On 06/21/2011 11:08 AM, Michael Thalmeier wrote:
> Gilles Chanteperdrix <gilles.chanteperdrix <at> xenomai.org> writes:
>
>>
>> On 06/20/2011 04:14 PM, Michael Thalmeier wrote:
>>> Hello !
>>> ...
>>
>> I am afraid this is platform dependent, on what architecture do you get
>> this behaviour?
>>
> I have only tested this behaviour on x86 until now.
> The system runs a kernel 2.6.32.15 with xenomai 2.5.6.
Issue reproduced, and seem specific to x86 (32, the application
segfaults on x86_64).
The answer to the original question is no: we do not provide any service
to do the same thing as mprotect, so, if you want this application to
work, you will have to dig in the kernel mm code and find exactly what
is going on.
--
Gilles.
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