Hybrid scheme for performing translation lookaside buffer (TLB) shootdowns
US12253956B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Nov 7, 2022 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | May 31, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/683
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hybrid scheme is provided for performing translation lookaside buffer (TLB) shootdowns in a computer system whose processing cores support both inter-processor interrupt (IPI) and broadcast TLB invalidate (TLBI) shootdown mechanisms. In one set of embodiments, this hybrid scheme dynamically determines, for each instance where a TLB shootdown is needed, whether to use the IPI mechanism or the broadcast TLBI mechanism to optimize shootdown performance (or otherwise make the TLB shootdown operation functional/practical).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.