发明名称 |
Deferred assignment of devices in virtual machine migration |
摘要 |
Systems and methods for deferred assignment of devices in virtual machine migration. An example method comprises: starting, by a processing device of a first host computer system, a virtual machine being migrated from a second host computer system in a post-copy migration mode; receiving a request to associate an input/output (I/O) device with the virtual machine; and responsive to receiving, from the second host computer system, one or more memory pages comprised by a memory buffer associated with the I/O device, performing at least one of: associating an identifier of the I/O device with the memory buffer or allowing the virtual machine to access the I/O device. |
申请公布号 |
US9639388(B2) |
申请公布日期 |
2017.05.02 |
申请号 |
US201514870785 |
申请日期 |
2015.09.30 |
申请人 |
Red Hat, Inc. |
发明人 |
Tsirkin Michael;Tweedie Stephen |
分类号 |
G06F9/455;G06F3/06;G06F13/42;G06F13/40 |
主分类号 |
G06F9/455 |
代理机构 |
Lowenstein Sandler LLP |
代理人 |
Lowenstein Sandler LLP |
主权项 |
1. A method, comprising:
starting, by a processing device of a first host computer system, a virtual machine being migrated from a second host computer system in a post-copy migration mode; receiving a request to associate an input/output (I/O) device with the virtual machine; and responsive to receiving, by the processing device, from the second host computer system, one or more memory pages comprised by a memory buffer associated with the I/O device, associating an identifier of the I/O device with the memory buffer. |
地址 |
Raleigh NC US |