公开(公告)号：US09921968B2

公开(公告)日：2018-03-20

申请号：US15396628

申请日：2016-12-31

Applicant: INTEL CORPORATION

Inventor： Christopher D. Bryant ,  Rama S. Gopal

IPC: G06F12/1036 ,  G06F12/1009

CPC classification number: G06F12/1009 ,  G06F12/084 ,  G06F12/1027 ,  G06F12/1036 ,  G06F2212/1016 ,  G06F2212/60 ,  G06F2212/62 ,  G06F2212/681 ,  G06F2212/684

Abstract: Methods and apparatus are disclosed for using a shared page miss handler device to satisfy page miss requests of a plurality of devices in a multi-core system. One embodiment of such a method comprises receiving one or more page miss requests from one or more respective requesting devices of the plurality of devices in the multi-core system, and arbitrating to identify a first page miss requests of the one or more requesting devices A page table walk is performed to generate a physical address responsive to the first page miss request. Then the physical address is sent to the corresponding requesting device, or a fault is signaled to an operating system for the corresponding requesting device responsive to the first page miss request.

公开(公告)号：US09892059B2

公开(公告)日：2018-02-13

申请号：US15396623

申请日：2016-12-31

Applicant: INTEL CORPORATION

Inventor： Christopher D. Bryant ,  Rama S. Gopal

IPC: G06F12/1036 ,  G06F12/1009 ,  G06F12/084

CPC classification number: G06F12/1009 ,  G06F12/084 ,  G06F12/1027 ,  G06F12/1036 ,  G06F2212/1016 ,  G06F2212/60 ,  G06F2212/62 ,  G06F2212/681 ,  G06F2212/684

Abstract: Methods and apparatus are disclosed for using a shared page miss handler device to satisfy page miss requests of a plurality of devices in a multi-core system. One embodiment of such a method comprises receiving one or more page miss requests from one or more respective requesting devices of the plurality of devices in the multi-core system, and arbitrating to identify a first page miss requests of the one or more requesting devices A page table walk is performed to generate a physical address responsive to the first page miss request. Then the physical address is sent to the corresponding requesting device, or a fault is signaled to an operating system for the corresponding requesting device responsive to the first page miss request.

公开(公告)号：US09892056B2

公开(公告)日：2018-02-13

申请号：US15396626

申请日：2016-12-31

Applicant: INTEL CORPORATION

Inventor： Christopher D. Bryant ,  Rama S. Gopal

IPC: G06F12/1027 ,  G06F12/1009

CPC classification number: G06F12/1009 ,  G06F12/084 ,  G06F12/1027 ,  G06F12/1036 ,  G06F2212/1016 ,  G06F2212/60 ,  G06F2212/62 ,  G06F2212/681 ,  G06F2212/684

Abstract: Methods and apparatus are disclosed for using a shared page miss handler device to satisfy page miss requests of a plurality of devices in a multi-core system. One embodiment of such a method comprises receiving one or more page miss requests from one or more respective requesting devices of the plurality of devices in the multi-core system, and arbitrating to identify a first page miss requests of the one or more requesting devices A page table walk is performed to generate a physical address responsive to the first page miss request. Then the physical address is sent to the corresponding requesting device, or a fault is signaled to an operating system for the corresponding requesting device responsive to the first page miss request.