On Wed, Jan 03, 2018 at 07:21:11AM -0800, Stephen Hemminger wrote: > On Wed, 3 Jan 2018 11:25:53 +0100 > Nelio Laranjeiro <nelio.laranje...@6wind.com> wrote: > > > On Tue, Jan 02, 2018 at 12:53:08PM -0800, Stephen Hemminger wrote: > > > Trying to eliminate all runtime calls to look at kernel version > > > to determine API because they are source of portablity problems > > > in distributions. > > > > > > Stephen Hemminger (2): > > > mlx5: don't pass unused argument to sub-functions > > > mlx5: don't depend on kernel version > > > > > > drivers/net/mlx5/mlx5_ethdev.c | 118 > > > +++++++++++++++++------------------------ > > > 1 file changed, 48 insertions(+), 70 deletions(-) > > > > > > -- > > > 2.15.1 > > > > Hi Stephen, > > > > Thinking about one point, this PMD is able to work on current > > distribution releases using large version of kernels. This code was > > handling two points: > > > > 1. Compiling against a kernel before v4.5 is possible. As this > > situation is supported by MLNX_OFED it should remain. > > > > 2. Between v4.5 up to v4.9 the new link status API is buggee causing a > > wrong status. This was the main reason why the kernel version was > > verified. > > The problem is that enterprise distributions backport without > changing kernel version.
We don't have any guarantee that all patches have been backported, that's the main reason why we use the kernel version. -- Nélio Laranjeiro 6WIND
