From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4F7AA45B.4030908@domain.hid> Date: Tue, 03 Apr 2012 09:18:51 +0200 From: Philippe Gerum MIME-Version: 1.0 References: <4F7AA402.3040803@domain.hid> In-Reply-To: <4F7AA402.3040803@domain.hid> Content-Type: text/plain; charset="iso-8859-1"; format="flowed" Content-Transfer-Encoding: quoted-printable Subject: Re: [Xenomai-help] Is it compulsory to apply the PREEMPT_RT patch (to Linux) when running Xenomai on the top of it? List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@xenomai.org On 04/03/2012 09:17 AM, Philippe Gerum wrote: > On 04/03/2012 08:56 AM, Anisha Kaul wrote: >> Greetings, >> >>> From "Life with Adeos": >> http://www.xenomai.org/documentation/branches/v2.3.x/pdf/Life-with-Adeos= -rev-B.pdf >> >> >>> Both the real=ADtime nucleus and the Linux kernel should handle the >>> case where a high priority thread is kept from running because a low >>> priority one holds a contended resource> for a possibly unbounded >>> amount of time. Xenomai provides this support, but only the >>> PREEMPT_RT variant does so for the Linux kernel. For this reason, >>> Xenomai keeps an >>> eye and provides support for the current developments of PREEMPT_RT, >>> albeit the mainline kernel still remains the system of reference for >>> now. >> >> >> I don't understand whether the above quote implies that it necessary >> to apply the PREEMPT_RT patch (to Linux) when working with Xenomai on >> Linux? >> Please guide. >> > > No. I mean: this is not implied, and you don't need _RT (actually, to have=20 it, you would need a specific interrupt pipeline patch). > >> -Anisha >> >> _______________________________________________ >> Xenomai-help mailing list >> Xenomai-help@domain.hid >> https://mail.gna.org/listinfo/xenomai-help >> > > --=20 Philippe.