From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 References: <874kjxrkeb.fsf@xenomai.org> <2461fe05.185d.176dd8ca994.Coremail.hailongliiu@yeah.net> In-Reply-To: <2461fe05.185d.176dd8ca994.Coremail.hailongliiu@yeah.net> From: Greg Gallagher Date: Thu, 7 Jan 2021 10:59:22 -0500 Message-ID: Subject: Re: Re: [CXP] some questions about "Common Xenomai Platform" Content-Type: text/plain; charset="UTF-8" List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: hailong Cc: Philippe Gerum , "Xenomai@xenomai.org" On Thu, Jan 7, 2021 at 10:53 AM hailong via Xenomai wrote: > At 2021-01-04 01:38:04, "Philippe Gerum" wrote: > > > >Hailongliu via Xenomai writes: > > > >> Hi, > >> > >> I learned the "Common Xenomai Platform" program from this mail-list and > wiki > >> of project Xenomai. This is a very attractive plan, as it will port > Xenomai for > >> recent LTS kernel(v5.10). > >> > >> I noticed that March 31, 2021 is the deadline for "CXP", dose that > mean we > >> can expect the new features at Xenomai-3.3 ? > > > >Yes, that is the plan. Xenomai 3.3 is going to be the first release > >fully implementing the CXP. Xenomai 4 which is going to use a different > >real-time core will be developed in parallel to Xenomai 3.3, aiming at > >CXP-compliance too. It should be clear that March 31, 2021 is the date > >for completing the CXP specification, not that of any release > >implementing it, which can only happen later by definition. > > > > Will the CXP or Xenomai 4 compatible with RT-patch over time? > In addition, I learned that the legacy RTOS emulators (such as VxWorks) > will be excluded from Xenomai 3.x , neither Xenomai 4? > That is correct, we don't have the resources to continue to support the RTOS emulators. I believe it was left open that if someone wants to take this on as a maintainer they could be included. > >> I also concern about that how long Xenomai-3.3 will be live? And if > there > >> will be a long term version with kernel-v5.10 for Xenomai? > >> > > > >Xenomai will run v5.10 LTS as soon as release 3.2, based on the ongoing > >port of the Cobalt core to Dovetail. > > > >How long a particular Xenomai release is maintained for a particular > >kernel version currently depends on a few individuals and companies > >having a specific requirement to keep such port alive, and contributing > >to this task directly (doing the work) or indirectly (funding someone > >else's work). > > > >Although there is a commitment to run Xenomai 3.x on top of kernel v5.10 > >asap, I'm not aware of any formal commitment of any current contributor > >to maintain this port for a pre-defined period of time. One may only > >assume that by picking a LTS kernel like v5.10, we are likely going to > >maintain it "for some time". > > > > Thanks. Thanks Greg