Re: IOMMU Domain for Dom0

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

> >> I'm looking to enable the NVIDIA CUDA driver/runtime stack to work in
> >> Dom0 on Xen. I've contacted NVIDIA through various capacities and have
> >
> > I've been running the NVIDIA binary driver with 2.6.39 / 3.0 kernel.
> 
> To avoid confusion here, with 2.6.39* I have been able to successfully
..snip..
> However, installing the driver on Dom0/3.0.0-rc5 fails for me. The
> build process executes a configuration test (conftest.sh:1488 after
> extracting the driver sources) to determine the which Makefile to use,
> then fails.
> 
> conftest.sh:1517 in <extracted nvidia sources>/kernel/ removing the
> stdout/stderr redirection:
> 
> <src>/include/linux/rcupdate.h: In function '__kfree_rcu':
> <src>/include/linux/rcupdate.h:822: error: size of array 'type name' is negative
.. snip
> *** Unable to determine the target kernel version. ***
> 
> make: *** [select_makefile] Error 1
> --------------------------------
> 
> This cannot be true as I just built it and booted into it.
> /lib/modules/$(uname -r)/build points to the correct sources. You did
> not encounter this hiccup?

Um, actually I did. I completly failed to notice it as 2.6.39 worked and
under 3.0 the nouveau driver kicked in.

Looks like NVIDIA needs to fix their script to deal with the 3.0 kernels.