Re: Development tree, PLEASE?

[Marc Koschewski]

* Michael Loftis <mloftis@xxxxxxxxx> [2006-01-20 09:07:16 -0700]:

> 
> 
> --On January 20, 2006 4:59:19 PM +0100 Marc Koschewski 
> <marc@xxxxxxxxxxxxxxx> wrote:
> 
> >For my daily work I use the -git kernels on my production machines. And I
> >didn't have probs for a long time due to stuff being tested in -mm. -mm
> >is mostly broken for me (psmouse, now reiserfs, ...) but I tend to say
> >that 2.6 is rock-stable.
> >
> >When it comes to API stability people are encouraged to stay up-to-date
> >when when developing stuff out of the kernel tree, ain't they? A more
> >convenient way would be to create a new in-kernel-tree wrapper module
> >that wraps some functions no longer available anymore and which are
> >possible to be wrapped in the meaning of all needed data is provided to
> >the 'old' method and can be easyily wrapped into the new function.
> >
> >It could a Kconfig option so that the 'wrapper module' is only activated
> >on demand. Thus, having the option to port driver directly to the new API
> >or just silenty use the 'wrapper module' to translate the call while
> >being noisy at compile time.
> >
> >You're free to write the module... ;)
> 
> I know this, but the in-kernel stuff is far less painful than when all this 
> stuff bleeds to userland.  Besides, can you imagine such a beast of a 
> module? :D  I mean yeouch, the maintenance.  And it'd encourage the sort of 
> thing we as kernel developers in general want to discourage, which is the 
> use of deprecated APIs.
> 
> Lots of things still out there depend on devfs.  So now if I want to 
> develop my kmod on recent kernels I have to be in the business of 
> maintaining a lot more userland stuff, like mkinitrd, installers, etc. that 
> have come to rely on devfs.

Moreover, as far as I remember... my devfsd -> udev transsition went as smooth
as a reboot.

Marc
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