Title:
IMPROVED MEMORY-MAPPED INPUT/OUTPUT (MMIO) REGION ACCESS
Document Type and Number:
WIPO Patent Application WO/2019/173937
Kind Code:
A1
Abstract:
A computing apparatus is provided, including: a hardware platform (102); a virtual machine manager (VMM) (104) including a virtual machine control structure (VMCS) (204), wherein the VMM(104) is configured to provision a virtual machine (VM) according to the VMCS (204); a data structure including an extended page table (EPT) (134) for the VM having a translation lookaside buffer (TLB), the TLB including a region having a passthrough region including a direct guest virtual address (GVA) to host physical address (HPA) translations; and logic to lock the passthrough region to prevent the passthrough region from being evicted from the TLB.
Inventors:
ZHOU YU (CN)
NIU BING (CN)
NIU BING (CN)
Application Number:
PCT/CN2018/078684
Publication Date:
September 19, 2019
Filing Date:
March 12, 2018
Export Citation:
Assignee:
INTEL CORP (US)
ZHOU YU (CN)
NIU BING (CN)
ZHOU YU (CN)
NIU BING (CN)
International Classes:
G06F12/10
Foreign References:
US20060161719A1 | 2006-07-20 | |||
CN102567217A | 2012-07-11 | |||
US20160378678A1 | 2016-12-29 | |||
US20120191942A1 | 2012-07-26 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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