just in case a connection already existed.
Also, a minor optimization in the code which determins if a APM BIOS exists.
Reviewed by: phk
This is based on the APM-0.5 patch for Linux, but written entirely by me.
briefly over it, and see some serious architectural issues in this stuff.
On the other hand, I doubt that we will have any solution to these issues
before 2.1, so we might as well leave this in.
Most of the stuff is bracketed by #ifdef's so it shouldn't matter too much
in the normal case.
Reviewed by: phk
Submitted by: HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
I think I have narrowed this down to the stack being overflown. I have
taken the push/pop of %fs out, it shouldn't be needed anyway, but the
real & correct solution might to save the registers on the stack in
locore.s before calling this stuff.
