self-modifying code in 2.6 kernel for ppc writes into readonly section

Scott Wood scottwood at freescale.com
Tue Aug 19 08:13:55 EST 2008


Michael Neuling wrote:
>> It seems like no one else is interested in the subject, so i will talk
>> directly to you.
>>
>> If you say that the cpu also seg faults, it means that the problem is
>> in the code of the linux kernel... :)
> 
> Sorry, I was only joking.  The hardware does _not_ segfault.  There is
> no equivalent to segfault in real hardware.

Well, there are machine checks and checkstops... :-)

-Scott



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