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SubjectRe: [2.4.17/18pre] VM and swap - it's really unusable
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> > I must have missed that in the code. I can see you check __cli() status but
> > I didn't see anywhere you check disable_irq(). Even if you did it doesnt
> > help when I mask the irq on the chip rather than using disable_irq() calls.
>
> But you get interrupted by other interrups then so you have the same problem
> reagardless of any preemtion patch you hopefully lose the cpu for a much
> shorter time but still the same problem.

Interrupt paths are well sub millisecond, a pre empt might mean I don't get
the CPU back for measurable chunks of a second. They are totally different
guarantees.
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