Messages in this thread | | | Date | Fri, 28 Jan 2005 07:38:57 +0100 | From | Ingo Molnar <> | Subject | Re: [patch, 2.6.11-rc2] sched: RLIMIT_RT_CPU_RATIO feature |
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* Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> But the important elements are lost. The standard provides a > deterministic scheduling order, and a deterministic scheduling latency > (of course this doesn't mean a great deal for Linux, but I think we're > good enough for a lot of soft-rt applications now). > > > [1] http://www.opengroup.org/onlinepubs/007908799/xsh/realtime.html
no, the patch does not break POSIX. POSIX compliance means that there is an environment that meets POSIX. Any default install of Linux 'breaks' POSIX in a dozen ways, you have to take a number of steps to get a strict, pristine POSIX environment. The only thing that changes is that now you have to add "set RT_CPU ulimit to 0 or 100" to that (long) list of things.
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