On 06/20/2011 04:14 PM, Michael Thalmeier wrote:
> Hello !
>
> We have a xenomai application that uses mprotect to change write
> protection in order to set and clear breakpoint codes.
> This works quite well (the code invoking mprotect switches to linux,
> but thats ok).
> The problem is that from time to time the realtime task executing code
> in the area changed with mprotect also switches domains to handle a page
> fault.
> Is there some functionality in xenomai to change memory protection not
> using mprotect ?
> Attached you find a short sample that can reproduce this problem.
I am afraid this is platform dependent, on what architecture do you get
this behaviour?
--
Gilles.
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