2014-07-16 10:07, John W. Linville: > 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?
2.6.32 is the minimum version. But it's known to be easily usable since Linux 2.6.34. -- Thomas