[Bug 20098] Wine should, when possible, provide the kernel mode environment for kernel mode drivers

wine-bugs at winehq.org wine-bugs at winehq.org
Fri Sep 25 12:43:38 CDT 2009


http://bugs.winehq.org/show_bug.cgi?id=20098


Juan Lang <juan_lang at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WONTFIX




--- Comment #18 from Juan Lang <juan_lang at yahoo.com>  2009-09-25 12:43:37 ---
(In reply to comment #12)
> Windows is different.  On windows, with appropiate access rights, I can run my
> kernel driver in kernel mode and read the MSRs.

Well, of course you can load a kernel driver in kernel mode in Windows.  My
point isn't that reading an MSR is security sensitive, but that loading any
code in kernel mode is.  Wine isn't any more privileged than any other *nix
program, and can't do it for you.  Loading a kernel driver in kernel mode is
simply impossible for Wine to accomplish.  Only the kernel can.

Emulating reading an MSR is a workaround to loading your driver in kernel mode. 
I hope you can find one that works for you, but loading a kernel driver in
kernel mode isn't it.

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