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MONITOR/MWAIT problem

ntjioe29
Beginner
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Hello,

I am trying to implement MONITOR/MWAIT in Linux user space but I always get Illegal Instructions when I try to run it. Does anyone willing to share their MONITOR/MWAIT implementation?
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Dmitry_Vyukov
Valued Contributor I
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Quoting - ntjioe29
Hello,

I am trying to implement MONITOR/MWAIT in Linux user space but I always get Illegal Instructions when I try to run it. Does anyone willing to share their MONITOR/MWAIT implementation?

From my experience they are usually just prohibited in user-space, like CLI/STI.

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