Kernel substitution method in multi-processor system and multi-p

Details Kernel substitution method in multi-processor system and multi-p Kernel substitution method in multi-processor system and multi-p

1995-05-18

1998-10-20

Elmore, Reba I.

Boots, shoes, and leggings

366138, 36641301, 36641302, 395575, 395650, 395700, G05B 902

Patent

active

058256490

ABSTRACT:
At the time of starting to a kernel substitution, all processes executed on a first process are migrated to a second processor. Thereafter, a new kernel is loaded onto a main memory (substitution memory) set to be in a standby state in advance, and the first processor is rebooted based on the new kernel. Thereby, the new kernel can be applied to only the first processor. Thereafter, the process on the second processor operated based on a previous kernel is migrated to the first processor operated based on the new kernel. Thereafter, the second processor is rebooted based on the new kernel, and the main memory (substitution memory) is accessed, so that the first and second processors are operated based on the new kernel. As a result, a function of the new kernel can be applied to the multi-processor system. Therefore, the kernel can be substituted with a new one without stopping the operation of the system.

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