Re: [PATCH] Linux Kernel Markers

Martin Bligh
2006-09-19T16:42:20Z

Andrew Morton wrote:
> On Tue, 19 Sep 2006 09:04:43 -0700
> Martin Bligh <mbligh@google.com> wrote:
>
>
>>It seems like all we'd need to do
>>is "list all references to function, freeze kernel, update all
>>references, continue"
>
>
> "overwrite first 5 bytes of old function with `jmp new_function'".

Yes, that's simple. but slower, as you have a double jump. Probably
a damned sight faster than int3 though.

M.