Messages in this thread | | | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable | Date | Sun, 13 Jan 2002 01:30:04 +0000 (GMT) | From | Alan Cox <> |
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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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