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CONDITIONAL YIELD TO HYPERVISOR INSTRUCTION
CONDITIONAL YIELD TO HYPERVISOR INSTRUCTION
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机译：对HYPERVISOR指令的条件让步
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摘要
An apparatus comprises processing circuitry which has a hypervisor execution mode for execution of a hypervisor for managing one or more virtual processors executing on the processing circuitry, and at least one less privileged execution mode than the hypervisor execution mode. In response to a conditional yield to hypervisor instruction executed in the at least one less privileged execution mode, an instruction decoder controls the processing circuitry to determine whether at least one trap condition is satisfied, and when the at least one trap condition is determined to be satisfied, to switch the processing circuitry to the hypervisor execution mode; and store, in at least one storage element accessible to instructions executed in the hypervisor execution mode, at least one item of scheduling hint information for estimating whether the at least one trap condition is still satisfied.
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