Messages in this thread | | | Date | Sat, 12 Jan 2002 21:36:12 +0100 | From | Kenneth Johansson <> | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable |
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Alan Cox wrote:
> > > PRE-EMPT: > > > We get back and we've missed 300 packets, the serial port sharing > > > the IRQ has dropped our internet connection completely. > > > > We don't preempt while IRQ are disabled. > > 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. > > Alan
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.
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