Re: KVM and Prempt?

Avi Kivity
2007-10-22T11:51:36Z

Back, Michael (ext) wrote:
>>>
>>>
>> Make sure CONFIG_PREEMPT_NOTIFIER is selected in your .config. You'll
>> have to adjust Kconfig or select the in-tree kvm for that.
>>
>
> Is there a possibility to check, if CONFIG_PREEMPT_NOTIFIER correct selected and compiled in the kernel/modules?
>

The external module code checks CONFIG_PREEMPT_NOTIFIER, and emulates
preempt notifiers if not present in the host kernel. But the preempt
notifier emulation has not been tested with -rt and may be broken there.

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