nvidia machdep.c patch still useful ?
Matthew Dillon
dillon at apollo.backplane.com
Wed Apr 7 09:05:35 PDT 2004
:My kernel's not quite up-to-date, but the snippet below successfully
:queries and sets %fs.
:
:I'm fairly certain that setting any i386 segment register (except %cs)
:is a non-privileged instruction. Of course, the descriptor must support
:the appropriate access to actually *use* it...
:
Yup, ok. Hmm. Well, 5.x is still restoring %fs so I think for now
we should do the same, especially since fixing %gs seems to have
cleaned up known existing userland problems.
-Matt
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