Re: [Xenomai-core] [git pull] RTDM fixes and reworks

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>> Jan Kiszka wrote:
>>> Gilles Chanteperdrix wrote:
>>>> Jan Kiszka wrote:
>>>>> The following changes since commit 113ea4d56e8b215cb56ae7673013163ea5a5987d:
>>>>>   Gilles Chanteperdrix (1):
>>>>>         switchtest: increase stack sizes
>>>>>
>>>>> are available in the git repository at:
>>>>>
>>>>>   git://git.xenomai.org/xenomai-jki.git for-upstream
>>>>>
>>>>>
>>>>> This is the first of likely three rounds of patches for 2.5.x. It mostly
>>>>> deals with introducing rtdm_rt_capable to replace the
>>>>> __xn_exec_conforming marks of RTDM syscalls and with deprecating RT
>>>>> open/socket/close for RTDM devices. The latter affects quite a few
>>>>> devices in our tree, so I'm CC'ing the maintainers to check if they see
>>>>> any problems in dropping RT creation/closure at this point.
>>>>>
>>>>> Besides some smaller fixes and an irqbench refactoring, this series also
>>>>> contains a solution for the confusions about incompatible rttest<n>
>>>>> devices. It simply avoids collisions be using different device names for
>>>>> the different device subclasses.
>>>> switchtest already used another solution for that problem: the different
>>>> devices use different ioctls. So, IMO we already had a solution for that
>>>> issue.
>>> Look at the diffstat of switchtest. I wanted to fix the issue for the
>>> rest without replicating code.
>> I would agree with you for patches in xenomai-head. But in that case,
>> this is an ABI breakage.
> 
> It's internal testing stuff.
> 
> If you think anyone out there may have written his own back- or
> front-end, I could make all test devices additionally register under the
> old rttest<n> as well. I just don't think it's worth the effort.

No, the point is anyone out there with a 2.5.0 user-space Xenomai should
be able to run it with Xenomai 2.5.3. So, there should be at least a
Kconfig option to keep the old names.


-- 
					    Gilles.