Hello Pablo,

On Mon, Apr 27, 2009 at 11:00:51AM -0600, Passera, Pablo R wrote:
> Andrea,
>         We are working with embedded hardware that does not have
>VT-d and we need 1-1 mapping. I wonder which is the status of this
>patch. Have you continued updating it with the latest KVM version?

Sorry to say but it isn't updated to latest KVM and latest
mainline. Porting normally should be easy. I attached last versions.

> Since you mentioned this ;), I take opportunity to add that those
> embedded usages are the ones that are totally fine with the compile
> time passthrough-guest-ram decision, instead of a boot time
> decision. Those host kernels will likely have RT patches (KVM works
> great with preempt-RT indeed) and in turn the compile time ram
> selection is the least of their problems as you can imagine ;). So you
> can see my patch as an embedded-build option, similar to "Configure
> standard kernel features (for small systems)" and no distro is
> shipping new kernels with that feature on either.
> 
> Than if we decide 1:1 should have larger userbase instead of only the
> people that knows what they're doing (i.e. 1:1 guest can destroy
> linux-hypervisor) we can always add a bit of strtol parsing to 16bit
> kernelloader.

Agreed!