Michael Tsirkin

Person

Westford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Securing virtual machines in computer systems
- Patent number 12,204,925
- Issue date Jan 21, 2025
- Red Hat Israel, Ltd.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory page fault handling for network interface devices in a virtu...
- Patent number 12,197,276
- Issue date Jan 14, 2025
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Managing network interface controller-generated interrupts
- Patent number 12,164,450
- Issue date Dec 10, 2024
- Red Hat Israel, Ltd.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Migration speed-up for multiple virtual machines
- Patent number 12,164,949
- Issue date Dec 10, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fast virtual machine resume at host upgrade
- Patent number 12,124,866
- Issue date Oct 22, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Host address space identifier for non-uniform memory access localit...
- Patent number 12,117,940
- Issue date Oct 15, 2024
- Red Hat, Inc.
- Andrea Arcangeli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory cache-line bounce reduction for pointer ring structures
- Patent number 12,079,133
- Issue date Sep 3, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Exposing untrusted devices to virtual machines
- Patent number 12,020,053
- Issue date Jun 25, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Safe virtual machine physical device access for network function vi...
- Patent number 11,977,493
- Issue date May 7, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hypervisor level signature checks for encrypted trusted execution e...
- Patent number 11,977,631
- Issue date May 7, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reverse order queue updates by virtual devices
- Patent number 11,966,743
- Issue date Apr 23, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure reliable application environments
- Patent number 11,943,337
- Issue date Mar 26, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Indirect interface for virtual machine free page hinting
- Patent number 11,907,115
- Issue date Feb 20, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Split security for trusted execution environments
- Patent number 11,888,972
- Issue date Jan 30, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Privacy preserving introspection for trusted execution environments
- Patent number 11,886,899
- Issue date Jan 30, 2024
- Red Hat, Inc.
- Michael Bursell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure modular devices
- Patent number 11,880,481
- Issue date Jan 23, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Nested virtual machine support for hypervisors of encrypted state v...
- Patent number 11,880,704
- Issue date Jan 23, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Firmware version corruption attack prevention
- Patent number 11,847,227
- Issue date Dec 19, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Support for encrypted memory in nested virtual machines
- Patent number 11,836,517
- Issue date Dec 5, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Providing a captive portal to manage a driver application for a per...
- Patent number 11,822,931
- Issue date Nov 21, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Peripheral component interconnect (PCI) device removal for virtual...
- Patent number 11,822,948
- Issue date Nov 21, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Supervisor-based firmware hardening
- Patent number 11,822,663
- Issue date Nov 21, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Establishing controlled remote access to debug logs
- Patent number 11,822,641
- Issue date Nov 21, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Function pointer protection
- Patent number 11,816,206
- Issue date Nov 14, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Virtual machine memory migration facilitated by persistent memory d...
- Patent number 11,809,888
- Issue date Nov 7, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Establishing secure remote access to debug logs
- Patent number 11,809,576
- Issue date Nov 7, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Virtual bond for efficient networking of virtual machines
- Patent number 11,775,328
- Issue date Oct 3, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automatic retransmission capability in hypervisor
- Patent number 11,765,062
- Issue date Sep 19, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network updates for virtual machine migration
- Patent number 11,748,131
- Issue date Sep 5, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Utilizing virtual input/output memory management units (IOMMU) for...
- Patent number 11,748,135
- Issue date Sep 5, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
RANDOMIZATION-BASED PROTECTION FOR MEMORY DEDUPLICATION
- Publication number 20240402931
- Publication date Dec 5, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TIME-SHIFT SUPPORT FOR ENCRYPTED VIRTUAL MACHINES
