[linux-audio-dev] [ANN] realtime-lsm-0.8.3 beta test

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Subject: [linux-audio-dev] [ANN] realtime-lsm-0.8.3 beta test
From: Jack O'Quin (joq_AT_io.com)
Date: Sun Oct 31 2004 - 04:37:47 EET


The realtime Linux Security Module is an installable kernel module
that enables realtime capabilities for any 2.6 kernel without needing
to directly patch the kernel. It was originally written by Torben
Hohn and Jack O'Quin, who make no warranty concerning the safety,
security or even stability of your system when using it. It is
provided under the provisions of the GPL.

We are preparing a new version of this LSM for inclusion in an
upcoming 2.6.x kernel version. Special thanks to Jody McIntyre and
Chris Wright for many improvements to the LSM, and to Lee Revell for
patiently shepherding it through the kernel patch acceptance process.

No one *needs* to use this new version, the older ones work fine. But
it would help for some of you to download a beta version and try it
out. Two test files are available, use either one. The first is a
tarball[1] for building stand-alone, like previous LSM releases. This
version no longer supports kernels earlier than 2.6.4. The second is
a patch[2] for the current (2.6.10-rc1-mm2) development kernel. This
patch should apply cleanly against any recent kernel since 2.6.9-mm1,
and should work with some earlier ones with a little fiddling.

  [1] http://www.joq.us/realtime/realtime-lsm-0.8.3.tar.gz
  [2] http://www.joq.us/realtime/linux-2.6.10-rc1-mm2-rt2.patch.gz

There are some small changes to the user interface.

  (*) The `allcaps' option is no longer supported. It was an
  unnecessary security exposure to include in standard kernel sources.
  Consequently, you will not be able to use the `jackstart' command
  with this version, unless you are running a recent CVS version of
  JACK (>=0.99.2). There is really no need for `jackstart' with
  realtime-lsm, invoking `jackd' directly works fine.

  (*) Recent kernels (>=2.6.9-mm1) externalize module parameters in
  sysfs. With this feature, realtime-lsm options can be queried and
  set via files in /sys/module/realtime/parameters, each named after
  the corresponding parameter (any, gid, mlock).

Please report directly to me (i.e. mostly off-list) any problems or
successes you have with this version.

Thanks,

-- 
  joq


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