Messages in this thread | | | Subject | Re: 2.6 must-fix list, v2 | From | Steven Cole <> | Date | 14 May 2003 07:08:43 -0600 |
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On Wed, 2003-05-14 at 05:49, Shaheed R. Haque wrote: > Quoting Steven Cole <elenstev@mesatop.com>: > > > Is this related or not to processor shielding used by RedHawk Linux? > > Here is a link to their page: > > > > http://www.ccur.com/realtime/sys_rdhwklnx.html > > > > I saw a presentation by these guys over a year ago. I'm not sure what > > they're up to now. > > Yes, if I correctly read the description of this feature, it seems to be the > same thing. > Thanks, that is what I suspected.
There seemed to be quite a bit of interest in this from the other customers, although our facility doesn't presently need this functionality. In the spirit of the "squeaky wheel", I'll squeak softly for them.
>From the above web page, thus quoth the RedHawk:
"In tightly-coupled symmetric multiprocessing systems such as Concurrent’s iHawk real-time systems, RedHawk Linux allows individual CPUs to be shielded from interrupt processing, daemons, bottom halves, and other Linux tasks. Processor shielding provides a highly deterministic execution environment where interrupt response is guaranteed. RedHawk implements shielding via the industry-accepted shield(1) command."
Steven
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