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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: "John W. Linville" <linville@tuxdriver.com>
Date: Tue, 15 Jul 2014 23:27:45 +0200
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Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] librte_pmd_packet: add PMD for
	AF_PACKET-based	virtual devices
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2014-07-14 09:46, John W. Linville:
> On Sat, Jul 12, 2014 at 12:34:46AM +0200, Thomas Monjalon wrote:
> > 2014-07-11 13:40, John W. Linville:
> > > Is there an example of code in DPDK that requires specific kernel
> > > versions?  What is the preferred method for coding such dependencies?
> > 
> > No there is no userspace code checking kernel version in DPDK.
> > Feel free to use what you think the best method.
> > Please keep in mind that checking version number is a maintenance
> > nightmare
> > because of backports (like RedHat do ;).
> 
> I suppose that it could be a configuration option?

If there is no other way to configure kernel-dependent features, we can add 
options. But I feel that relying on a macro (#ifdef) would be better if such 
macro exist.

-- 
Thomas