The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2014
Filed:
Jan. 01, 2012
Nadav Amit, Haifa, IL;
Shmuel Ben-yehuda, Haifa, IL;
Abel Gordon, Haifa, IL;
Nadav Yosef Har'el, Manof, IL;
Alexander Landau, Karmiel, IL;
Nadav Amit, Haifa, IL;
Shmuel Ben-Yehuda, Haifa, IL;
Abel Gordon, Haifa, IL;
Nadav Yosef Har'El, Manof, IL;
Alexander Landau, Karmiel, IL;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Systems and methods for enhancing the handling of interrupts in a virtual computing environment are disclosed. A CPU is configured such that the CPU, when in a virtual machine (VM) mode, directs an interrupt to a VM. When in the VM context, a guest in the VM is run with a hypervisor interrupt descriptor table (hypervisor IDT) to determine how the interrupt should be handled. The hypervisor IDT directs an interrupt that is to be handled by the VM to an interrupt handler in a guest IDT without causing a transition to the hypervisor. If an interrupt is to be handled by the hypervisor, the hypervisor IDT causes a transition to the hypervisor.