linux-kernel - Re: [PATCH 1/1] LinuxPPS: Pulse per Second support for Linux

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Date:	Thu, 10 May 2007 04:51:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	giometti@...eenne.com
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linuxpps@...enneenne.com
Subject: Re: [PATCH 1/1] LinuxPPS: Pulse per Second support for Linux

From: Rodolfo Giometti <giometti@...eenne.com>
Date: Thu, 10 May 2007 13:45:03 +0200

> On Thu, May 10, 2007 at 04:01:52AM -0700, David Miller wrote:
> > 
> > It's not OK, please use the generic netlink interface and as
> > such you will not need to allocate any numbers at all.
> > 
> > Documentation/networking/generic_netlink.txt gives a link
> > to some infomration on this topic.
> 
> If I well understand doing like this means that I have to modify also
> userland API, is that true?

Yes.

> I know that you are forcing in using this new interface for new kernel
> projects, but if I have to change my code I need also change NTPD
> related code and this is frustrating. I have to interact with both
> kernel developers and NTPD ones... :)
>
> It could be acceptable let me use id "20" (or just another number) to
> allow Andrew Morton and other LinuxPPS users to test this new support?
> Please, consider that this is not a new project, it was developed
> since 2005 when this new interface was not available.

Being a 2005 project means only that you've been out of tree for
nearly 2 years.

Sorry, we are not allocating a netlink IDs for folks, and we're doing
it exactly because generic netlink avoids all the fixed numbering API
issues.
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