- Publication number 20240320023
- Publication date Sep 26, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
QUEUE ADJUSTMENTS TO AVOID MESSAGE UNDERRUN AND USAGE SPIKES
- Publication number 20240281311
- Publication date Aug 22, 2024
- Red Hat, Inc.
- Amnon Ilan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATICALLY GENERATING NEW DATA FOR USE BY AN APPLICATION IN RESP...
- Publication number 20240211292
- Publication date Jun 27, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FUNCTION POINTER PROTECTION
- Publication number 20240045947
- Publication date Feb 8, 2024
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EFFICIENT DISK CACHE MANAGEMENT FOR VIRTUAL MACHINES
- Publication number 20230401078
- Publication date Dec 14, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMPLEMENTING A SERVICE MESH IN THE HYPERVISOR
- Publication number 20230362203
- Publication date Nov 9, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REVERSE VIRTUAL ETHERNET PORT AGGREGATOR BRIDGING FOR SINGLE ROOT I...
- Publication number 20230308345
- Publication date Sep 28, 2023
- Red Hat, Inc.
- Michael Tsirkin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADVANCED ELASTIC LAUNCH FOR TRUSTED EXECUTION ENVIRONMENTS
- Publication number 20230281324
- Publication date Sep 7, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURE RELIABLE APPLICATION ENVIRONMENTS
- Publication number 20230246813
- Publication date Aug 3, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VIRTUAL DEVICE TRANSLATION FOR NESTED VIRTUAL MACHINES
- Publication number 20230185593
- Publication date Jun 15, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURE MODULAR DEVICES
- Publication number 20230145134
- Publication date May 11, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HYPERVISOR LEVEL SIGNATURE CHECKS FOR ENCRYPTED TRUSTED EXECUTION E...
- Publication number 20230039602
- Publication date Feb 9, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST ADDRESS SPACE IDENTIFIER FOR NON-UNIFORM MEMORY ACCESS LOCALIT...
- Publication number 20230035320
- Publication date Feb 2, 2023
- Red Hat, Inc.
- Andrea Arcangeli
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SUPPORT FOR ENCRYPTED MEMORY IN NESTED VIRTUAL MACHINES
- Publication number 20230031775
- Publication date Feb 2, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEMORY BARRIER ELISION FOR MULTI-THREADED WORKLOADS
- Publication number 20230019377
- Publication date Jan 19, 2023
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEMORY PAGE FAULT HANDLING FOR NETWORK INTERFACE DEVICES IN A VIRTU...
- Publication number 20220350694
- Publication date Nov 3, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LATENCY REDUCTION FOR KERNEL SAME PAGE MERGING
- Publication number 20220318149
- Publication date Oct 6, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPOSING UNTRUSTED DEVICES TO VIRTUAL MACHINES
- Publication number 20220308909
- Publication date Sep 29, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LOCATION CHANGE NOTIFICATION HANDLING
- Publication number 20220303215
- Publication date Sep 22, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIBRARY BASED VIRTUAL MACHINE MIGRATION
- Publication number 20220283835
- Publication date Sep 8, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FUNCTION POINTER PROTECTION
- Publication number 20220269775
- Publication date Aug 25, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ZERO COPY MESSAGE RECEPTION FOR APPLICATIONS
- Publication number 20220261272
- Publication date Aug 18, 2022
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EFFICIENT PACKET RE-TRANSMISSION FOR EXPRESS DATA PATHS
- Publication number 20220239767
- Publication date Jul 28, 2022
- Red Hat, Inc.
- Jesper Brouer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIGRATION SPEED-UP FOR MULTIPLE VIRTUAL MACHINES
- Publication number 20220214901
- Publication date Jul 7, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIVE MIGRATION WITH GUARANTEED MAXIMUM MIGRATION DOWNTIMES
- Publication number 20220179684
- Publication date Jun 9, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FIRMWARE VERSION CORRUPTION ATTACK PREVENTION
- Publication number 20220171851
- Publication date Jun 2, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SUPERVISOR-BASED FIRMWARE HARDENING
- Publication number 20220171852
- Publication date Jun 2, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURING VIRTUAL MACHINES IN COMPUTER SYSTEMS
- Publication number 20220156103
- Publication date May 19, 2022
- Red Hat Israel, Ltd.
- Michael TSIRKIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REVERSE ORDER QUEUE UPDATES BY VIRTUAL DEVICES
- Publication number 20220147362
- Publication date May 12, 2022
- Red Hat, Inc.
- Michael Tsirkin
- G06 - COMPUTING CALCULATING COUNTING

Michael Tsirkin

Person

Patents Grantslast 30 patents

Securing virtual machines in computer systems

Memory page fault handling for network interface devices in a virtu...

