From: Mike Ji <hji@netscreen.com>
To: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
"'linux-mm@kvack.org'" <linux-mm@kvack.org>
Subject: Thoughts about RTCore and RTLinux
Date: Thu, 4 Mar 2004 08:48:10 -0800 [thread overview]
Message-ID: <017B1BB60535DF4285666089FA048AC2A2E45B@SONOMA.netscreen.com> (raw)
Hi, folks,
I happen to read some white papers related to RTLinux. Below is some of
my personal thoughts/questions.
* RTLinux's so called realtime extension-RTCORE **was* to address the
previous issue--Linux is not realtime supported, for example, fully
kernel-preemptive; posix realtime extension.
* After linux 2.6, I did not see any outstanding reason that people
still need to use a RTLinux **patch** to achieve realtime applications.
I mean, why not just linux itself? Not needed RTCORE anymore.
* From os/kernel viewpoint, it is very hard for me to position RTCORE,
but a realtime patch. I mean, RTCORE is not able to be identified into any
well-known os architecture.
* If there is a very high performance micro-kernel, say, L4 or
QNX/Neutrino, I personally think it is much better than the RTCORE stuff,
which HAVE TO bind a secondary os as running time environment.
Some personal thoughts,
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reply other threads:[~2004-03-04 16:48 UTC|newest]
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