http://bugs.winehq.org/show_bug.cgi?id=20098
--- Comment #12 from red-ray ray@pobox.co.uk 2009-09-25 06:00:20 --- (In reply to comment #8)
Windows is no different in this regard. See e.g. http://blogs.msdn.com/oldnewthing/archive/2009/09/24/9898728.aspx
Windows is different. On windows, with appropiate access rights, I can run my kernel driver in kernel mode and read the MSRs.