On Tue, Jan 19, 2010 at 12:41:58AM -0700, Sebastian Kuzminsky wrote:
> Is there an official cut-off of support for old kernels in master? 

Not really.  I like the idea that we continue to work on older kernels,
and it's occasionally useful to run emc on an old 6.06 system I have
(master still compiles there, last I checked).

On the other hand, we target a few specific kernels (for 2.4 we'll
target the current 8.04 kernel and whatever ends up on 10.04).  In the
absence of other active maintainers, it's simply not possible to make
sure we're *actually* compatible with a wider range.

Looking at the change in question, I don't know that the payoff for
breaking older kernels is that great.  On the other hand, argv_split()
and argv_free() look pretty simple; if we keep the change I'd sure
consider for inclusion a cut&paste version into rtapi with a suitable
#if KERNEL_VERSION < ... check guarding it, just in case someone
actually cares about those systems.

Does that sufficiently muddy the waters for you?

Jeff

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