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How to write into physical memory location where kernel code is loaded.

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yogesh.kumar:
Hi,

I am trying to change the kernel code loaded into the memory while the kernel is running. But it seems that that memory location is non writable. Can anyone help me by telling how can I configure my kernel to make that memory location writable. I tried using /dev/mem but was only able to write in user space. Please help!!

Yogesh

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