Megalithic Kernel: Difference between revisions
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(New page: {{Template:Kernel designs}} A '''Megalithic Kernel''', or ''Megakernel'', is a kernel designed to only run binaries in kernel mode. This is in contrast to a usual monolithic kernel or mic...) |
(In the case of VMs, we'd basically have a monolithic kernel since that would result in the kernel being in a different address space.) |
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A '''Megalithic Kernel''', or ''Megakernel'', is a kernel designed to only run binaries in kernel mode. This is in contrast to a usual monolithic kernel or microkernel, which are typically designed to handle multiple user-mode processes. Megalithic kernels are simpler in design. They often need not support task switching for processes or virtual memory, and often are just a single monolithic binary, simplifying linking. |
A '''Megalithic Kernel''', or ''Megakernel'', is a kernel designed to only run binaries in kernel mode. This is in contrast to a usual monolithic kernel or microkernel, which are typically designed to handle multiple user-mode processes. Megalithic kernels are simpler in design. They often need not support task switching for processes or virtual memory, and often are just a single monolithic binary, simplifying linking. |
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Megalithic kernels may employ a variety of strategies to get around the perceived limitations of never running a user process. Some megalithic kernels may compile all application code into the kernel, but this is generally not convenient. The kernel would need to be recompiled any time a new application is installed, removed, or otherwise altered |
Megalithic kernels may employ a variety of strategies to get around the perceived limitations of never running a user process. Some megalithic kernels may compile all application code into the kernel, but this is generally not convenient. The kernel would need to be recompiled any time a new application is installed, removed, or otherwise altered. |
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Revision as of 12:55, 1 August 2011
| Kernel Designs |
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| Models |
| Other Concepts |
A Megalithic Kernel, or Megakernel, is a kernel designed to only run binaries in kernel mode. This is in contrast to a usual monolithic kernel or microkernel, which are typically designed to handle multiple user-mode processes. Megalithic kernels are simpler in design. They often need not support task switching for processes or virtual memory, and often are just a single monolithic binary, simplifying linking.
Megalithic kernels may employ a variety of strategies to get around the perceived limitations of never running a user process. Some megalithic kernels may compile all application code into the kernel, but this is generally not convenient. The kernel would need to be recompiled any time a new application is installed, removed, or otherwise altered.