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On Mon, 2002-01-28 at 05:14, Alan Cox wrote: > Suppose vmware decides to switch between running Linux and its virtualised > Windows OS. Can it do this during an interrupt - if so what ensures that > vmware isnt switched to after we have done APM idle calls and slowed the > CPU right down ? > > If so then I suspect vmware should be issuing APM cpu busy calls itself Do you see a difference between VMware and other processes in their susceptibility to this problem? If VMware runs slowly because it gets scheduled in while the CPU is idle and the apm driver fails to busyize the CPU, won't the same thing happen for other processes? If so, then our idle handling is fundamentally broken. If not, then what makes VMware special? - 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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