Messages in this thread | | | Date | Mon, 03 Mar 2008 08:55:30 -0700 | From | "Gregory Haskins" <> | Subject | Re: [(RT RFC) PATCH v2 1/9] allow rt-mutex lock-stealing toincludelateral priority |
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>>> On Mon, Mar 3, 2008 at 10:55 AM, in message <Pine.LNX.4.58.0803031051410.19405@gandalf.stny.rr.com>, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Mon, 3 Mar 2008, Gregory Haskins wrote: > >> >>> On Mon, Mar 3, 2008 at 10:13 AM, in message >> > >> > See the issue. The RT task on CPU0 may experience huge latencies. >> >> Agreed, but equal priority threads can always cause unbounded latencies by > definition. I.e. we only guarantee to the highest thread. > > It should not when they are bounded to two separate CPUs, and are the > highest priority tasks on those CPUS. That will be hard to explain, how a > the highest prio tasks bounded to a single CPU had an unbounded latency. > With the patches presented, this can happen.
Indeed. I see your point. I will make this change in the next revision.
Thanks for the review! -Greg
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