Re: realtime kernel for Debian

["Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>]

Hi,

>>> I was wondering about how far are we with implementing a RT kernel in 
>>>  Debian... Some progress here? Would be nice.
>>>     
>> The patch I created that "fits" on Debian's vanilla kernel creates
>> conflicts on the sources with the Debian patches.
>> I hope to be able to clean that up by minimizing the -rt series (e.g.
>> the first broken out patch consists usually of various bits from the
>> -tip tree that are (AFAIK) not all needed.)
>>
>> So just have some more patience.
>>
>>   
> How are things going? Just interest...
Hhhm, well, I spottet a problem.  The thing is that linux-rt does many
deep changes in the kernel and I won't be able to support the harder
problems.  And upstream probably won't help because the Debian rt-kernel
isn't a vanilla rt-kernel.  Moreover even the broken out rt-patch isn't
nicely sorted (e.g. bisectable, some patches undo changes of other
patches earier in the series etc. pp), so I fear the Debian kernel team
isn't filled with enthusiasm when asked to add an rt variant.

I already thought about packaging debian-kernel + rt for Debian and
vanilla-kernel + rt for a non-Debian package repository such that it's
easy for bug reporters to try out a vanilla kernel.  But that still needs
more work.

I currently investigate how the Debian kernel packages are created.  Any
help is welcome.  Probably the first step will be to create a vanilla-rt
package, but that wont be accepted to go into Debian main.

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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