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Date: Wed, 16 Jul 2014 10:07:44 -0400
From: "John W. Linville" <linville@tuxdriver.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
Message-ID: <20140716140744.GD13555@tuxdriver.com>
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Subject: Re: [dpdk-dev] [PATCH] librte_pmd_packet: add PMD for
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On Tue, Jul 15, 2014 at 11:27:45PM +0200, Thomas Monjalon wrote:
> 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.

I can add #ifdef or #if defined() for the newer definitions.  Is there
a minimum kernel version supported today?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.