Invention Grant
- Patent Title: Data cache segregation for spectre mitigation
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Application No.: US15951553Application Date: 2018-04-12
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Publication No.: US10691621B2Publication Date: 2020-06-23
- Inventor: Paul T. Robinson
- Applicant: Sony Interactive Entertainment Inc.
- Applicant Address: JP Tokyo
- Assignee: Sony Interactive Entertainment Inc.
- Current Assignee: Sony Interactive Entertainment Inc.
- Current Assignee Address: JP Tokyo
- Agent John L. Rogitz
- Main IPC: G06F12/14
- IPC: G06F12/14 ; G06F12/0846 ; G06F21/52

Abstract:
The data cache of a processor is segregated by execution mode, eliminating the danger of certain malware by no longer sharing the resource. Kernel-mode software can adjust the relative size of the two portions of the data cache, to dynamically accommodate the data-cache needs of varying workloads.
Public/Granted literature
- US20190317903A1 DATA CACHE SEGREGATION FOR SPECTRE MITIGATION Public/Granted day:2019-10-17
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