Re: mmiotrace bug: recursive probe hit

[Pekka Enberg]

On Sat, Apr 5, 2008 at 10:36 AM, Avi Kivity <avi@xxxxxxxxxxxx> wrote:
> It should not be too difficult to modify x86_emulate.c to do everything
> through a function vector.  However there is a simpler (for you) solution:
> run the driver-to-be-reverse-engineered in a kvm guest, and modify kvm
> userspace to log accesses to mmio regions.  This requires the not-yet-merged
> pci passthrough support.  You can reverse engineer Windows drivers with this
> as well.
>
>  This won't work for kmemcheck smp though.

For kmemcheck, I'd prefer the per-CPU page tables suggested by Ingo.
I'm having hard time understanding why that's a "ugly hack" compared
to using kvm for this...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/