Non-unified cache coherency maintenance for virtual machines
An example method of maintaining cache coherency in a virtualized computing system includes: trapping access to a memory page by guest software in a virtual machine at a hypervisor managing the virtual machine, where the memory page is not mapped in a second stage page table managed by the hyperviso...
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| creator | Fainkichen, Alexander Duchesne, Regis Li, Ye Warkentin, Andrei Laplace, Cyprien |
| description | An example method of maintaining cache coherency in a virtualized computing system includes: trapping access to a memory page by guest software in a virtual machine at a hypervisor managing the virtual machine, where the memory page is not mapped in a second stage page table managed by the hypervisor; performing cache coherency maintenance for instruction and data caches of a central processing unit (CPU) in the virtualized computing system in response to the trap; mapping the memory page in the second stage page table with execute permission; and resuming execution of the virtual machine. |
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| language | eng |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Non-unified cache coherency maintenance for virtual machines |
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