linux-kernel - Re: netlink NETLINK_KOBJECT

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Message-ID: <20090429041056.GJ23062@kroah.com>
Date:	Tue, 28 Apr 2009 21:10:56 -0700
From:	Greg KH <greg@...ah.com>
To:	Anil kumar <anils_r@...oo.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: netlink NETLINK_KOBJECT_UEVENT older 2.6 kernels

On Tue, Apr 28, 2009 at 06:32:07PM -0700, Anil kumar wrote:
> 
> Hi,
> 
> I see that we can use NETLINK_KOBJECT_UEVENT to send kernel messages
> to user space. This is available in most of the latest 2.6 kernels.
> But if I pick older kernels like 2.6.9 and NETLINK_KOBJECT_UEVENT is
> not available.
> 
> Is there anything equivalent to NETLINK_KOBJECT_UEVENT for the driver
> to send messages to user space in older 2.6 kernels?

Older like 2.6.9?  Wow, that's _many_ years old, why do you want to add
support for old kernels to something you are developing now?

Older kernels used the /sbin/hotplug interface to send messages to
userspace, you can use that.

good luck, you will need it :)

greg k-h
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