug sysctl variable when !CONFIG

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Date:	Mon, 7 Jun 2010 10:43:50 -0700
From:	Greg KH <gregkh@...e.de>
To:	Ian Abbott <abbotti@....co.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Support kernel/hotplug sysctl variable when !CONFIG_NET

On Mon, Jun 07, 2010 at 12:57:12PM +0100, Ian Abbott wrote:
> From: Ian Abbott <abbotti@....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.

Why is this restriction no longer needed?  What changed?

> This patch makes the kernel/hotplug sysctl variable depend only on
> CONFIG_HOTPLUG.

Why is this needed?  Are you really running without a network and still
want to change the default /sbin/hotplug binary?

confused,

greg k-h
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