Messages in this thread |  | | | Date | Sun, 25 Jul 1999 05:27:55 -0600 | | From | yodaiken@chelm ... | | Subject | Re: real-time threaded IO with low latency (audio) |
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On Sun, Jul 25, 1999 at 01:38:12AM +0200, David Olofson wrote: > Well, what I'm looking for is a way to use RTLinux as a high priority RT > scheduler that can switch to user context in order to execute code while > still in RT context with regard to timing. In that case, Linux can even > be completely frozen! RT tasks would still run, just as is the case with > RTLinux, provided EVERYTHING is really in locked memory.
I've considered doing it but we need to exit the RT context on 1. system call 2. page fault - stacks can cause 'em even after mlockall 3. any other trap or error condition that puts us in K mode.
The methods I've thought of for doing this are unpleasant.
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