From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50F66131.2000903@siemens.com> Date: Wed, 16 Jan 2013 09:13:37 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <50F3F296.5000008@xenomai.org> <3F8DFF0B-6F81-48E1-9D64-83B08DA6A599@mah.priv.at> <50F41136.3070200@xenomai.org> <50F64ED2.7060503@zultron.com> In-Reply-To: <50F64ED2.7060503@zultron.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] universal application binary: how to auto-detect Xenomai/RT-PREEMPT/vanilla kernel List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: John Morris Cc: xenomai@xenomai.org On 2013-01-16 07:55, John Morris wrote: > On 01/14/2013 08:07 AM, Philippe Gerum wrote: >> On 01/14/2013 01:05 PM, Michael Haberler wrote: >>> Is there any chance somebody runs Xenomai AND RT_PREEMPT patches >>> applied? I heard a rumor but havent actually seen that >> >> Yes, this works. The current target is ppc 85xx, but I don't see any >> showstopper for running such combo on other archs, provided the >> I-pipe patch is adapted to a -rt kernel. This requires Xenomai >> 2.6.1+, stock. > > Comparing the xenomai-2.6.2 x86/patches directory and > http://www.kernel.org/pub/linux/kernel/projects/rt, it appears there's a > common kernel version in 3.2.21. > > I'm preparing RPM packages for 3.5 because I assume that's where most > development and bug fixing is going on, and because I hope the work will > be useful beyond the LinuxCNC community. Unfortunately, RT_PREEMPT > seems to skip linux 3.5 entirely, jumping from 3.4 to 3.6. I-pipe also jumps, and now happened to land on 3.5 with its latest fixes and features. When we jump the next time, we should probably pick 3.8 as target for that reason. I may look into this soon. But I'm also considering to backport recent work to 3.4 (for x86 targets at least). Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux