Re: [Xenomai-help] Question about rtdm_mmap_to_user()

[Hannes Mayer <h.mayer@domain.hid>]

http://www.captain.at/xenomai-real-time-driver-example.php :-)

Perrine Martignoni wrote:
> Hello,
> 
> I try to allocate a buffer in kernel space (with kmalloc) and then map 
> it into user-space (with rtdm_mmap_to_user).
> After, I fill in the buffer in user space with the address returned by 
> rtdm_mmap_to_user, and when I read it into the kernel space with the 
> kernel address, I don't have the values put in user-space.
> 
> What I'm doing wrong ?
> Have you a simple example of use of rtdm_mmap_to_user ?
> 
> Thanks in advance.
> Best Regards,
> Perrine
> 
> 
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