Re:

[David Olofson <david.olofson@reologica.se>]

Mon, 21 Feb 2000 Mario Teijeiro Otero wrote:
> Hello:
> I'am doing my thesis in based on Rtlinux. I have to map a file on memory to
> that  rtilinux use it. My problem is how pass to rtlinux the memory address.
> Proccess Linux pass to rtlinux the memory address where the file is mapped.
> But, how do Linux convert this memory address to its address space?. 
> I think that get_user must not work because in the register haven't be the
> segment of process linux.

On the contrary, AFAIK, get_user() and relatives are meant to be used by
drivers to convert between user and kernel addresses. This works for any normal
data, so I guess it should work for mapped files as well...


Regards,

//David


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