Ring 0 task

Adam Lackorzynski adam at os.inf.tu-dresden.de
Mon Apr 15 00:47:02 CEST 2013

On Thu Apr 11, 2013 at 20:51:20 +0000, Daniel Waddington - SISA wrote:
> To set up the performance counters I have to configure the event
> select MSRs, thus an application or privileged server needs to execute
> wrmsr.  At the moment I have put back in your trap and emulate code
> (from an earlier version of the kernel)  so that the kernel will
> execute on behalf of the app.  Of course this is a major security
> hole.  It would be nice to allow a trusted process access to them.

Ack. Thx for letting me know.

Adam                 adam at os.inf.tu-dresden.de
  Lackorzynski         http://os.inf.tu-dresden.de/~adam/

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