Messages in this thread |  | | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable | From | Robert Love <> | Date | 12 Jan 2002 18:01:10 -0500 |
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On Sat, 2002-01-12 at 15:36, Kenneth Johansson wrote:
> > 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.
Agreed. Further, you can't put _any_ upper bound on the number of interrupts that could occur, preempt or not. Sure, preempt can make it worse, but I don't see it. I have no bug reports to correlate.
Robert Love
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