From: "sandeep lahane" <sandeep.lahane@gmail.com>
To: Tzahi Fadida <Tzahi.ML2@gmail.com>
Cc: kernelnewbies@nl.linux.org, Daniel Cheng <gmane@sdiz.net>,
linux-newbie@vger.kernel.org
Subject: Re: Why is Linux not RTOS?
Date: Thu, 5 Apr 2007 15:35:53 +0530 [thread overview]
Message-ID: <2d51cbf80704050305n60bec989wf3e1d1dd046a5d4d@mail.gmail.com> (raw)
In-Reply-To: <200704051236.29847.Tzahi.ML2@gmail.com>
On 4/5/07, Tzahi Fadida <Tzahi.ML2@gmail.com> wrote:
> On Wednesday 04 April 2007 18:21:16 Daniel Cheng wrote:
> > Rick Brown wrote:
> > > Yes, I'm aware that there are quite a lot of different patches /
> > > projects aimed at giving better RTOS behaviour ... but my question was
> > > aimed at vanilla kernel.
> >
> > An OS consider RealTime or not, does not depends on
> > how low the latency is. It depends on how predictable
> > the latency is.
>
> What is this i hear about PREEMT_RT from VirtualLogix:
> http://www.wirelessiq.com/content/newsfeed/9867.html
>
> Perhaps this is what the poster seeks...
>
>
>
> --
> Regards,
> Tzahi.
> --
> Tzahi Fadida
> Blog: http://tzahi.blogsite.org | Home Site: http://tzahi.webhop.info
> WARNING TO SPAMMERS: see at
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> --
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>
I think what virtuallogix is offering is a real time virtualization
software. They have a paravirtualization based approach using which
guest OSes like RTOS or other rich OSes can be run simultaneously on
an embedded platform. These guest OSes can communicate using inter OS
communication mechanisms. They are partitioning resources which can be
partitioned like system RAM and resources like CPU, MMU and interrupt
controller are virtualized since they can't be partitioned. So
basically, what they are doing is almost totally irrelevant with this
question, since they are not trying to make Linux a RTOS, rather they
are making Linux and other guest OSes co-exist with RTOSes
simultaneously. Please CMIIW.
--
Regards,
Sandeep.
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next prev parent reply other threads:[~2007-04-05 10:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 12:21 Why is Linux not RTOS? Rick Brown
2007-04-04 13:00 ` John Anthony Kazos Jr.
2007-04-04 13:05 ` Rick Brown
2007-04-04 15:21 ` Daniel Cheng
2007-04-05 9:36 ` Tzahi Fadida
2007-04-05 10:05 ` sandeep lahane [this message]
2007-04-05 10:11 ` Raseel Bhagat
2007-04-05 10:23 ` sandeep lahane
2007-04-05 13:28 ` Mark Hounschell
2007-04-05 10:07 ` Raseel Bhagat
2007-05-30 0:47 ` Rodrigo Rubira Branco
2007-05-31 1:16 ` K.R. Foley
2007-04-05 7:14 ` Pradeep
2007-04-05 9:01 ` Raseel Bhagat
2007-04-05 9:05 ` Pharaoh .
2007-04-05 11:52 ` Not Initialize the shrinker->list after kmalloc() in mm/vmscan.c(V2.6.12)? qingxiaoming
2007-04-09 5:57 ` Rajat Jain
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