Re: 2.6.36/2.6.37: broken compatibility with userspace input-utils?

From: Mark Lord
Date: Wed Jan 26 2011 - 14:28:19 EST


On 11-01-26 02:16 PM, Gerd Hoffmann wrote:
> Hi,
>
>>>> The check should be against concrete version (0x10000 in this case).
>
> Stepping back: what does the version mean?
>
> 0x10000 == 1.0 ?
> 0x10001 == 1.1 ?
>
> Can I expect the interface stay backward compatible if only the minor revision
> changes, i.e. makes it sense to accept 1.x?
>
> Will the major revision ever change? Does it make sense to check the version at
> all?

As already established earlier in this thread,
by Linus Torvalds as well as by myself,
NO!

That whole "version" concept is broken and inappropriate.
Userspace should simply ignore it completely.

Cheers
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