On Sat, 25 May 2002, Keith Whitwell wrote:
>
> Linus, as this constitues a defacto release of code it's probably good to know
> about it when this happens...
>
> It's not a problem, but it does mark a point at which the new interfaces
> become public, and it's happened in a different order than the normally
> circuitous DRI release plan (dri-branch-->dri-trunk-->xfree-->kernel-->
> redhat-->user). Not that that's a bad thing as the card usually eols about
> halfway through that...
Note that the development tree often has new interfaces that change over
time, so people should _not_ feel too bound to be binary compatible. In
fact, just the other day the new "fast mutex" primitives in 2.5.x got
updated to totally different semantics that allowed for much a wider
variety of behaviour.
It's when something gets close to a stable release (either backwards or
forwards) that binary competibility becomes an issue. Exactly like with
XFree86 itself.
But yes, it does add some amount of synchronization points.
Linus
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