Managing network interface controller-generated interrupts

Migration speed-up for multiple virtual machines

Fast virtual machine resume at host upgrade

Host address space identifier for non-uniform memory access localit...

Memory cache-line bounce reduction for pointer ring structures

Exposing untrusted devices to virtual machines

Safe virtual machine physical device access for network function vi...

Hypervisor level signature checks for encrypted trusted execution e...

Reverse order queue updates by virtual devices

Secure reliable application environments

Indirect interface for virtual machine free page hinting

Split security for trusted execution environments

Privacy preserving introspection for trusted execution environments

Secure modular devices

Nested virtual machine support for hypervisors of encrypted state v...

Firmware version corruption attack prevention

Support for encrypted memory in nested virtual machines

Providing a captive portal to manage a driver application for a per...

Peripheral component interconnect (PCI) device removal for virtual...

Supervisor-based firmware hardening

Establishing controlled remote access to debug logs

Function pointer protection

Virtual machine memory migration facilitated by persistent memory d...

Establishing secure remote access to debug logs

Virtual bond for efficient networking of virtual machines

Automatic retransmission capability in hypervisor

Network updates for virtual machine migration

Utilizing virtual input/output memory management units (IOMMU) for...

Patents Applicationslast 30 patents

RANDOMIZATION-BASED PROTECTION FOR MEMORY DEDUPLICATION

TIME-SHIFT SUPPORT FOR ENCRYPTED VIRTUAL MACHINES

QUEUE ADJUSTMENTS TO AVOID MESSAGE UNDERRUN AND USAGE SPIKES

AUTOMATICALLY GENERATING NEW DATA FOR USE BY AN APPLICATION IN RESP...

FUNCTION POINTER PROTECTION

EFFICIENT DISK CACHE MANAGEMENT FOR VIRTUAL MACHINES

IMPLEMENTING A SERVICE MESH IN THE HYPERVISOR

REVERSE VIRTUAL ETHERNET PORT AGGREGATOR BRIDGING FOR SINGLE ROOT I...

ADVANCED ELASTIC LAUNCH FOR TRUSTED EXECUTION ENVIRONMENTS

SECURE RELIABLE APPLICATION ENVIRONMENTS

VIRTUAL DEVICE TRANSLATION FOR NESTED VIRTUAL MACHINES

SECURE MODULAR DEVICES

HYPERVISOR LEVEL SIGNATURE CHECKS FOR ENCRYPTED TRUSTED EXECUTION E...

HOST ADDRESS SPACE IDENTIFIER FOR NON-UNIFORM MEMORY ACCESS LOCALIT...

SUPPORT FOR ENCRYPTED MEMORY IN NESTED VIRTUAL MACHINES

MEMORY BARRIER ELISION FOR MULTI-THREADED WORKLOADS

MEMORY PAGE FAULT HANDLING FOR NETWORK INTERFACE DEVICES IN A VIRTU...

LATENCY REDUCTION FOR KERNEL SAME PAGE MERGING

EXPOSING UNTRUSTED DEVICES TO VIRTUAL MACHINES

LOCATION CHANGE NOTIFICATION HANDLING

LIBRARY BASED VIRTUAL MACHINE MIGRATION

FUNCTION POINTER PROTECTION

ZERO COPY MESSAGE RECEPTION FOR APPLICATIONS

EFFICIENT PACKET RE-TRANSMISSION FOR EXPRESS DATA PATHS

MIGRATION SPEED-UP FOR MULTIPLE VIRTUAL MACHINES

LIVE MIGRATION WITH GUARANTEED MAXIMUM MIGRATION DOWNTIMES

FIRMWARE VERSION CORRUPTION ATTACK PREVENTION

SUPERVISOR-BASED FIRMWARE HARDENING

SECURING VIRTUAL MACHINES IN COMPUTER SYSTEMS

REVERSE ORDER QUEUE UPDATES BY VIRTUAL DEVICES