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 at tuxdriver.com might be all we have. Be ready.