Messages in this thread | | | Date | Tue, 30 Nov 1999 12:32:22 +0100 | From | Benno Senoner <> | Subject | Re: fbcon + scrolling = irq timeouts? |
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Andi Kleen wrote:
> benno@gardena.net (Benno Senoner) writes: > > > > An update kernel thread could work as well, but it might be more complicated to > > implement this, plus you get async updates instead of sync updates which is not > > really desired. > > > > correct me if I'm wrong. > > Only processes in user mode get preemptive scheduling, so even a kernel > thread won't safe you from inserting the required schedule()s in the kernel > code (except when you go rtlinux) > > -Andi >
Yep, you are right I forgot this completely, that's why Ingo in his low-latency patch shortened the execution paths, and inserted rescheduling hookups. This scheduling remembers me windoze's 3.11 "cooperative" multitasking. :-)
Benno.
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