Messages in this thread | | | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable | Date | Sat, 12 Jan 2002 20:21:13 +0000 (GMT) | From | Alan Cox <> |
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> > 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. > > Well, if IRQs are disabled we won't have the timer... would not the > system panic anyhow if schedule() was called while in an interrupt > handler?
You completely misunderstand.
disable_irq(n)
I disable a single specific interrupt, I don't disable the timer interrupt. Your code doesn't seem to handle that. Its just one of the examples of where you really need priority handling, and thats a horrible dark and slippery slope
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